JP7705301B2 - Partition device - Google Patents

Description

The present invention relates to a partition device that can divide a space.

In buildings, a light-weight plate with many holes that communicate in the thickness direction, such as a honeycomb plate, is used to separate indoors and outdoors or adjacent spaces within a room, and various devices that use such plates as components are known. For example, Patent Document 1 discloses a soundproof panel that surrounds the perimeter of a construction site to reduce the transmission of noise during construction to the outside world. Patent Document 2 discloses a ventilation panel for door mounting, which is made of a laminate of a honeycomb plate and an insect screen, and each communication hole in the honeycomb plate is covered with a plurality of holes in the insect screen. This also has a structure that communicates air between the indoors and outdoors to ventilate, and allows light to pass through while blocking the view. Patent Document 3 discloses an interior material for buildings in which a honeycomb structure is arranged between a surface material and a back material, and a supply port and an exhaust port are provided to allow air to circulate. Patent Document 4 discloses a partition to prevent droplet infection.

Patent No. 2526133 JP 2008-138476 A JP 2011-226205 A Utility Model Registration No. 3228823

Conventional techniques such as those described in the patent documents above were unable to effectively achieve both lighting, ventilation, and droplet diffusion control.

The objective of this disclosure is to provide a partition device that can effectively combine lighting, ventilation, and droplet diffusion control.

One aspect of the present disclosure is a partition device having at least one partition member, the partition member comprising a plate-shaped main body and a face material disposed on at least one side of the main body, the main body having a plurality of transparent portions penetrating in the thickness direction of the main body, and the face material having a plurality of openings penetrating in the thickness direction of the face material.

The partition member may have a frame body, the frame body being divided into a plurality of compartments, and at least one of the plurality of compartments may be provided with a surface material.

An end member may be disposed on the edge of the transparent portion of the main body. The end member may be made of resin, and the resin may be an adhesive.

The partition device may be provided with multiple partition members.

Of the multiple partition members, at least two partition members may be arranged in opposing positions.

An anti-pathogen agent may be placed in the partition member.

The partition device disclosed herein can effectively achieve both lighting, ventilation, and droplet diffusion control.

FIG. 1 is a perspective view of a partition member 10. FIG. FIG. 2 is a diagram showing a part of the partition member 10. As shown in FIG. FIG. 3 is a diagram showing an example of the shape of the transmitting portion 11a. FIG. 4 is a diagram for explaining an example of the shape of the transmission portion 11a. FIG. 5 is a diagram for explaining an example of the shape of the transmission portion 11a. FIG. 6 is a diagram for explaining the function of the partition member 10. As shown in FIG. FIG. 7 is a diagram illustrating the configuration of a partition member 10'. FIG. 8 is a perspective view of the partition member 20. As shown in FIG. FIG. 9 is an exploded perspective view of the partition member 20. As shown in FIG. FIG. 10 is a front view of the partition member 20. As shown in FIG. FIG. 11 is a diagram illustrating different configurations of the opening 22a. FIG. 12 is a perspective view of the partition member 30. As shown in FIG. FIG. 13 is an exploded perspective view of the partition member 30. As shown in FIG. FIG. 14 is a diagram illustrating the partition device 100. As shown in FIG. FIG. 15 is a diagram illustrating the partition device 110. As shown in FIG. FIG. 16 is a diagram for explaining the bending strength test. FIG. 17 is a diagram for explaining the configuration of the test partition device. FIG. 18 is a diagram for explaining a daylighting test. FIG. 19 is a diagram illustrating the ventilation test. FIG. 20 is a diagram illustrating a droplet diffusion test. FIG. 21 is a diagram illustrating a droplet diffusion test. FIG. 22 is a diagram for explaining a sound test. FIG. 23 is a diagram for explaining a visibility test. FIG. 24 is a diagram for explaining the deformation test method.

The present disclosure will be described below based on an example embodiment. The partition device of the present disclosure is configured with at least one partition member. First, the configuration of the partition member will be described.

1. Partition member Fig. 1 is an external perspective view of a partition member 10 according to one embodiment in an installed position constituting a part of a partition device, the left side of Fig. 2 shows a plan view (as viewed from the Z direction) of a part of the partition member 10 (the part indicated by A in Fig. 1), and the right side of Fig. 2 shows a cross-sectional view taken along the line B-B in Fig. 2.
The partition member 10 of the present disclosure can be installed in buildings, vehicles, structures, etc. to adjust the degree of transparency from a transparent state to a non-transparent state.

1.1. Uses of the Partition Member Here, the partition member 10 constituting the partition device is arranged to partition a space, and adjusts the transmission of light, air, droplets, and sound between one side and the other side of the partition member 10. Therefore, the location where the partition member 10 is arranged is not particularly limited, and examples of the partition member 10 include a partition between the inside and outside of a building, a partition between the inside and outside of a vehicle, a partition within an indoor space such as a partition (partition) arranged between adjacent indoor spaces, a partition within a building or vehicle, a partition for a space installed outdoors (various dedicated booths and multipurpose booths), and a partition in an outdoor space such as a veranda or a fence.
In addition, the locations where partitions and partitions are placed in the above-mentioned buildings, vehicles, spaces installed outdoors, etc., between indoors and outdoors, inside and outside, between adjacent indoor spaces, between adjacent outdoor spaces, etc., can be appropriately placed in any one or more desired locations on the wall, floor, or ceiling surfaces of these buildings, etc., or on the windows or doors, etc.
In addition, examples of buildings are not limited to houses, but include various buildings such as offices, stores, large commercial facilities, educational facilities, educational facilities, hospitals and welfare facilities, and accommodation facilities. On the other hand, examples of vehicles include automobiles, railroad cars, ships, aircraft, and spacecraft.

1.2. Configuration of the partition member In the drawings shown below, for ease of viewing, the components and parts that make up the partition member may be exaggerated, deformed, or omitted. For ease of viewing, only some of the repeated reference symbols may be shown, and reference symbols may be omitted for other parts.
For convenience, the drawings also show the directions of a so-called three-dimensional coordinate system (X, Y, Z) that are mutually orthogonal. In this embodiment, since the description will be given based on the attitude in which the partition member is installed, the X direction is the horizontal direction, the Y direction is the vertical direction, and the Z direction is the thickness direction. Note that each direction in the XY plane may be referred to as the finding direction, and the Z direction as the prospective direction.

As can be seen from Figures 1 and 2, the partition member 10 is a plate-shaped member overall, and has a plate-shaped main body 11, and this main body 11 is provided with a plurality of transparent portions 11a that allow light and air to pass through in the thickness direction (Z direction in the figure).
In this embodiment, the transmitting portion 11a is configured as a hole penetrating the main body 11 in the thickness direction, and this hole is surrounded by a wall 11b which is a part of the main body 11. In this embodiment, the transmitting portions 11a, which are hexagonal in plan view, are closely arranged in the XY plane, forming a so-called honeycomb structure. However, the transmitting portions 11a do not necessarily need to be closely arranged, and it is sufficient that a plurality of the transmitting portions 11a are arranged in the XY plane.

The shape of the transparent portion 11a in plan view does not have to be a hexagon, and may be another geometric shape. Examples of such shapes are shown in FIG. 3. The shape shown in the upper part of FIG. 3 is an example of a square, the shape shown in the center of FIG. 3 is an example of a circle, and the shape shown in the lower part of FIG. 3 is an example of a triangle. However, the shape is not limited to these examples, and for example, the quadrangle may be a rectangle, a rhombus, a parallelogram, etc., and may also be an ellipse, a wave shape, or an irregular geometric shape.

The inner surface properties of the wall 11b that constitutes the transmissive portion 11a can also be set as appropriate. For example, the daylighting efficiency can be improved by increasing the light reflectivity of the inner surface of the wall 11b. Conversely, the light blocking ability can be increased by decreasing the light reflectivity of the inner surface (for example, by making it black). Furthermore, by making the inner surface rough, light can be diffusely reflected, which can reduce visibility on the opposite side or create a unique design.

The material constituting the main body 11 is not particularly limited, and is preferably a material that does not transmit light. Among them, it is preferable that the material is lightweight, and examples of such materials include metals such as aluminum and titanium, alloys such as duralumin containing one or more of these metals, meta-aramid resins (commercially available products include Nomex (a trademark of E.I. du Pon) from E.I. du Pon), polyethylene, polypropylene, polyethylene terephthalate (PET), polyvinyl chloride (PVC), polycarbonate resin, acrylic resin, phenol resin, urea resin, melamine resin, urethane resin, and epoxy resin, and other resins; paper, woven fabric, or nonwoven fabric such as craft paper, cardboard, glass woven fabric (glass cloth), and glass nonwoven fabric; or paper, woven fabric, or nonwoven fabric impregnated with one or more resins, and in the case of a curable resin, the impregnated resin is cured.

Furthermore, in this embodiment, the partition member 10 has end members 12 disposed on the front and back surfaces of the main body 11 (both ends in the thickness direction (Z direction)). An explanatory diagram is shown in FIG. 4. The diagram shown in the upper part of FIG. 4 is a plan view focusing on one transparent portion 11a, the diagram shown in the center of FIG. 4 is a cross-sectional view taken along the arrows C-C in FIG. 4, and the diagram shown in the lower part of FIG. 4 is an enlarged view of the portion indicated by D in FIG. 4.

As can be seen from Fig. 4, in the partition member 10 of this embodiment, the end member 12 is disposed along the portion of the main body 11 that forms the edge of the transmissive portion 11a. This makes it possible to give the partition member 10 a unique appearance. Furthermore, by disposing the end member 12 on the edge of the transmissive portion 11a, it is possible to obtain functions such as protecting the edge and preventing injury caused by touching the edge.
In this embodiment, the end members 12 are disposed on both the front and back surfaces of the main body 11, but this is not limiting and the end members 12 may be disposed on only one of the surfaces.
Furthermore, unlike the present embodiment, when adjacent transparent portions 11a are spaced apart and there is a flat main body portion between adjacent transparent portions 11a, end members 12 may be arranged only on the edges of the transparent portions 11a, or end members 12 may be arranged on the main body 11 of the flat portion in addition to the edges.

The end member 12 may be disposed at least on the edge of the transmitting portion 11a of the main body 11. In addition to the embodiment in which the end member 12 is disposed only on the edge of the transmitting portion 11a, as in this embodiment, the end member 12 may be configured by disposing a material inside the transmitting portion 11a as shown in Fig. 5. Fig. 5 is a view from the same perspective as Fig. 4. The view shown in the upper part of Fig. 5 is a plan view focusing on one transmitting portion 11a, the view shown in the center of Fig. 5 is a cross-sectional view taken along the line G-G of Fig. 5, and the view shown in the lower part of Fig. 5 is an enlarged view of the portion indicated by H in Fig. 5.
In this embodiment, the material is also disposed inside the transmitting portion 11a, so that the material is disposed on the edge of the transmitting portion 11a and constitutes the end member 12. Fig. 5 shows an example in which the material is disposed along the surface of the wall 11b that forms the transmitting portion 11a.

Although there is no particular limitation on the material constituting the end member 12, it is possible to use a resin, such as silicone resin, fluorine resin, polycarbonate resin, polyester resin, acrylic resin, urethane resin, epoxy resin, and melamine resin.
According to this, the resin is applied (dip coating, etc.) to the edge of the transmitting portion 11a in the form of a solution or dispersion, a liquid composition such as a monomer or prepolymer, or a liquid material obtained by heating and melting the resin, and after the application, if the liquid material is a solution or dispersion, the solvent or dispersion medium is dried to solidify (harden) the resin to form the end member 12. If the liquid material is a liquid composition of a monomer or prepolymer, the end member 12 can be formed by solidifying (hardening) the resin through a crosslinking or polymerization reaction caused by heating, exposure to ionizing radiation such as electron beams or ultraviolet rays, moisture, etc. If the liquid material is a liquid material obtained by heating and melting the resin, the end member 12 can be formed by solidifying (hardening) the resin through cooling the melt.

In addition, the resin can be made of an adhesive, which also contributes to bonding with the facing material, as described below. Examples of such adhesives include natural polymer adhesives such as starch and casein, vinyl adhesives such as polyvinyl acetate, acrylic adhesives, polyester adhesives, polyamide adhesives, and thermoplastic resin adhesives such as polyurethane adhesives, and thermosetting resin adhesives such as epoxy resins.

Moreover, it is preferable that the partition member 10 is configured, for example, as follows.
The opening area of each transmitting portion 11a (the area of the opening of one transmitting portion 11a from the viewpoint of the upper view of FIG. 4) is preferably ⁴ mm2 or more and 900 ^mm2 or less. From the viewpoint of daylighting, ventilation, and splash suppression, it is more preferably 40 ^mm2 or more and 700 ^mm2 or less. The opening area of the transmitting portion 11a does not need to be the same in all of the multiple transmitting portions included in the partition member 10, and may be intentionally changed beyond the margin of error (±5%). In this case, for example, the opening area may be changed steplessly or stepwise from one end of the partition member to the other end in a plan view, or the opening area of each transmitting portion 11a may be changed to an extent that makes it feel irregular.

In each of the transmitting portions 11a, when viewed in plan as shown in the upper diagram of Fig. 4, considering the shape of the opening, it is preferable to define the center of gravity G and set the shortest distance L between the opposing sides passing through the center of gravity G to 2 mm or more and 30 mm or less. From the viewpoint of the balance between lighting, ventilation, and suppression of droplet diffusion, the more preferable shortest distance is 6 mm or more and 16 mm or less.
In addition, the shortest distance relative to the longest distance among the distances is preferably 0.1 to 1.0. From the viewpoint of the balance of lighting, ventilation, and suppression of droplet diffusion, the shortest distance relative to the longest distance among the distances is more preferably 0.5 to 1.0.

The depth of the transparent portion 11a (thickness of the partition member 10) indicated by T in FIG. 2 is preferably 3 mm or more and 100 mm or less. From the viewpoint of a balance between lighting, ventilation, and prevention of droplet diffusion, a more preferable depth is 5 mm or more and 20 mm or less.

In addition, the prospective angle indicated by θ in Fig. 4 is preferably 10° or more and 80° or less. This allows for more pronounced control of the field of view on the opposite side of the partition member 10. From the viewpoint of a balance between lighting, ventilation, and suppression of droplet diffusion, a more preferable prospective angle is 25° or more and 70° or less.
Here, the prospective angle θ is defined as follows. First, consider a cross section in the thickness direction corresponding to the diagram shown in the center of Fig. 4 at the shortest distance among the above-mentioned distances L. Next, as shown in the diagram in the center of Fig. 4, a diagonal line is defined so that the Y-direction positions of one end on one side in the Z direction and the other end on the other side are opposite, as shown in the diagram in the center of Fig. 4. Two such lines can be obtained, one that slopes upward to the right and one that slopes downward to the right, and the smaller angle with respect to the line parallel to the Z direction (line parallel to the thickness direction) is defined as the prospective angle θ.

It is preferable that the ratio of the total opening area of the transparent portion to the plan view area of the partition member (length × width, X-direction size × Y-direction size) is 0.70 or more and 0.99 or less. From the viewpoint of the balance between lighting, ventilation, and prevention of droplet diffusion, a more preferable ratio is 0.80 or more and 0.99 or less.

When the arrangement of the transparent portions 11a is regular, the distance between adjacent transparent portions 11a of the same configuration (for example, the pitch indicated by P in FIG. 2) is preferably 4 mm or more and 60 mm or less. From the viewpoint of the balance between lighting, ventilation, and prevention of droplet diffusion, a more preferable distance is 10 mm or more and 40 mm or less.

The partition member 10 described above functions, for example, as follows. An explanatory diagram is shown in FIG. 6. FIG. 6 is similar to the diagram shown on the right side of FIG. 2, and shows a cross section of the partition member 10.

When the partition member 10 is arranged as one of the components of the partition device 100 described later (arranged upright with the Y direction as the vertical direction), the lines of sight from both sides of the partition member 10 (arrows S in Figure 6) are limited to a viewing angle from an angle close to the Z direction, and all other lines of sight are blocked, thereby improving concealment.
As for light, light that is incident at a large angle with respect to the Z direction is blocked, as in the case of the line of sight, but light that is incident at an angle close to parallel to the Z direction is transmitted (arrow L ₁ in FIG. 8), so that light that reaches the back of the space can be selectively taken in, and daylighting can be ensured. Here, if the inner surface of the wall 11b that constitutes the transmitting portion 11a is configured to have light reflectivity, reflected light can also be taken in (arrow L ₂ in FIG. 8), and the amount of incident light can be increased. On the other hand, if the inner surface of the wall 11a that constitutes the transmitting portion 11a is configured not to reflect light, light that is incident at a large angle with respect to the Z direction is blocked, but such light is expected to come from a position where the altitude is high in the summer, for example, and causes the temperature in the indoor space to rise, so it is possible to block this light and increase the cooling efficiency.

In addition, the transparent portion 11a is configured with a hole that penetrates the thickness direction of the main body 11, so breathability can be ensured.

On the other hand, although the partition member 10 is capable of transmitting light and air, the transmission of droplets can be significantly suppressed.
The partition member allows air to pass through, so droplets also pass through, but as a result of intensive research by the inventors, it was found that the partition member of the present disclosure can effectively suppress the transmission of droplets, especially droplets from people generated by conversation, coughing, sneezing, etc., even in a state where air is permeable. Therefore, the partition member of the present disclosure and the partition device including the same can suppress the diffusion of droplets while maintaining light gathering and ventilation. This is thought to be because droplets generated by people are relatively large and move quickly, and such droplets have difficulty passing through the permeable portion of the partition member of the present disclosure.

The partition member 10 may be disposed within a frame separated by frame materials to form a partition member. That is, one or more vertical frames (also called vertical rungs in this case) parallel to a pair of vertical frames (extending in the y direction) may be disposed between a pair of horizontal frames, one or more horizontal frames (also called horizontal rungs in this case) parallel to the vertical frames (extending in the x direction) may be disposed between a pair of horizontal frames, or one or more vertical frames (vertical rungs) and one or more horizontal frames (horizontal rungs) may be disposed between a pair of vertical frames and a pair of horizontal frames, thereby forming a partition structure in a lattice shape when viewed from the z direction.
Figure 7 shows an example of a partition member 10' in which three horizontal rungs 14a are arranged between a pair of vertical frames 13, 13 and a pair of horizontal frames 14, 14, dividing one frame body into four. In such a frame body divided into a lattice shape, a partition member 10 having a structure as shown in Figures 1 to 6 can be installed for each lattice to form a partition member 10'.

In a partition member having such a configuration in which the partition member 10 is installed on a frame body divided into such lattice-like sections, the entire surface of the partition member is divided into a lattice-like shape, and the amount of light, air, and droplets that are blocked can be adjusted individually for each lattice-like section, making it possible to continuously adjust the amount of light, etc. that the partition member blocks.

1.3. Anti-pathogen properties of the partition member In addition to the above configuration, the partition member 10 may have anti-pathogen properties, which can suppress the growth of microorganisms such as bacteria or pathogens such as viruses that are contained in droplets and adhere to the partition member 10.
The area of the partition member 10 that should have such anti-pathogenicity is at least the surface of the area that adheres to or captures droplets that may contain pathogens, i.e.,
(A) The surface of the wall 11b inside the transmission section 11a of the main body 11;
(B) The surface of the main body 11 in a region other than the transmission portion 11a;
(C) Surfaces exposed to the outside of the panel body 22, 32;
Let us assume that.
In order to express antipathogenicity, it is preferable that all of the regions (A), (B), and (C) have antipathogenicity. However, if the partition member 10 can express the minimum antipathogenicity required for the partition member 10, it may be possible to have antipathogenicity in only one or two of the regions (A), (B), and (C).
In order to provide anti-pathogenicity to a specified area of the partition member 10, the anti-pathogenic agent described below can be contained inside the components themselves, such as the main body 11 and the panel main body 22 that constitute the partition member 10, or a layer containing the anti-pathogenic agent described below can be laminated on the surface of these components by coating, laminating, etc.
Here, anti-pathogenicity means the property of reducing the pathogenicity of various pathogens.
In addition, a pathogen refers to a microorganism such as various bacteria, fungi (molds) such as filamentous fungi, various rickettsiae, protozoa (protozoa) such as ameba, or a virus that can induce various diseases in the bodies of humans, livestock, or plants (i.e., has pathogenicity), or a microorganism-like entity (viruses are sometimes classified as living and sometimes as non-living).
Specifically, it means, for example, the property of killing or damaging pathogens, inhibiting their proliferation or growth, or suppressing, through some action, the ability of pathogens such as microorganisms, including bacteria, and viruses, to infect or cause disease.
In particular, depending on the type of pathogen whose pathogenicity is to be reduced, it is called antiviral if it is targeted at viruses, antibacterial if it is targeted at bacteria, and antifungal (or antifungal) if it is targeted at mold.
In this disclosure, "antibacterial" refers to a property that reduces the pathogenicity of either or both of bacteria and fungi (mold). Specifically, it refers to a property that kills or damages either or both of bacteria and fungi, or a property that continuously inhibits the growth and proliferation of either or both of bacteria and fungi, or a property that inhibits the infectious or disease-causing ability of either or both of bacteria and fungi by some action or mechanism. Examples of bacteria include Staphylococcus aureus, Escherichia coli, Salmonella enterica, Pseudomonas aeruginosa, Vibrio cholerae, Shigella dysenteriae, Bacillus anthracis, Mycobacterium tuberculosis, Clostridium botulinum, Clostridium tetanus, and Streptococcus. Examples of fungi (or molds) include Trichophyton, Candida, and Aspergillus.
In the present disclosure, "antiviral" refers to the property of reducing the pathogenicity of a virus. Specifically, it refers to the property of inactivating a virus by denaturing or damaging the proteins that constitute the virus, the viral capsid, or the viral envelope. Examples of viruses include norovirus, influenza virus, adenovirus, coronavirus, measles virus, rubella virus, hepatitis virus, herpes virus, and HIV.
Regarding "anti-pathogen properties," it is difficult to uniformly define the effectiveness of a drug for this purpose, because even the same type of bacteria or other microorganisms or viruses differ depending on the individual type (strength of toxicity, strength of infectivity, etc.), it also depends on the environment such as temperature and humidity, which bacteria or other microorganisms or viruses the product actually inhibits depend on which bacteria or other microorganisms or viruses fly in, and which bacteria or other microorganisms or viruses the product actually inhibits are at the discretion of the user. Therefore, here, "anti-pathogen properties" are represented by viruses, and are evaluated using the anti-viral activity value described below. Then, the type of anti-pathogen material that exhibits effective anti-pathogen properties against a specific pathogen, as well as its content and amount of addition, are selected according to each specific application and the target pathogen.

The partition member 10, which has anti-pathogenic properties, can be endowed with the function of reducing troubles caused by microorganisms such as bacteria and viruses. For this reason, anti-pathogenic properties are imparted to at least a partial area on the surface of the partition member 10 that comes into contact with the outside world. From the viewpoint of expressing anti-pathogenic properties, it is preferable to impart anti-pathogenic properties to the entire area on the surface of the partition member 10 that comes into contact with the outside world.

In order to impart anti-pathogen properties to the surface of the partition member 10 that comes into contact with the outside world, either of the following forms (A) or (B) can be used.

(A) An anti-pathogen agent-containing layer is laminated on at least one area, and preferably the entire area, of the surfaces of the main body 11, end members 12, and other components (e.g., face material, frame, handle, frame, etc.) that are in contact with the outside world and that constitute the partition member 10. The surface of the main body 11 that is in contact with the outside world also includes the surface of the hollow transmission part 11a. In addition, an anti-pathogen agent-containing layer is laminated on the surface of the outermost layer that is in direct contact with the outside world of the other components (which are provided as necessary).

(B) An anti-pathogen agent is contained in at least one region, preferably the entire region, of the main body 11, end member 12, and other components that are provided as necessary that constitute the partition member 10. Since microorganisms such as bacteria and viruses adhere to the surfaces of these components from the outside world, at least a portion of the contained anti-pathogen agent is contained so as to be present on or near the surfaces of these components.

Here, the anti-pathogenic agent means a substance having the above-mentioned anti-pathogenic properties, and means a substance that reduces the pathogenicity of microorganisms such as bacteria or viruses.
In particular, depending on the type of pathogen whose pathogenicity is to be reduced, they are called antiviral agents targeting viruses, antibacterial agents targeting bacteria, antifungal agents (or antifungal agents) targeting mold, etc.
However, in the case of any agent, the degree to which each individual anti-pathogenic agent can reduce the pathogenicity of each pathogen and, if so, the degree of reduction will vary depending on the type of pathogen, environmental conditions, the level of anti-pathogenicity required, etc., as described below, and will also vary depending on the concentration (content) of the anti-pathogenic agent near the outermost surface.
Therefore, for example, even if a certain antiviral agent functions as an antiviral agent for a specific anticipated virus, under specific anticipated environmental conditions, and at an anticipated level of antiviral activity, it does not necessarily function as an antiviral agent for an unanticipated virus, under unanticipated environmental conditions, or at an unanticipated level of antiviral activity.
Conversely, an antiviral agent under a certain assumption may exhibit a pathogenicity-reducing effect on pathogens other than viruses, such as specific bacteria, under certain environmental conditions and at a certain antipathogenicity level. In this case, such an antiviral agent also functions as an antibacterial agent.
The term "antiviral" means that the antiviral activity value A ^AV measured and evaluated by the following method based on the method in accordance with ISO21702 is A ^AV > 0.0. Preferably, A ^AV ≧ 1.0, and more preferably A ^AV ≧ 2.0.

The antiviral activity value is measured in accordance with ISO21702 as follows.
0.4 ml of virus liquid is dropped onto a 5 cm square test piece (antiviral treated product and non-treated product) and covered with a 4 cm square film. The test piece is left to stand at 25°C for 24 hours, after which the virus on the test piece is washed off and collected, and the virus infectivity is measured. The antiviral activity value A ^AV is calculated using the following formula (1).
A ^AV =Ut-At (1)
Here, ^AAV is the antiviral activity value, Ut is the average common logarithm of the viral infectivity (PFU/ ^cm2 ) of untreated products after standing for 24 hours, and At is the average common logarithm of the viral infectivity (PFU/ ^cm2 ) of antiviral treated products after standing for 24 hours.
In addition, the antiviral agent may not neutralize other pathogens such as bacteria and mold after neutralizing the virus. Rather, it is preferable in that it can neutralize all pathogens that may have the potential to manifest pathogenicity. If a specific antiviral agent is also effective in reducing the pathogenicity of bacteria and mold, the specific antiviral agent is also an antibacterial agent and an antifungal agent at the same time.
The antibacterial properties are evaluated in accordance with ISO 22196 (JIS Z 2801).

By adopting the above-mentioned form (A) or (B), it is possible to reduce the number of viruses that reach the surface of the partition member 10 by being captured, attached, or spontaneously penetrating the surface, thereby reducing problems such as virus-induced infections and disease in humans, livestock, and plants. When antibacterial and antifungal properties are simultaneously exhibited at the same time as the antiviral properties are exhibited, it is also possible to use the partition member 10 as an antibacterial partition member 10 and an antifungal partition member 10, etc., and it is possible to neutralize the pathogenicity of multiple types of microorganisms that reach the surface of the partition member 10.

In general, even for articles made of the same material and layer structure, the correlation between the performance of the anti-pathogen properties exhibited for each target pathogen, typically "antiviral," "antibacterial," and "antifungal," may or may not be effective depending on the type of virus, bacteria, or mold targeted, the environmental conditions, the required level of antiviral, antibacterial, or antifungal properties, etc. For this reason, depending on the type of bacteria, the environmental conditions, and the required level of antibacterial properties, it may be possible to apply it not only for antiviral purposes but also for antibacterial purposes. Note that since mold is a type of fungus, the partition member 10 may also be applicable to antifungal purposes depending on the type of mold, the environmental conditions, and the required level of antifungal properties.

The anti-pathogenic agent-containing layer shown in (A) above can be configured as a layer that contains the anti-pathogenic agent throughout the anti-pathogenic agent-containing layer, a layer that contains the anti-pathogenic agent on the surface side of the anti-pathogenic agent-containing layer in both the thickness direction and the in-plane direction, a layer that contains the anti-pathogenic agent on the surface side and back side of the anti-pathogenic agent-containing layer, a layer that contains the anti-pathogenic agent in a partial region in the in-plane direction on the surface side of the anti-pathogenic agent-containing layer, or a layer that contains a viral agent in a partial region on the surface side of the anti-pathogenic agent-containing layer and in a partial region on the back side of the anti-pathogenic agent-containing layer.
In the anti-pathogenic agent-containing layer, the location of the anti-pathogenic agent is not particularly limited. However, from the viewpoint of enhancing the anti-pathogenic property, it is preferable that the anti-pathogenic agent is contained in at least a part of the region near the surface where the anti-pathogenic agent-containing layer is exposed.

In the present specification, the surface where the anti-pathogenic agent-containing layer is exposed refers to the surface where the planar direction of the anti-pathogenic agent-containing layer is exposed, and in the present specification, the vicinity of the surface where the anti-pathogenic agent-containing layer is exposed refers to the region where the anti-pathogenic agent is contained in the thickness direction from the surface where the anti-pathogenic agent is exposed.
That is, when a radioactive compound (antipathogen agent) described later is used as the antipathogen agent, the antipathogen agent can be expressed even in a form in which the antipathogen agent is absent on the surface of the antipathogen agent-containing layer and is present only inside the layer. However, in a form in which other antipathogen agents are used, the part of the antipathogen agent-containing layer that certainly expresses the antipathogen agent is the part where the antipathogen agent is exposed to the outside from the antipathogen agent-containing layer. Therefore, at least one layer of the minimum unit consisting of particles, atoms (including ionized ones), or molecules of the antipathogen agent is sufficient on the surface of the antipathogen agent-containing layer. For example, when the antipathogen agent has atoms or molecules as its minimum unit, it is sufficient to have a monoatomic layer or monomolecular layer, and when the antipathogen agent has particles consisting of a plurality of atoms or molecules as its minimum unit, it is sufficient to have only a monoparticle layer.
However, in reality, when the anti-pathogenic agent is formed in the anti-pathogenic agent-containing layer as a monoatomic layer, monomolecular layer, or monoparticle layer, in addition to the difficulty in manufacturing technology, the anti-pathogenic agent is easily removed or lost due to external forces such as friction, and the anti-pathogenic function is easily lost. In addition, viruses may enter the inside of the anti-pathogenic agent-containing layer through gaps between the anti-pathogenic agent and the binder resin.
Furthermore, the antipathogenic agent may have the property of bleeding from the inside of the antipathogenic agent-containing layer to the surface over time. In such a case, the atoms, molecules, or particles of the antipathogenic agent are configured in two or more layers on the surface of the antipathogenic agent-containing layer, or the antipathogenic agent is configured to be contained from the surface of the antipathogenic agent-containing layer to the inside of the layer, and a part of the antipathogenic agent is exposed from the surface of the antipathogenic agent-containing layer. By configuring in this way, the antipathogenic agent exposed on the surface layer expresses antipathogenic properties, and the antipathogenic agent that has fallen off or disappeared from the surface of the antipathogenic agent-containing layer over time is complemented by the antipathogenic agent that has migrated from the inside, thereby suppressing the decrease in antipathogenic function over time.
Therefore, in reality, the anti-pathogenic agent-containing layer is configured to contain atoms, molecules, or particles of the anti-pathogenic agent distributed from the surface to a depth of a predetermined thickness. Such a region containing atoms, etc. of the anti-pathogenic agent distributed from the surface of the anti-pathogenic agent-containing layer to a depth of a predetermined thickness is referred to as the "surface vicinity where the anti-pathogenic agent-containing layer is exposed."
Therefore, the thickness range of the "surface vicinity" may be appropriately designed depending on the type of anti-pathogenic agent used, the method for forming or manufacturing the anti-pathogenic agent-containing layer in the anti-pathogenic partition member 10, the application of the anti-pathogenic partition device, the durability of the anti-pathogenic agent-containing layer against friction, etc. A typical thickness of the surface vicinity of the anti-pathogenic agent-containing layer is preferably in the range of, for example, 1 μm or more and 5000 μm or less (however, not exceeding the thickness of the anti-pathogenic agent-containing layer), and in the case of normal applications, required durability, and the method for forming or manufacturing the anti-pathogenic agent-containing layer, a range of 3 μm or more and 100 μm or less is more preferable.

The anti-pathogen agent-containing layer must contain an anti-pathogen agent. The anti-pathogen agent-containing layer preferably contains an anti-pathogen agent and a binder resin.

Representative examples of anti-pathogen agents include "anti-pathogen agents carrying or containing metal ions on a carrier,""particles of imidazole compounds,""particles containing a styrene polymer derivative compound and an unsaturated carboxylic acid derivative compound,""copper-based anti-pathogen agents,""zinc-based anti-pathogen agents," and "radioactive compounds."
Hereinafter, the "anti-pathogenic agent comprising or carrying a metal ion on a carrier" may be referred to as "anti-pathogenic agent 1," the "particles of imidazole compound" may be referred to as "anti-pathogenic agent 2," the "particles containing a styrene polymer derivative compound and an unsaturated carboxylic acid derivative compound" may be referred to as "anti-pathogenic agent 3," the "copper-based anti-pathogenic agent" may be referred to as "anti-pathogenic agent 4," the "zinc-based anti-pathogenic agent" may be referred to as "anti-pathogenic agent 5," and the "radioactive compound" may be referred to as "anti-pathogenic agent 6."

From the viewpoint of enhancing the anti-pathogen properties, it is preferable that the anti-pathogen agent is present in at least a portion of the area near the surface where the anti-pathogen agent-containing layer is exposed. By increasing the content of the anti-pathogen agent or adjusting the specific gravity of the anti-pathogen agent and the binder resin, it is possible to easily satisfy the above-mentioned configuration.

Even if the anti-pathogenic agent is embedded in the anti-pathogenic agent-containing layer, the anti-pathogenic property can be expressed by the following action.
For example, the anti-pathogenic property can be expressed by the presence of a substance having anti-pathogenic property on or near the surface of the anti-pathogenic agent-containing layer, such as when an atom, ion, compound molecule, etc. having anti-pathogenic property, such as silver ion, is liberated from the anti-pathogenic agent, or when the anti-pathogenic agent itself bleeds from the inside of the anti-pathogenic agent-containing layer to the surface, etc. In addition, when the anti-pathogenic agent is a radioactive compound, the anti-pathogenic property can be expressed by irradiating the surface of the anti-pathogenic agent-containing layer with virus-killing radiation, such as α-rays or β-rays.
Alternatively, the virus may penetrate (or invade) from the surface of the antipathogenic agent-containing layer to the interior near the surface through a gap at the interface between the antipathogenic agent and the binder resin, a crack in the antipathogenic agent-containing layer itself, a minute gap in a porous structure, etc., and come into contact with the antipathogenic agent inside the antipathogenic agent-containing layer. In such a case, the antipathogenic agent inside the antipathogenic agent-containing layer may exhibit sufficient antipathogenic properties.

The antipathogenic agent 1 is an antipathogenic agent having a carrier carrying or containing a metal ion. The metal ion of the antipathogenic agent 1 is preferably either silver or zinc, and more preferably contains both silver and zinc in order to inhibit discoloration and reduce costs.
Silver has better anti-pathogen properties than zinc, but it is expensive and easily discolors due to oxidation. On the other hand, zinc can suppress discoloration caused by oxidation of silver. Therefore, by including both silver and zinc, discoloration can be suppressed and costs can be reduced.
As the carrier for the anti-pathogenic agent 1, inorganic compounds such as zeolite, apatite, glass, molybdenum, zirconium phosphate and titanium phosphate are preferred, and among them, porous inorganic compounds are preferred.

Zeolite is an aluminosilicate of an alkali metal or an alkaline earth metal, and both natural and synthetic zeolites can be used. Zeolites are classified into A-type, faujasite type (X-type, Y-type), mordenite type, clinoptilolite type, etc., according to their crystal structures, and any of them can be used.
Apatite is a general term for minerals having a composition represented by the following general formula.
M ₁₀ (ZO ₄ ) ₃ X ₂
In the above formula, M represents Ca, Ba, Mg, Na, K, Fe, Al, etc., Z represents P, S, Si, As, etc., and X represents F, Cl, O, _OH , etc. Representative examples that fall into the above formula include fluorapatite " _Ca10 ( _PO4 ) _6F2 " and hydroxyapatite " _Ca10 ( _PO4 ) ₆ (OH) ₂ ".

Examples of glass include soda glass, borosilicate glass, lead glass, aluminosilicate glass, borate glass, and phosphate glass.

The method of supporting or containing metal ions in the carrier may be appropriately selected from known methods, taking into consideration the form and processing conditions of the anti-pathogenic agent-containing layer, the required level of anti-pathogenicity, etc. Here, "containing metal ions" means that metal ions or a substance capable of generating metal ions is held in a carrier in some form. In addition, "substance capable of generating metal ions" means a substance that generates metal ions due to external factors or factors over time, such as a substance that generates metal ions by dissolving in water, etc.
Specific examples of the supported or inclusive form include a method of supporting by physical or chemical adsorption; a method of supporting by an ion exchange reaction; a method of supporting by a binder; a method of inclusion by implanting a silver compound into a support; a method of supporting or inclusion by forming a thin layer of a silver compound on the surface of a support by a thin film formation method such as vapor deposition, dissolution-precipitation reaction, or sputtering; and a method of ion exchanging a metal oxide such as glass at high temperature.

The anti-pathogenic agent 1 is preferably in particulate form.
The shape of the particles of the anti-pathogenic agent 1 is not particularly limited and may be spherical, ellipsoidal, polyhedral, scale-like, or the like.

The average particle size of the anti-pathogenic agent 1 is preferably 0.1 μm or more and 10.0 μm or less, more preferably 0.5 μm or more and 5.0 μm or less, and even more preferably 1.0 μm or more and 4.0 μm or less.
By setting the average particle size to 0.1 μm or more, it becomes easier to obtain stability of the ink containing the anti-pathogenic agent 1. Furthermore, by setting the average particle size to 10.0 μm or less, it becomes easier to suppress poor appearance, deterioration of scratch resistance and stain resistance, and whitening of the coating film, and further, it becomes easier to suppress wear of the members of the coating device (coating roll, doctor blade, etc.).

When the average particle size of the anti-pathogenic agent 1 is defined as D1 and the thickness of the anti-pathogenic agent-containing layer is defined as T, D1/T is preferably 1.0 or less, more preferably 0.7 or less, and even more preferably 0.5 or less.
By making D1/T 1.0 or less, it is possible to easily suppress the decrease in stain resistance and whitening of the coating film, and further to easily suppress the wear of the members of the coating device (coating roll, doctor blade, etc.).

In this specification, the average particle size refers to the mass average value d50 measured in particle size distribution measurement using the laser light diffraction method.

The amount of metal ions in the anti-pathogenic agent 1 is preferably 0.1 parts by mass or more and 30.0 parts by mass or less, more preferably 0.5 parts by mass or more and 25.0 parts by mass or less, and even more preferably 1.0 parts by mass or more and 20.0 parts by mass or less, relative to 100 parts by mass of the carrier. Here, the "amount of metal ions" refers to both the supported metal ions and the contained metal ions.
By setting the amount of metal ions to 0.1 parts by mass or more, it is possible to easily improve the antipathogenic properties, and by setting the amount of metal ions to 30.0 parts by mass or less, it is possible to easily suppress discoloration due to light.

The content of the anti-pathogenic agent 1 is preferably 0.1 parts by mass or more and 20.0 parts by mass or less, more preferably 0.5 parts by mass or more and 17.0 parts by mass or less, and even more preferably 1.0 parts by mass or more and 15.0 parts by mass or less, relative to 100 parts by mass of the binder resin.
By making the content of the anti-pathogenic agent 1 0.1 parts by mass or more, it is possible to easily improve the anti-pathogenic properties.
By setting the content of the anti-pathogenic agent 1 to 20.0 parts by mass or less, discoloration due to light can be easily suppressed. In addition, by setting the content of the anti-pathogenic agent 1 to 20.0 parts by mass or less, deterioration of coating film properties such as coating film strength and scratch resistance can be suppressed. Furthermore, by setting the content of the anti-pathogenic agent 1 to 20.0 parts by mass or less, deterioration of contamination resistance and whitening of the coating film can be easily suppressed, and further, wear of the coating device members (coating roll, doctor blade, etc.) can be easily suppressed.
When the binder resin is a cured product of a curable resin composition, the content of the anti-pathogenic agent 1 is preferably set to be somewhat higher within the above range.

Anti-pathogenic agent 2 is a particle of an imidazole compound.
Usually, the imidazole compound is dissolved in the ink containing the imidazole compound. The reason for this is to diffuse the imidazole compound uniformly in any layer, so that the effect of the imidazole compound is exerted throughout the layer. Therefore, when the imidazole compound is normally used, the imidazole compound does not exist in the form of particles in the anti-pathogen agent-containing layer. That is, the present embodiment is characterized in that the imidazole compound maintains the form of particles.

The imidazole compound is a compound that contains an imidazole skeleton as a structural unit of the molecule. In this embodiment, various imidazole compounds that maintain the particle shape in the anti-pathogenic agent-containing layer can be used. As such an imidazole compound, one that is difficult to dissolve in water and organic solvents is preferable, and examples thereof include methyl benzimidazol-2-ylcarbamate (also known as carbendazim) and polymerized imidazole compounds.
However, care should be taken because even methyl benzimidazol-2-yl carbamate (also known as carbendazim) and polymerized imidazole compounds may dissolve in certain solvents. For example, it is preferable to use methyl ethyl ketone, ethyl acetate, etc. as a solvent for methyl benzimidazol-2-yl carbamate (also known as carbendazim).

The shape of the anti-pathogenic agent 2 is not particularly limited, and examples include a sphere, an ellipsoid, a polyhedron, a scale shape, etc.

The average particle size of the anti-pathogenic agent 2 is preferably 0.1 μm or more and 10.0 μm or less, more preferably 0.2 μm or more and 8.0 μm or less, and even more preferably 0.3 μm or more and 7.0 μm or less.
By setting the average particle size to 0.1 μm or more, it becomes easier to obtain stability of the ink containing the anti-pathogenic agent 2. Furthermore, by setting the average particle size to 10.0 μm or less, it becomes easier to suppress poor appearance, deterioration of scratch resistance and stain resistance, and whitening of the coating film.
The content of the anti-pathogenic agent 2 is preferably 0.5 parts by mass or more and 20.0 parts by mass or less, more preferably 1.0 parts by mass or more and 13.0 parts by mass or less, and even more preferably 3.0 parts by mass or more and 10.0 parts by mass or less, relative to 100 parts by mass of the binder resin.
By setting the content of the anti-pathogenic agent 2 to 0.5 parts by mass or more, it is possible to easily improve the anti-pathogenic properties.
By setting the content of the anti-pathogenic agent 2 to 20.0 parts by mass or less, it is possible to suppress a decrease in the coating film properties such as coating film strength and scratch resistance. Furthermore, by setting the content of the anti-pathogenic agent 2 to 20.0 parts by mass or less, it is possible to easily suppress a decrease in the stain resistance and whitening of the coating film.

The preferred range of the ratio D2/T of the average particle diameter D2 of the anti-pathogen agent 2 to the thickness T of the anti-pathogen agent-containing layer and the preferred effects based thereon are the same as those of the anti-pathogen agent 1.

The anti-pathogen agent 3 is a particle containing a styrene polymer derivative compound and an unsaturated carboxylic acid derivative compound.

In this specification, "particles containing a styrene polymer derivative compound and an unsaturated carboxylic acid derivative compound" may be "particles containing a styrene polymer derivative compound and an unsaturated carboxylic acid derivative compound", or may be "mixed particles of particles containing a styrene polymer derivative compound and particles containing an unsaturated carboxylic acid derivative compound", or may be a combination of these.

The anti-pathogen agent 3 contains a styrene polymer derivative compound and an unsaturated carboxylic acid derivative compound. The components of the styrene polymer derivative compound and the unsaturated carboxylic acid derivative compound preferably have at least one structure selected from the group consisting of styrene, sodium sulfonate, acrylic acid, maleic acid, and fumaric acid, and more preferably have both at least one structure of styrene and sodium sulfonate, and at least one structure selected from the group consisting of acrylic acid, maleic acid, and fumaric acid.

The content ratio of the styrene polymer derivative compound and the unsaturated carboxylic acid derivative compound in the anti-pathogenic agent 3 is not limited, but the mass ratio is preferably 30:70 to 70:30, and more preferably 40:60 to 60:40.
When the anti-pathogenic agent 3 is a mixed particle of particles (particles A) containing a styrene polymer derivative compound and particles (particles B) containing an unsaturated carboxylic acid derivative compound, the mass ratio of particles A to particles B is preferably 30:70 to 70:30, and more preferably 40:60 to 60:40.

The reason why anti-pathogenic agent 3 exhibits anti-pathogenic properties is thought to be as follows, although it is not limited to the mechanism speculated below.
Influenza viruses invade host cells by binding to sugar chain receptors (the sugar chain ends in neuraminic acid) on the surface of the host cells, but since the copolymer containing styrene sulfonate has an ionic group similar to that of neuraminic acid, it is believed that it binds to the virus instead of the host cell, captures the virus, and prevents the virus from binding to the host cell receptor, thereby exerting an anti-pathogenic effect. In addition, the unsaturated carboxylic acid derivative compound generates a hydroxyl group (OH ^- ) when it comes into contact with moisture, and the hydroxyl group is believed to exert an anti-pathogenic effect.

The shape of the anti-pathogenic agent 3 is not particularly limited, and examples include a sphere, an ellipsoid, a polyhedron, a scale shape, etc.

The average particle size of the anti-pathogenic agent 3 is preferably 0.1 μm or more and 10.0 μm or less, more preferably 0.2 μm or more and 8.0 μm or less, and even more preferably 0.5 μm or more and 7.0 μm or less.
By setting the average particle size to 0.1 μm or more, it becomes easier to obtain stability of the ink containing the anti-pathogenic agent 3. In addition, by setting the average particle size to 10.0 μm or less, it becomes easier to suppress poor appearance, deterioration of scratch resistance and stain resistance, and whitening of the coating film.

The content of the anti-pathogenic agent 3 is preferably 0.5 parts by mass or more and 20.0 parts by mass or less, more preferably 0.5 parts by mass or more and 19.0 parts by mass or less, even more preferably 1.0 parts by mass or more and 17.0 parts by mass or less, and even more preferably 1.5 parts by mass or more and 15.0 parts by mass or less, per 100 parts by mass of the binder resin.
By setting the content of the anti-pathogenic agent 3 to 0.5 parts by mass or more, it is possible to easily improve the anti-pathogenic properties.
By setting the content of the anti-pathogenic agent 3 to 20.0 parts by mass or less, it is possible to suppress a decrease in the coating film properties such as coating film strength and scratch resistance. Furthermore, by setting the content of the anti-pathogenic agent 3 to 20.0 parts by mass or less, it is possible to easily suppress a decrease in the stain resistance and whitening of the coating film.
The preferred range of the ratio D3/T of the average particle diameter D3 of the anti-pathogenic agent 3 to the thickness T of the anti-pathogenic agent-containing layer and the effects based thereon are the same as those of the anti-pathogenic agent 1.

Antipathogenic agent 4 is a copper-based antipathogenic agent, and antipathogenic agent 5 is a zinc-based antipathogenic agent.
Examples of copper-based anti-pathogen agents include cuprous oxide particles described in Japanese Patent No. 6145758 and copper iodide particles described in WO2010/026730.
An example of the zinc-based anti-pathogen agent is the zinc-based inorganic additive described in Japanese Patent No. 6229429.

The anti-pathogenic agent 6 is a radioactive compound.
In order to prevent adverse effects of radiation on health, radioactive compounds that radiate either or both of α-rays and β-rays, which have a relatively small flight distance in air or vacuum and a relatively small penetration through various materials, are preferred. In addition, it is preferable that the radioactive compound radiates α-rays and/or β-rays with sufficient energy (quantum) to kill viruses and emits a small amount of radiation such as γ-rays, which have a high material penetration.

Radioactive compounds that emit alpha rays include 241Am, 243Am, 226Ra, 232Th, etc. Radioactive compounds that emit beta rays include 147Pm, 210Po, 90Sr, 90Y, etc.

Examples of binder resins include thermoplastic resins and cured products of curable resin compositions. Thermoplastic resins and cured products of curable resin compositions may be mixed.

Examples of thermoplastic resins include olefin resins such as polyethylene, polypropylene, polymethylpentene, ionomers, and various olefin-based thermoplastic elastomers; vinyl chloride resins such as polyvinyl chloride, polyvinylidene chloride, and vinyl chloride-vinyl acetate copolymers; polyester resins such as polyethylene terephthalate, polybutylene terephthalate, polyethylene naphthalate, ethylene glycol-terephthalic acid-isophthalic acid copolymers, and polyester-based thermoplastic elastomers; acrylic resins such as polymethyl (meth)acrylate, polyethyl (meth)acrylate, polybutyl (meth)acrylate, and methyl (meth)acrylate-butyl (meth)acrylate copolymers; polyamide resins such as nylon 6 or nylon 66; cellulose resins such as cellulose triacetate, cellophane, and celluloid; styrene resins such as polystyrene, acrylonitrile-styrene copolymer, and acrylonitrile-butadiene-styrene copolymer (ABS); polyvinyl alcohol; ethylene-vinyl acetate copolymer; ethylene-vinyl alcohol copolymer; polycarbonate resin; urethane resin; polyarylate resin; polyimide resin; and the like. Of these, acrylic resins are preferred.

Examples of the cured product of the curable resin composition include a cured product of a heat-curable resin composition or a cured product of an ionizing radiation-curable resin composition, and among these, a cured product of an ionizing radiation-curable resin composition is preferred from the viewpoints of scratch resistance and production efficiency.

The thermosetting resin composition is a composition that contains at least a thermosetting resin, and is a resin composition that is cured by heating.
Examples of the thermosetting resin include acrylic resin, urethane resin, phenol resin, urea melamine resin, epoxy resin, unsaturated polyester resin, silicone resin, etc. In addition to these thermosetting resins, a curing agent, a curing catalyst, etc. are added to the thermosetting resin composition as necessary.

Representative examples of ionizing radiation curable resin compositions include electron beam curable resin compositions and ultraviolet ray curable resin compositions. Among these, electron beam curable resin compositions are preferred from the viewpoints that they do not require a polymerization initiator, have less odor, and are less prone to coloring. In addition, when the anti-pathogen agent-containing layer contains an ultraviolet ray absorber described below, electron beam curable resin compositions are preferred in that they tend to increase the crosslink density of the anti-pathogen agent-containing layer and tend to improve scratch resistance and contamination resistance.

The ionizing radiation curable resin composition is a composition containing a compound having an ionizing radiation curable functional group (hereinafter also referred to as an "ionizing radiation curable compound").
The ionizing radiation-curable functional group is a group that is crosslinked and cured by irradiation with ionizing radiation, and preferred examples thereof include functional groups having an ethylenic double bond such as a (meth)acryloyl group, a vinyl group, an allyl group, etc. Further examples of the ionizing radiation-curable functional group include an epoxy group and an oxetanyl group.
In this specification, the term "(meth)acryloyl group" refers to an acryloyl group or a methacryloyl group, and the term "(meth)acrylate" refers to an acrylate or a methacrylate.
In addition, ionizing radiation refers to electromagnetic waves or charged particle beams that have an energy quantum capable of polymerizing or crosslinking molecules. Usually, ultraviolet rays (UV) or electron beams (EB) are used, but other examples include electromagnetic waves such as X-rays and gamma rays, and charged particle beams such as alpha rays and ion beams.
Specifically, the ionizing radiation curable compound can be appropriately selected from polymerizable monomers and polymerizable oligomers (sometimes referred to as "polymerizable prepolymers") that have been conventionally used as ionizing radiation curable resins.

The ionizing radiation curable compound is preferably a compound having two or more ethylenically unsaturated bond groups, and more preferably a polyfunctional (meth)acrylate compound having two or more ethylenically unsaturated bond groups. As the polyfunctional (meth)acrylate compound, either a monomer or an oligomer can be used.

Among the polyfunctional (meth)acrylate compounds, examples of bifunctional (meth)acrylate monomers include ethylene glycol di(meth)acrylate, bisphenol A tetraethoxydiacrylate, bisphenol A tetrapropoxydiacrylate, and 1,6-hexanediol diacrylate.
Examples of trifunctional or higher (meth)acrylate monomers include trimethylolpropane tri(meth)acrylate, pentaerythritol tri(meth)acrylate, pentaerythritol tetra(meth)acrylate, dipentaerythritol hexa(meth)acrylate, dipentaerythritol tetra(meth)acrylate, and isocyanuric acid-modified tri(meth)acrylate.
Examples of the polyfunctional (meth)acrylate oligomer include acrylate polymers such as urethane (meth)acrylate, epoxy (meth)acrylate, polyester (meth)acrylate, and polyether (meth)acrylate.

Urethane (meth)acrylates can be obtained, for example, by reacting polyhydric alcohols and organic diisocyanates with hydroxy (meth)acrylates.

Preferred epoxy (meth)acrylates are (meth)acrylates obtained by reacting trifunctional or higher aromatic epoxy resins, alicyclic epoxy resins, aliphatic epoxy resins, etc. with (meth)acrylic acid, (meth)acrylates obtained by reacting difunctional or higher aromatic epoxy resins, alicyclic epoxy resins, aliphatic epoxy resins, etc. with polybasic acids and (meth)acrylic acid, and (meth)acrylates obtained by reacting difunctional or higher aromatic epoxy resins, alicyclic epoxy resins, aliphatic epoxy resins, etc. with phenols and (meth)acrylic acid.

The above ionizing radiation curable resins can be used alone or in combination of two or more.

When the ionizing radiation curable compound is an ultraviolet ray curable compound, the ionizing radiation curable resin composition preferably contains additives such as a photopolymerization initiator and a photopolymerization accelerator.
The photopolymerization initiator may be one or more selected from acetophenone, benzophenone, α-hydroxyalkylphenone, Michler's ketone, benzoin, benzyl dimethyl ketal, benzoyl benzoate, α-acyloxime ester, thioxanthones, and the like.
The photopolymerization accelerator can reduce polymerization inhibition caused by air during curing and increase the curing speed, and examples of the accelerator include one or more types selected from p-dimethylaminobenzoic acid isoamyl ester, p-dimethylaminobenzoic acid ethyl ester, and the like.

The anti-pathogen agent-containing layer may contain additives such as antioxidants, light stabilizers, UV absorbers, matting agents, and colorants.

The thickness of the anti-pathogenic agent-containing layer can be, for example, 1.0 μm or more and 10,000 μm (1 cm) or less, from the viewpoint of a balance between processing characteristics and scratch resistance.
When the anti-pathogenic partition member 10 is composed of a single layer of the anti-pathogenic agent-containing layer, the thickness of the anti-pathogenic agent-containing layer is preferably made thicker. In the case of a single layer, the thickness of the anti-pathogenic agent-containing layer is preferably 1.0 μm or more and 10,000 μm or less, and more preferably 10 μm or more and 5,000 μm or less.
On the other hand, when the partition member 10 has a base material 22, a decorative material 23, or both, taking into consideration that the base material is responsible for self-supporting properties and durability against external forces, that the antipathogenic effect is saturated at a certain thickness or more, and that the processability decreases as the thickness of the antipathogenic agent-containing layer increases, etc. When the partition member 10 has a base material, the thickness of the antipathogenic agent-containing layer is preferably a thin film, from the viewpoint of the balance between processability and abrasion resistance, preferably from 1.5 μm to 30 μm, more preferably from 2 μm to 20 μm, and even more preferably from 3 μm to 15 μm.

1.4 Partition member of another embodiment Fig. 8 shows an external perspective view of a partition member 20 according to another embodiment, Fig. 10 shows an exploded perspective view thereof, and Fig. 10 shows a plan view (as viewed from the Z direction). As can be seen from these figures, the partition member 20 of this embodiment has a core material 10a having a configuration similar to that of the above-mentioned partition member 10, and face materials 21 arranged on the front and back sides of the core material 10a.

The core material 10a can be the partition member 10 described above. Also, instead of the partition member 10, the core material 10a can be one that does not have the end member 12 that the partition member 10 has, and is composed only of the main body 11 and the transparent portion 11a.

The panel 21 is a thin plate-like member, and includes a plate-like panel body 22 and a plurality of holes 22a provided in the panel body 22. The opening area of each hole 22a is preferably 5 ^mm2 or more and 2000 ^mm2 or less. Among these, from the viewpoints of lighting, ventilation, splash prevention, and design to reduce the impression of the holes 22a, it is more preferable that the opening area is 7 ^mm2 or more and 710 ^mm2 or less. Furthermore, from the viewpoint of making it difficult for fingers to touch the transmission portion 11a, it is even more preferable that the opening area is 100 ^mm2 or less.

In this embodiment, as can be seen from FIG. 10, one hole 22a is sized to include multiple transparent portions 11a of the core material 10a (multiple transparent portions 11a are exposed) in a plan view of the face material 21 (viewpoint from the Z direction, view point of FIG. 10). However, this is not limited to this, and as shown in an enlarged partial view in FIG. 11, the number of transparent portions 11a visible from one hole 22a in a plan view may be less than one (for example, only a portion of each of the adjacent transparent portions 11a is visible, and the wall 11b and the end member 12 cross the hole 22a).

The shape of the holes 22a is not particularly limited and can be set appropriately from the viewpoints of expected line of sight control, lighting, ventilation, prevention of droplet diffusion, design, etc., and can take any shape, including a circle as in this embodiment, a polygon such as a triangle, a rectangle (square, rectangle, rhombus, parallelogram, etc.), a pentagon, a hexagon, etc., various geometric shapes such as an ellipse, an oval, a wave shape, a cardioid (heart shape), an asteroid (star-shaped), etc., and shapes modeled after characters such as the alphabet, hiragana, katakana, and kanji.

The pitch of the holes 22a, the number of holes arranged, the opening ratio (the area ratio of the holes to the surface material body expressed as a percentage), etc. can be set appropriately from the perspective of line of sight control, lighting, ventilation, prevention of droplet diffusion, design, etc.

The material constituting such a surface material is not particularly limited, but is preferably selected from the viewpoint of ensuring the strength of the partition member 20. For example, various metals such as aluminum, titanium, iron, copper, etc., or alloys containing one or more of these metals such as duralumin and stainless steel, glass, ceramics such as porcelain, resins such as silicone resin, fluorine resin, polycarbonate resin, polyester resin, acrylic resin, polyvinyl chloride, etc. can be used as appropriate as needed.

The thickness of the face material is not particularly limited, but is preferably thin from the viewpoint of reducing the weight of the partition member 20. Specifically, the thickness is preferably 0.1 mm or more and 10 mm or less, and more preferably 0.3 mm or more and 5.0 mm or less.
The ratio of the total opening area of the transmitting portions of the partition member as viewed in a plan view to the area of the partition member in a plan view (length×width, size in the X direction×size in the Y direction) is preferably 0.20 or more and 0.70 or less.

In this embodiment, the face material 21 is disposed on both the front and back sides of the core material 10a, but it may be disposed on either one side. When the face material 21 is disposed on both the front and back sides, it is preferable that the positions of the holes 22a of both face materials 21 coincide in the plane (in the xy plane) in at least a part of the face material 21. This allows light and air to pass through the partition member 20 through the holes 22a. The transmission of light, air, and droplets at this time is controlled as described for the partition member 10, and the above-mentioned effects are achieved.
When a face material is disposed on only one surface of the core material 10a, it is preferable to provide an end member 12 on the surface of the core material 10a on which the face material is not disposed, from the viewpoint of preventing damage, etc.

The method of joining the core material 10a and the face material 21 is not particularly limited, and may be a known method. For example, the core material 10a and the face material 21 may be fixed by a single frame body or by a combination of bolts and nuts.
In addition, when an end member is provided, if the core material 10a is provided with an end member 12 and this end member 12 is made of adhesive, this adhesive can be used to join with the face material 21, and adhesion using this method is also possible.

The partition member 20 described above has the same effects as the partition member 10, but also has excellent design, and can, for example, create a sense of unity with the space or create a distinctive space.

12 and 13 are diagrams for explaining a partition member 30 according to another embodiment. Fig. 12 is an external perspective view of the partition member 30, and Fig. 13 is an exploded perspective view of the partition member 30.
The above-mentioned partition member 20 has a configuration in which face materials 21 are arranged on both sides of a single plate-shaped core material 10a, whereas the partition member 30 has a single face material main body 32 provided with a plurality of holes 32a, and small core materials 10a are fitted into each of the plurality of holes 32a.
Such a partition member 30 also provides the same effect.

Further, other types of partition members include the following.
The above-mentioned partition member 20 was configured such that a hole 22a was provided in the face material 21 to expose a part of the core material 10a, through which light and air controlled by the core material 10a can pass and droplet diffusion can be suppressed. In contrast, in another form of partition member, a plurality of face materials are arranged on at least one side of the core material 10a, and the part where no face materials are arranged becomes an area, which acts in the same way as the hole 22a, exposing a part of the core material 10a, through which light and air controlled by the core material 10a can pass and droplet diffusion can be suppressed.
Such partition members having other shapes also have the same effect.

In this case, when multiple face materials are arranged on both the front and back sides, it is preferable that the positions of the areas on both sides coincide within the plane (xy plane) for at least a portion of them. This allows light and air to pass through the partition member through the areas, suppressing the spread of droplets.

Face material 21a may be disposed on one surface of core material 10a, and multiple face materials may form an area on the other surface. In this case, it is also preferable that the positions of holes 22a and the areas coincide (in the XY plane) at least in part.

The partition member in each of the above examples is composed of one partition member, but two partition members may be stacked in the thickness direction and configured to move relatively in the X or Y direction. This allows light to pass through by overlapping the positions of the holes in the surface materials of the two partition members in the thickness direction, and light can be blocked by shifting the positions of the holes of both, making it possible to switch between transmitting and blocking light.

2. Partition device The partition device is a device that includes at least one of the above-mentioned partition members and is configured to partition a space with a plurality of members. Examples of components other than the partition member include partition plates and walls. For convenience, components other than the partition member are referred to as "partition elements" herein.

There are no particular limitations on the partition element, and any known partition element can be used as long as it can divide a space into one side and the other side, whether indoors or outdoors. Examples include partition panels, doors, shoji screens, screen doors, windows, walls, fences, gates, etc.

The partition device can be installed in any type of building, vehicle, or facility, and can be used in any type of building. Examples of buildings include homes, offices, hospitals, stores, large commercial facilities, and other buildings. Examples of vehicles include automobiles, railroad cars, ships, aircraft, and spacecraft.

For example, examples include partitions between the indoor and outdoor spaces of a building, partitions between the inside and outside of a vehicle, partitions between adjacent indoor spaces, partitions within indoor spaces such as partitions placed inside buildings or vehicles, partitions for spaces installed outdoors (separated spaces such as various dedicated booths or multipurpose booths), partitions in outdoor spaces such as verandas and fences, etc.

As described above, the partition device can be used in a wide variety of locations and is effective in a variety of places. In other words, in the space separated by the partition device, the transmission of light, air, and droplets can be adjusted, and while maintaining good lighting and ventilation, the transmission and diffusion of droplets can be suppressed.

Because partition devices can be used in a variety of locations, it is difficult to list all possible forms. However, for ease of understanding, typical forms of partition devices are listed below for explanation. Figure 14 shows a first form example, and Figure 15 shows a second form example.

2.1. First embodiment The partition device 100 according to the first embodiment is an example in which the partition device 100 is applied to one space formed in a house, building, etc. In this embodiment, beams (horizontal members) and columns (vertical members) are combined to form a rectangular parallelepiped framework 1, which forms six frames surrounded by the beams and columns, and the partition device 100 is applied within the frames of four frames 1a to 1d that form the sides of the framework 1 for a structure in which a ceiling board 2 is arranged within the upper frame and a floor material 3 is arranged within the lower frame.

14 is an exploded perspective view illustrating a partition device 100 according to a first embodiment. In the partition device 100 according to this embodiment, two partition members 10, a wall panel (partition element) 101, and a door body (partition element) 102 are arranged horizontally within one frame 1a of four frames.
Within the frame 1b facing the frame 1a, two partition members 10, a window material (partition element) 103, and a wall panel 101 are arranged in the horizontal direction. In this embodiment, the two partition members 10 are arranged so as to face each other.

The two opposing frames 1c and 1d are arranged between frames 1a and 1b, and a partition member 10 is arranged in frame 1c, and a wall panel (partition element) 101 is arranged in frame 1d. In this embodiment, the partition member 10 is arranged on the side of frame 1c, which is closer to the partition member 10 arranged in frame 1a and the partition member 10 arranged in frame 1b. This allows the partition member 10c to be visually recognized as having a sense of unity, which is effective in terms of design and light presentation.

2.2 Second embodiment The partition device 110 according to the second embodiment is an example in which a space is formed surrounded by a plurality of partition members 10 arranged to stand on the floor surface indoors or on the ground surface outdoors. In this embodiment, the partition members 10 are arranged on a plate-shaped base 111, and four of them are arranged at intervals to form a square.
According to the partition device 110, the partitioned space can be used as a space having a predetermined purpose, that is, it can function as a so-called booth. The predetermined purpose can be, for example, a space for a meeting, a space for smoking, an individual work space, etc.

Such a partition device 110 may be installed indoors or outdoors.

2.3. Others In the above-mentioned partition device 100 and partition device 110, multiple partition members 10 are arranged, but the partition device of the present disclosure only needs to be equipped with at least one partition member. This will achieve the desired effect. However, from the viewpoint of achieving a more pronounced effect, it is preferable to arrange multiple partition members. Furthermore, when multiple partition members are arranged, it is preferable that at least two partition members are arranged so as to face each other. This can enhance the ventilation effect.

3. Effects, etc. The partition member of the present disclosure and the partition device including the same provide the following effects.

Light can be transmitted through the transmitting portion of the partition member to allow lighting.
When a partition device is provided with a plurality of partition members, in addition to the lighting of each partition member, it is possible to provide a variety of lighting effects within the space by adjusting the positional relationship of the plurality of partition members.

Air can pass through the permeable portion of the partition member, allowing ventilation.
When the partition device is provided with a plurality of partition members, it becomes easier to control the flow of air into the space and the flow of air out of the space, enabling effective ventilation.

Air passes through the transparent portion of the partition member, so droplets also pass through, but as a result of thorough research by the inventors, it has been found that a configuration such as the partition member disclosed herein can effectively prevent the passage of droplets, particularly droplets from people that are generated during conversation, coughing, sneezing, etc. Thus, the partition member disclosed herein and a partition device equipped with the same can prevent the spread of droplets while maintaining light gathering and breathability. This is thought to be because droplets generated by people are relatively large and move quickly, and such droplets have difficulty passing through the transparent portion of the partition member disclosed herein.

Furthermore, by placing an anti-pathogen agent on the partition member, the proliferation of viruses attached to the partition member is suppressed, preventing the viruses from detaching from the partition member and re-floating in the air, further suppressing the spread of the viruses.

4. Examples 4.1. Configuration of test partition members used in Examples 1 to 8 In Examples 1 to 8, partition members having a face material disposed on a main body were created following the partition member 20 shown in Figures 8 to 11. The configurations of the partition members used in Examples 1 to 8 are shown in Table 1.
The honeycomb body is an aluminum honeycomb manufactured by Morishin Kogyo Co., Ltd. The "cell size (inch)" in Table 1 represents the distance between the opposing sides of one regular hexagonal cell, following the usual method of notating honeycomb cores. In Examples 7 and 8, end members are also placed, and an epoxy adhesive (Konishi Co., Ltd., MOS7, product number #4681 1) is used as the end member.
The face material used was an A1050 aluminum plate made by Hikari Co., Ltd., with a decorative material with an adhesive wood grain pattern (Sahumare WS5088, made by Dai Nippon Printing Co., Ltd.) attached (in Example 1, no decorative material was placed on one side). Here, the decorative material was a polypropylene sheet with an epoxy adhesive (MOS7, product number #46811, made by Konishi Co., Ltd.). The openings in the face material were cut to have the pitch shown in Table 1 between adjacent openings in the X and Y directions.

In Examples 1 to 6, adhesive was applied to the non-opening parts of the facing material, which was then joined to the main body (honeycomb) and dried to produce the partition member. On the other hand, in Examples 7 and 8, an end member was placed on the edge of the transparent part of the main body (honeycomb), which was then joined to the facing material and dried to produce the partition member.

4.2. Structure of the test partition members used in Comparative Examples 1 to 5 The structures of the partition members used in Comparative Examples 1 to 5 are shown in Table 2. More details are as follows.
Comparative Example 1 was an example in which no test partition member was used.
In Comparative Example 2, a screen door mesh was placed as a test partition member. The mesh material was Global Net manufactured by Daio Kasei Co., Ltd., with a mesh size of 1.03 mm, 20 mesh, and an opening rate of 66%. The thickness was 0.5 mm.
In Comparative Example 3, vertical louvers were made by arranging cypress square bars, each measuring 18 mm x 18 mm in cross section and 600 mm in length, in parallel with an interval of 18 mm.
In Comparative Example 4, a honeycomb board craft (Hexa Japan Co., Ltd.) measuring 910 mm x 910 mm and having a thickness of 20 mm was used.
In Comparative Example 5, a white lace curtain having a thickness of 0.2 mm (Lace Bits Color White, manufactured by Jikkei Co., Ltd.) was used.

4.3. Test Contents and Test Method 4.3a. Difficulty in bending The difficulty in bending of the partition member was tested. Specifically, the procedure is as follows. An explanatory diagram is shown in FIG. 16.
Two base bars (aluminum square bars) with a length of 500 mm and a square cross section of 30 mm x 30 mm were prepared and placed parallel to each other with a gap of 200 mm between them, and a test partition member with a size of 300 mm x 225 mm was placed on top of them. The center of the 300 mm side was placed in the center of the gap between the base bars. A 1 kg weight (Tester Sangyo Co., Ltd., weight for Gakushin type friction fastness tester) was placed in the center of the test partition member.
As a result, when the partition member was bent by the weight and came into contact with the floor, it was marked as "X", and when it did not come into contact with the floor, it was marked as "O". In other words, the partition member marked as "O" is less likely to bend under external force than the partition member marked as "X", and can be said to have high rigidity and strength.

The partition member was tested for its daylighting ability. Specifically, the results are as follows. Figures 17 and 18 are illustrative.
As shown in Fig. 17, a test partition device was prepared by forming a tube (shielding tube) from a material (packing cardboard) that blocks light and air, and placing test partition members in the openings at both ends of the tube. The opening of this shielding tube was 225 mm wide and 300 mm long (height direction), and the length of the tube (distance between the openings) was 465 mm.
In this example, therefore, two test partition members are disposed facing each other with a shielding tube therebetween, with a gap (465 mm) between them. Each test partition member is 300 mm long and 225 mm wide.

As shown in Fig. 18, one of the two test partition members was placed facing south (outdoors), and an illuminometer was installed inside the shielding tube. The illuminometer was positioned such that the distance from the test partition member facing south to the detection unit was 50 mm, and the height direction was approximately 0 mm (placed on the bottom of the shielding tube). In addition, the illuminometer was placed in the center of the horizontal direction (225 mm direction) of the shielding tube.
Measurements were taken under these conditions from 12:00 to 14:00, and the illuminance was measured at certain times when sunlight was present. In order to standardize the conditions, all of the test partition devices according to Examples 1 to 8 and Comparative Examples 1 to 5 were produced and measurements were taken outdoors at the same time. The illuminance meter used was an Ondotori TR-74Ui manufactured by T&D Corporation.

4.3c. Air Permeability The air permeability of the partition member was tested. Specifically, the air permeability was tested as follows. An explanatory diagram is shown in Fig. 19. The test partition device was the same as that shown in Fig. 17.
As shown in Fig. 19, wind was blown from the outside to one of the two test partition members using an electric fan (Doshisha Co., Ltd., FIM-102). The electric fan was installed at a position 100 mm horizontally from the test partition member and 50 mm from the lower end of the shielding tube, and the direction of the wind was adjusted so that the direction of the rotation axis of the fan blades was 45° upward from the horizontal, as shown in Fig. 19.
On the other hand, an anemometer (Testo 445, Testo Corporation) was installed inside the shielding tube. The anemometer was positioned such that the distance from the test partition member on the side where the electric fan was installed to the detection unit was 200 mm, and the height direction was also 200 mm. In addition, it was placed in the center of the horizontal direction (225 mm direction) of the shielding tube.
The wind speed was measured under this condition.

Droplet diffusion The droplet diffusion property of the partition member was tested. Specifically, the procedure is as follows. Figures 20 and 21 are diagrams for explanation. The test partition device was the same as that shown in Figure 17.
As shown in Figures 20 and 21, a liquid was sprayed onto one of the two test partition members using a spray (Trust Co., Ltd., styling water for straightening hair). Figure 20 is a view from the front, and Figure 21 is a view from above. The spray was installed 500 mm horizontally from the test partition member and 300 mm from the lower end of the shielding tube, and the spray direction was at an angle of 45° to the normal line of the test partition member when viewed from above as shown in Figure 21, and the liquid was sprayed toward the center of the test partition member.
Meanwhile, a particle sensor (Omron Corporation, ZN-PD50-S) was installed inside the shielding cylinder. The particle sensor was positioned such that the distance from the test partition member on the side where the spray was installed to the detection unit was 100 mm, and the height direction was 150 mm. The particle sensor was also placed in the center of the shielding cylinder in the horizontal direction (225 mm direction).
Under these conditions, 20 μm particles (corresponding to droplets from a person) were collected every second for 7 seconds, and the number of particles was counted.

4.3e. Sound The sound transmission of the partition member was tested. Specifically, the procedure is as follows. An explanatory diagram is shown in Figure 22. The test partition device is the same as that shown in Figure 17.
As shown in Fig. 22, a sound was emitted from a sound source (a smartphone ringtone, maximum volume) from the outside of one of the two test partition members. The sound source was installed at a position 100 mm horizontally from the test partition member and 150 mm from the bottom end of the shielding tube.
On the other hand, a sound level meter (NL-42, ordinary sound level meter, Rion Co., Ltd.) was installed inside the shielding tube. The sound level meter was positioned so that the distance from the test partition member on the side where the sound source was installed to the detector was 200 mm, and the height direction was approximately 0 mm (placed on the bottom of the shielding tube). The sound level meter was also placed in the center of the horizontal direction (225 mm direction) of the shielding tube.
The noise was measured under these conditions.

4.3f. Visibility test A test was conducted on the visibility of the opposite side through the partition member using one of the test partition members used in Examples 3, 4, 5, and 8, and Comparative Examples 1 to 5. A diagram explaining the test method is shown in Fig. 23. Fig. 23 is a view looking down from above.

As shown in Fig. 23, the test partition member according to each example was fabricated and installed with a width of 910 mm and a length of 1950 mm (the size in the direction toward the back of the page), and people were placed in a standing position on one side (person A) and the other side (person B) of the test partition member, 1000 mm from each other (front). The position of the person's head is indicated by a circle in Fig. 23. A similar test was also conducted when person A moved to a position at 30 degrees to the partition member (diagonal 30 degrees).
In this state, we investigated whether person A could recognize the facial expression of person B. For "facial expression recognition," we scored "good" when person A was able to open his eyes and visually recognize the facial expression of person B, and scored "bad" when he was unable to do so.

Deformation test In the deformation test, the size and arrangement of the test partition members used in Examples 3, 4, 5, 8, and Comparative Examples 1 to 5 were changed and tests were performed. The details are as follows.
Fig. 24 is a diagram for explanation, which is a view from above. Two test partition members with a width of 910 mm and a height (in the direction of the paper) of 1950 mm were prepared, one of the two test partition members was placed facing south (outdoors) and the other was placed facing west (outdoors), and an illuminometer and thermometer were installed on the north back surface of the south-facing partition member. The illuminometer and thermometer were positioned such that the distance from the test partition member placed facing south to the detection unit installed on the north side was 50 mm, and the height direction (in the direction of the paper) was approximately 500 mm.
Measurements were taken under these conditions from 11:00 to 15:00, and the temperature and illuminance were measured at certain times when there was sunlight. In order to keep the conditions consistent, all test partition members for all Examples (Examples 11 to 14) and Comparative Examples (Comparative Examples 11 to 15) were produced and measurements were taken outdoors at the same time. The illuminance meter used was a Ondotori TR-74Ui manufactured by T&D Corporation.

4.4. Results The test results are shown in Table 1 (Examples 1 to 8) and Table 2 (Comparative Examples 1 to 5).

It can be seen that the test partition devices according to Examples 1 to 8 have a moderately high illuminance and allow natural lighting. In contrast, the light-transmitting comparative examples (Comparative Examples 1 to 3 and 5) have high illuminance during sunlight, which is dazzling and cannot necessarily be said to allow adequate lighting. On the other hand, the light-blocking one (Comparative Example 4) has extremely low illuminance. In addition, the wind speed is moderate in the Examples compared to the Comparative Examples, ensuring ventilation.
From the above, it can be seen that in the embodiment, it is possible to achieve a good balance between lighting and ventilation inside, thereby improving the comfort of the indoor space.

The Examples were able to reduce droplets compared to Comparative Examples 1 to 3 and 5, all of which were breathable.

It can also be seen that the bending strength of Examples 1 to 8 is higher than that of Comparative Example 2 and Comparative Example 5.

From the above, the embodiment has a remarkable effect in suppressing the spread of droplets while maintaining a comfortable environment in the interior space. In addition, there is no significant difference in sound (noise) between the embodiment and the comparative example, and it can be seen that sound is also transmitted appropriately inside the embodiment.

In addition, in the embodiment, the facial expression of a person on the opposite side of the partition member can be seen from the front, but cannot be seen at an angle of 30 degrees. On the other hand, such adjustment is not possible in the comparative example.
According to these results, the partition member disclosed herein and the partition device using it make it possible to precisely control the sense of distance from other people by adjusting the angle of the partition material, for example, allowing one to concentrate on one's work while sensing the presence of someone on the other side of the partition member or device. This makes it possible to maintain concentration even when working remotely or from home, to create a semi-private space with a moderate sense of openness in a small area, and to adjust what is visible (what is shown) by selectively blocking the view on the other side by adjusting the position of the partition member, making it possible to create different lighting environments even in the same space.

REFERENCE SIGNS LIST 10, 20, 30 Partition member 11 Main body 11a Transmitting portion 11b Wall 12 End member 21 Face material 22, 32 Face material main body 22a, 32a Hole 100, 110 Partition device

Claims (4)

A partition device having at least one partition member,
The partition member is
The present invention comprises a main body having a plate-like honeycomb structure and a face material disposed on at least one side of the main body,
The main body has a plurality of transmitting portions penetrating the main body in a thickness direction,
The face material has a plurality of openings penetrating in a thickness direction of the face material,
an end member made of adhesive is disposed over the edge and the inner surface of the honeycomb structure of the body;
The partition member has a frame body, the frame body is divided into a plurality of compartments, and at least one of the plurality of compartments is provided with the surface material.
Partition device. The partition device according to claim 1 , wherein a plurality of the partition members are provided. The partition device according to claim 2 , wherein at least two of the plurality of partition members are disposed in opposing positions. The partition device according to any one of claims 1 to 3 , wherein an anti-pathogen agent is disposed in the partition member.

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