JP6906396B2 - Flange and flange structure with adhesive silicone rubber sheet - Google Patents

Description

The present invention relates to a flange with an adhesive silicone rubber sheet and a flange structure.

In recent years, deterioration and aging of various buildings including so-called infrastructure (for example, roads, railways, bridges, water pipes, buildings) have become serious problems. Deterioration and aging of buildings cause various accidents such as collapse and breakage of buildings, peeling of outer walls of buildings, and expansion of damage caused by disasters such as earthquakes. For this reason, it is necessary to repair problematic parts at an early stage, and it is an urgent task to detect deterioration of buildings at an early stage and with high accuracy.

By the way, a sensor device is known as a device that can be used to detect deterioration of a building (see, for example, Patent Document 1). The sensor device is provided with a detection unit for detecting the state or state change of the detection target portion, and is a member that constitutes the detection unit by ultrasonic waves, echoes of sound waves, and the occurrence of cracks, etc. of the detection target portion. It is a device that detects by observing changes in the position of (for example, a light emitting unit and a light receiving unit), changes in magnetism and conductivity of the detection unit or detection target unit, changes in acceleration and angular velocity, and the like. Further, the sensor device may include a power supply unit for operating the detection unit and other components, a transmission / reception unit for transmitting / receiving detection results and various information, and the like. By installing such a sensor device in a building, it is possible to detect deterioration of the building.

Japanese Unexamined Patent Publication No. 2013-214753

However, when the sensor device is installed on the outer surface of the building, the sensor device and the detection target portion within the detection range are exposed to wind, rain, direct sunlight, and the like. In such a situation, there is a problem that the sensor device does not operate normally. Further, in order to solve the above problem, it is conceivable to separately install a sensor device or a cover that covers the detection range of the sensor device. However, if a hole is made in the detection target portion for the installation of a cover or the like, the deterioration of the detection target portion may be accelerated.

The present invention has been made in view of the above problems, the detection target portion can be installed without being damaged, and the cover covering the sensor device in the region surrounded by the flange is fixed for a long period of time. It is an object of the present invention to provide a flange with a possible adhesive silicone rubber sheet and a flange structure including the flange.

One embodiment for achieving the above object is a flange with an adhesive silicone rubber sheet that can be fixed to the detection target portion, and is arranged on a frame-shaped flange and a surface facing the detection target portion of the flange. A flange with an adhesive silicone rubber sheet comprising an uncured adhesive silicone rubber sheet.

Another embodiment may be a flange with an adhesive silicone rubber sheet, which is arranged on the side opposite to the surface of the flange facing the detection target portion and further includes a flange cover that can form an inner space of the flange.

Another embodiment may further be a flange with an adhesive silicone rubber sheet that allows at least a portion of the flange cover to be translucent.

Another embodiment is a flange with an adhesive silicone rubber sheet, further comprising a first sensor device fixing member on the flange cover for fixing the sensor device in contact with the detection target portion in the frame inner region of the flange. You may.

Another embodiment is a flange with an adhesive silicone rubber sheet, wherein the flange is further provided with a second sensor device fixing member for fixing the sensor device in contact with the detection target portion in the area within the frame. Is also good.

One embodiment for achieving the above object is a flange structure fixed to the detection target portion, which is a frame-shaped flange, a sensor device in the space inside the flange that comes into contact with the detection target portion, and a flange. It is a flange structure including a self-adhesive silicone rubber adhesive member that fixes the detection target portion and the detection target portion.

Another embodiment may be a flange structure that is arranged on the side opposite to the surface of the flange facing the detection target portion and further includes a flange cover that can form a space inside the flange.

Another embodiment may be a flange structure further provided with a first sensor device fixing member for fixing the sensor device in contact with the detection target portion in the frame inner region of the flange on the flange cover. ..

Another embodiment may be a flange structure further comprising a second sensor device fixing member for fixing the sensor device in contact with the detection target portion in the frame inner region of the flange.

According to the present invention, the detection target portion can be installed without being damaged, and the cover covering the sensor device in the region surrounded by the flange can be fixed for a long period of time.

FIG. 1 shows a perspective view (1a), a plan view (1b), and a cross-sectional view taken along the line A1-A1 (1c) of the flange with an adhesive silicone rubber sheet according to the first embodiment. FIG. 2 shows a plan view (2a) and a cross-sectional view taken along the line A2-A2 (2b) of the flange with an adhesive silicone rubber sheet according to the second embodiment, respectively. FIG. 3 shows a plan view (3a) and a cross-sectional view taken along the line A3-A3 (3b) of the flange structure according to the second embodiment, respectively. FIG. 4 shows a state in which the flange structure according to the second embodiment is installed on the bridge. FIG. 5 shows a state in which the flange structure according to the second embodiment is installed in a building. FIG. 6 shows a cross-sectional view of the flange with the adhesive silicone rubber sheet according to the third embodiment, which is the same as FIG. 2 (2b). FIG. 7 shows a cross-sectional view of the flange with the adhesive silicone rubber sheet according to the fourth embodiment, which is the same as FIG. 2 (2b). FIG. 8 shows a cross-sectional view of the flange with the adhesive silicone rubber sheet according to the fifth embodiment, which is the same as FIG. 2 (2b). FIG. 9 shows a cross-sectional view of the flange with the adhesive silicone rubber sheet according to the first modification, which is the same as FIG. 2 (2b). FIG. 10 shows a plan view (10a) and a cross-sectional view taken along the line A4-A4 (10b) of the flange with the adhesive silicone rubber sheet according to the second modification. FIG. 11 shows a cross-sectional view of the flange with an adhesive silicone rubber sheet according to the third modification, which is the same as FIG. 1 (1c).

Hereinafter, embodiments of the flange with the adhesive silicone rubber sheet and the flange structure of the present invention will be described with reference to the drawings. It should be noted that each embodiment described below does not limit the invention according to the claims. Moreover, not all of the elements and combinations thereof described in each embodiment are essential for the solution of the present invention. In each embodiment, for components having the same basic configuration and features, the same reference numerals may be used across the embodiments, and the description may be omitted.

(First Embodiment)
FIG. 1 shows a perspective view (1a), a plan view (1b), and a cross-sectional view taken along the line A1-A1 (1c) of the flange with an adhesive silicone rubber sheet according to the first embodiment.

As shown in FIG. 1, the flange 1 with an adhesive silicone rubber sheet according to the first embodiment can be fixed to the detection target portion, and the frame-shaped flange 10 and the facing surface of the flange 10 with the detection target portion. The adhesive silicone rubber sheet 20 in an uncured state, which is arranged in the above, is provided. "Detection target part" means a target part for detecting changes in structure, component, function, etc. For example, a part or all of real estate such as a structure, or a part or all of movable property such as a machine. Can be mentioned.

In the first embodiment, the flange 10 has an annular shape (circular outer shape) when viewed in a plan view. The adhesive silicone rubber sheet 20 also has a shape (annular shape) that matches the flange 10. In the present application, the "frame shape" means a shape in which a space exists inside. If the "flange" has a frame shape as a whole, there may be a part where the space inside the flange and the space outside the flange are connected (a part of the frame is missing). .. As the material constituting the flange 10, various metals, various resins, various ceramics, various glasses and the like can be used, but a material having excellent weather resistance is preferable.

Although not shown, a structure or the like for attaching a cover or the like may be formed or added to the side of the flange 10 opposite to the side on which the adhesive silicone rubber sheet 20 is arranged. As a structure for attaching a cover or the like, for example, a hole (including a screw having a female screw inside), a rod (including a screw having a male screw on the outer circumference), and a base such as a cover mesh with each other. Unevenness can be mentioned. Further, a groove or the like for introducing another component such as packing may be formed on the side of the flange 10 opposite to the side on which the adhesive silicone rubber sheet 20 is arranged.

Next, the adhesive silicone rubber will be described. The "adhesive silicone rubber" in this embodiment is a kind of solvent-free silicone-based adhesive, and has high adhesive strength, thermal stability, weather resistance, good water resistance, and excellent flexibility. The uncured (before curing) adhesive silicone rubber can maintain its self-supporting shape and can be deformed by pressing pressure (it is a solid state having plasticity). Therefore, the uncured adhesive silicone rubber sheet 20 can be deformed according to the unevenness or curved surface of the place to be placed and can be brought into close contact with the place to be placed, and has high adhesive strength.

The uncured adhesive silicone rubber sheet 20 preferably has a Williams plasticity at 25 ° C. in the range of 50 to 500. The Williams plasticity is measured by using a parallel plate plasticity meter (Williams plastometer) according to the measuring method specified in JIS K 6249 "Test method for uncured and cured silicone rubber".

The adhesive silicone rubber is an addition reaction type or condensation reaction type silicone rubber, and is preferably cured by a simple means such as leaving at room temperature (reaction with moisture in the air) or heating.

Hereinafter, the adhesive silicone rubber that can be suitably used in this embodiment will be described in detail.

(1) Condensation Reaction Type Adhesive Silicone Rubber The condensation reaction type adhesive silicone rubber is mainly composed of the following components.

(1-1) Organopolysiloxane This is a main component of a condensation reaction type adhesive silicone rubber, and is a diorganopolysiloxane represented by the following chemical formula (1) or chemical formula (2).

In the above chemical formulas (1) and (2), R is a monovalent hydrocarbon group. R includes an alkyl group (methyl group, ethyl group, propyl group, butyl group, 2-ethylbutyl group, octyl group, etc.), a cycloalkyl group (cyclohexyl group, cyclopentyl group, etc.), an alkenyl group (vinyl group, propenyl group, etc.). Butenyl group, heptenyl group, hexenyl group, allyl group, etc.), aryl group (phenyl group, trill group, xsilyl group, naphthyl group, diphenyl group, etc.), aralkyl group (benzyl group, phenylethyl group, etc.), and the above-mentioned carbonization. Select from those in which at least a part of the hydrogen atom bonded to the carbon atom of the hydrogen group is replaced with a halogen, a cyano group, etc. (chloromethyl group, trifluoropropyl group, 2-cyanoethyl group, 3-cyanopropyl group, etc.) The one or more hydrocarbon groups to be formed can be mentioned. The carbon number of R is preferably 1 to 12, and more preferably 1 to 10.

In the above chemical formulas (1) and (2), A is an oxygen atom or a polymethylene group (including a methylene group) represented by _{− (CH 2} ) _{m − (m is 1 to 8).} A is preferably an oxygen atom or an ethylene group.

In the above chemical formulas (1) and (2), n is an arbitrary number in which the ^{kinematic viscosity of the component (1-1) at 25 ° C. is in the range of 100 to 1000000 cm 2 / s.} The kinematic viscosity is more preferably in the range of ^{500 to 500,000 cm 2 / s.}

In the above chemical formulas (1) and (2), B is a hydrolyzable group. Examples of B include an alkoxy group (methoxy group, ethoxy group, propoxy group, butoxy group, etc.), ketooxime group (dimethyl ketooxime group, methyl ethyl ketooxime group, etc.), acyloxy group (acetoxy group, etc.), alkenyloxy group (isopropenyloxy). Group, isobutenyloxy group, etc.) can be mentioned. In addition, x in the above chemical formulas (1) and (2) is 2 or 3.

The above component (1-1) can be produced by a known method (for example, a method by an equilibrium reaction using a cyclic siloxane or linear oligomer and an acid catalyst or a base catalyst).

When a branched structure is introduced into the diorganopolysiloxane which is the component (1-1), as a conventional method, a silane containing at least one _{of SiO 3/2} unit and SiO _{4/2 unit during polymerization or} A method of adding siloxane to the extent that the diorganopolysiloxane does not gel can be used. The component (1-1) is preferably used after removing low-molecular-weight siloxane by washing or the like in order to reduce stains.

(1-2) Cross-linking agent As the cross-linking agent, a silane having two or more, preferably three or more hydrolyzable groups in one molecule, or a partially hydrolyzed condensate of the silane is used. Examples of hydrolyzable groups include alkoxy groups (methoxy group, ethoxy group, butoxy group, etc.), ketooxime groups (dimethyl ketooxime group, methylethylketooxime group, etc.), acyloxy groups (acetoxy group, etc.), alkenyloxy groups (iso). Examples thereof include a propenyloxy group, an isobutenyloxy group, etc.), an amino group (N-butylamino group, N, N-diethylamino group, etc.), and an amide group (N-methylacetamide group, etc.). Among these, it is preferable to use an alkoxy group, a ketooxime group, an acyloxy group, or an alkenyloxy group. The blending amount of the cross-linking agent is preferably in the range of 1 to 50 parts by mass, more preferably in the range of 2 to 30 parts by mass, and 5 to 30 parts by mass with respect to 100 parts by mass of the component (1-1). It is even more preferable that it is in the range of 20 parts by mass.

(1-3) Curing catalyst A curing catalyst is not essential, but the use of a curing catalyst can accelerate the curing of the adhesive silicone rubber. Examples of curing catalysts include alkyltin ester compounds (dibutyltin diacetate, dibutyltin dilaurate, dibutyltin dioctate, etc.), titanate or titanium chelate compounds (tetraisopropoxytitanium, tetran-butoxytitanium, tetrakis (2-). Ethylhexoxy) titanium, dipropoxybis (acetylacetona) titanium, titanium isopropoxyoctylene glycol, etc.) and other suitable organic metal compounds (zinc naphthenate, zinc stearate, zinc-2-ethyloctate, iron-2) -Ethyl hexoate, cobalt-2-ethyl hexoate, manganese-2-ethyl hexoate, cobalt naphthenate, alkoxyaluminum compound, etc.), aminoalkyl group-substituted alkoxysilane (3-aminopropyltriethoxysilane, N -Β (aminoethyl) γ-aminopropyltrimethoxysilane, etc.), amine compounds or salts thereof (hexylamine, dodecylamine phosphate, etc.), quaternary ammonium salts (benzyltriethylammonium acetate, etc.), lower fatty acids of alkali metals Lower fatty acid salts of alkali metals of salts (potassium acetate, sodium acetate, lithium oxalate, etc.), dialkylhydroxylamines (dimethylhydroxylamine, diethylhydroxylamine, etc.), silanes or siloxanes with guanidyl groups (tetramethylguanidylpropyl, etc.) Trimethoxysilane, tetramethylguanidylpropylmethyldimethoxysilane, tetramethylguanidylpropyltris (trimethylsiloxy) silane, etc.) can be mentioned. These may be used alone or as a mixture of two or more. The blending amount of the curing catalyst is preferably in the range of 0 to 20 parts by mass, more preferably in the range of 0.001 to 10 parts by mass with respect to 100 parts by mass of the component (1-1). It is even more preferably in the range of 0.01 to 5 parts by mass.

(1-4) Filling agent The filler is not essential, but can be suitably used for the purpose of reinforcement and the like. Examples of fillers include reinforcing agents (fumed silica, precipitated silica, silica in which the surface of these silicas is hydrophobized with an organic silicon compound, quartz powder, talc, zeolite, bentonite, etc.), and fibrous fillers (fibrous fillers). Examples include asbestos, glass fiber, organic fiber, etc.) and basic fillers (calcium carbonate, zinc carbonate, zinc oxide, magnesium oxide, celite, etc.). Among these, silica, calcium carbonate and zeolite are preferably used, and fumed silica and calcium carbonate whose surface is hydrophobized are more preferable. The blending amount of the filler can be selected depending on the purpose and the type of filler, but is in the range of 1 to 90% by volume and within the range of 5 to 60% by volume with respect to the component (1-1). It is preferable to be in.

(1-5) Adhesive-imparting component The adhesive-imparting component is not essential, but is preferably used. Examples of adhesive-imparting components include amino group-containing organoalkoxysilanes (γ-aminopropyltrimethoxysilane, γ- (2-aminoethyl) aminopropyltrimethoxysilane, etc.) and epoxy group-containing organoalkoxysilanes (γ-gli). Sidoxypropyltrimethoxysilane, etc.), mercapto-containing organoalkoxysilane (γ-mercaptopropyltrimethoxysilane, etc.), reaction mixture of amino group-containing organoalkoxysilane and epoxy group-containing organoalkoxysilane. The blending amount of the adhesiveness-imparting component is preferably in the range of 0.1 to 5 parts by mass with respect to 100 parts by mass of the component (1-1).

(2) Addition-curing type adhesive silicone rubber The addition-curing type adhesive silicone rubber is mainly composed of the following components.

(2-1) Organopolysiloxane Organopolysiloxane is a main component of addition-curable adhesive silicone rubber, and has an average of two or more alkenyl groups in one molecule. Examples of the alkenyl group include a vinyl group, an allyl group, a butenyl group, a pentenyl group, a hexenyl group and a heptenyl group. Among these, it is preferable to use a vinyl group. Examples of organic groups bonded to silicon atoms other than alkenyl groups in this component include alkyl groups (methyl group, ethyl group, propyl group, butyl group, pentyl group, hexyl group, etc.) and aryl group (phenyl group). , Trill group, xsilyl group, etc.), alkyl halide group (3-chloropropyl group, 3,3,3-trifluoropropyl group, etc.). Of these, it is preferable to use a methyl group. Examples of the molecular structure of this component include linear, linear with partial branches, branched chain, reticular, and dendritic. The viscosity of this component at 25 ° C. is preferably 100,000 mPa · s or more, and more preferably 1,000,000 mPa · s or more.

Examples of the organopolysiloxane of this component include polydimethylsiloxane having a dimethylvinylsiloxy group-blocking at both ends of the molecular chain, a dimethylvinylsiloxy group-blocking dimethylsiloxane / methylvinylsiloxane copolymer at both ends of the molecular chain, and a trimethylsiloxy group at both ends of the molecular chain. Sealed dimethylsiloxane / methylvinylsiloxane copolymer, (CH ₃ ) ₃ siloxane unit represented by SiO _{1/2 and (CH 3} ) ₂ (CH ₂ = CH) siloxane unit represented by _{SiO 1/2 and SiO 4 / Organopolysiloxane consisting of the siloxane unit represented by 2} , at least a part of the methyl groups of these organopolysiloxanes are alkyl groups (ethyl group, propyl group, etc.), aryl groups (phenyl group, trill group, etc.), halogenated. Organopolysiloxane substituted with a substituent selected from alkyl groups (3,3,3-trifluoropropyl group, etc.), at least a part of vinyl groups of these organopolysiloxanes are alkenyl groups (allyl group, propenyl group, etc.) Organopolysiloxanes substituted with, and mixtures of two or more of these organopolysiloxanes can be used.

(2-2) Hydrogenated Organopolysiloxane Hydrogenated organopolysiloxane acts as a curing agent for addition-curable adhesive silicone rubber, and has an average of two or more silicon atom-bonded hydrogens in one molecule. .. Examples of the organic group bonded to silicon in this component include an alkyl group (methyl group, ethyl group, propyl group, butyl group, pentyl group, hexyl group, etc.), aryl group (phenyl group, tolyl group, xsilyl group, etc.). ), Alkyl halide group (3-chloropropyl group, 3,3,3-trifluoropropyl group, etc.). Among the above, it is preferable to use a methyl group. Examples of the molecular structure of this component include linear, linear with partial branches, branched chain, reticular, and dendritic. The viscosity of this component at 25 ° C. is not limited, but is preferably in the range of 1-10000 mPa · s, and more preferably in the range of 1-10000 mPa · s.

Examples of the hydrogenated organopolysiloxane of this component include polydimethylsiloxane having a dimethylhydrogensiloxy group-blocking at both ends of the molecular chain, trimethylsiloxy group-blocking polymethylhydrogensiloxane at both ends of the molecular chain, and trimethylsiloxy-blocking dimethylsiloxane at both ends of the molecular chain. -Methylhydrogensiloxane copolymer, cyclic polymethylhydrogensiloxane, (CH ₃ ) ₂ HSiO Organopolysiloxane consisting of a siloxane unit represented _{by 1/2} and a siloxane unit represented by SiO _{4/2, these organonoxane} At least a part of the methyl group of polysiloxane is an alkyl group (ethyl group, propyl group, etc.), an aryl group (phenyl group, tolyl group, etc.), and an alkyl halide group (3,3,3-trifluoropropyl group, etc.). Substituted organopolysiloxanes and mixtures of two or more of these organopolysiloxanes can be used. Among these, since the mechanical properties (particularly elongation) of the obtained cured product are improved, an organopolysiloxane having a silicon atom-bonded hydrogen atom only at both ends of the molecular chain and a silicon atom bond having a silicon atom bond on the side chain of the molecular chain. It is preferable to use a mixture with organopolysiloxane.

The content of this component in the addition-curable adhesive silicone rubber is such that the molar ratio of silicon atom-bonded hydrogen atoms in this component to the alkenyl group in component (2-1) is in the range of 0.01 to 20. The amount is preferably in the range of 0.1 to 10, and more preferably in the range of 0.1 to 5. The reason for setting the above range is that when the content of this component is equal to or higher than the lower limit of the above range, the adhesive silicone rubber tends to be sufficiently cured, while it is below the upper limit of the above range. This is because the mechanical properties of the cured adhesive silicone rubber tend to be higher. When a mixture of an organopolysiloxane having a silicon atom-bonded hydrogen atom only at both ends of the molecular chain and an organopolysiloxane having a silicon atom bond at the side chain of the molecular chain is used as this component, the former organopolysiloxane is used. The content of is preferably an amount in which the molar ratio of the silicon atom-bonded hydrogen atom in this component to the alkenyl group in the component (2-1) is in the range of 0.01 to 10. The amount is more preferably in the range of 10, and even more preferably in the range of 0.1 to 5. The content of the latter organopolysiloxane is such that the molar ratio of the silicon atom-bonded hydrogen atom in this component to the alkenyl group in the component (2-1) is in the range of 0.5 to 20. Is more preferable, and the amount is more preferably in the range of 0.5 to 10, and even more preferably in the range of 0.5 to 5.

(2-3) Curing catalyst A curing catalyst is not essential, but a platinum-based catalyst for a hydrosilylation reaction can be mentioned as a preferable example. Examples of platinum-based catalysts for hydrosilylation reactions include platinum fine powder, platinum black, platinum chloride acid, alcohol-modified platinum chloride acid, platinum and diketone complex, platinum chloride acid and olefins complex, platinum chloride acid and alkenylsiloxane. Examples thereof include a complex with and a carrier (alumina, silica, carbon black, etc.) on which these are supported. Among these, it is preferable to use a complex of chloroplatinic acid and alkenylsiloxane because of its high catalytic activity. Further, it is more preferable to use a complex of chloroplatinic acid and divinyltetramethyldisiloxane. The blending amount of this component is preferably in the range of 1 to 1000 parts by mass as a platinum metal atom with respect to 1 million parts by mass of the component (2-1), and is in the range of 1 to 100 parts by mass. Is more preferable.

(2-4) Filler The filler is preferably added in order to improve the mechanical strength of the addition-curable adhesive silicone rubber, and is usually a known compound used for blending silicone rubber. Can be used. The components include, for example, fumed silica, precipitated silica, calcined silica, pulverized quartz, and a powder obtained by surface-treating powders of these silicas with an organosilicon compound (organoalkoxysilane, organohalosilane, organosilazane, etc.). Can be mentioned. In particular, in order to sufficiently improve the mechanical strength of the cured adhesive silicone rubber, it is preferable to use silica powder having a ^{BET specific surface area of 50 m 2 / g or more as this component.}

The addition of this component is optional in the addition-curable adhesive silicone rubber, but in order to improve the mechanical strength of the cured adhesive silicone rubber, the blending amount of this component is (2-1) 100 mass of the component. It is preferably in the range of 1 to 1000 parts by mass, and more preferably in the range of 1 to 400 parts by mass. In addition, the addition-curable adhesive silicone rubber has other optional components such as fumed titanium oxide, diatomaceous earth, iron oxide, aluminum oxide, aluminosilicate, calcium carbonate, zinc oxide, and inorganic substances such as aluminum hydroxide. It may contain a filler and an organic filler. The addition-curable adhesive silicone rubber may contain a filler in which the surface of these fillers is treated with the above-mentioned organosilicon compound. The blending amount of the filler can be selected depending on the purpose and the type of filler, but is in the range of 1 to 90% by volume and within the range of 5 to 60% by volume with respect to the component (2-1). It is preferable to have.

(2-5) Adhesive-imparting component This component is not essential, but can be suitably used to impart and improve the adhesiveness of the add-curable adhesive silicone rubber in order to function as an adhesive. It is a thing. Examples of this component are silane coupling agents and their partial hydrolysates (methyltrimethoxysilane, vinyltrimethoxysilane, allyltrimethoxysilane, 3-methacryloxypropyltrimethoxysilane, 3-glycidoxypropyltrimethoxy). Silane, 3-aminopropyltrimethoxysilane, N- (2-aminoethyl) -3-aminopropyltrimethoxysilane, bis (trimethoxysilyl) propane, bis (trimethoxysilyl) hexane, etc.), "epoxy group, acid Organic compounds having "anhydrous group, α-cyanoacrylic group", siloxane compounds having "epoxy group, acid anhydride group, α-cyanoacrylic group", "epoxy group, acid anhydride group, α-cyanoacrylic group" and alkoxysilyl Organic compounds or siloxane compounds with groups, titanium compounds (tetraethyl titanate, tetrapropyl titanate, tetrabutyl titanate, tetra (2-ethylhexyl) titanate, titanium ethyl acetonate, titanium acetyl acetonate, etc.), aluminum compounds (ethyl acetoate, etc.) Aluminum diisopropirate acetate, aluminum tris (ethylacetacetate), alkylacetate aluminum diisopropirate, aluminumtris (acetylacetonate), aluminum monoacetylacetonate bis (ethylacetacetate), etc.), zirconium compounds (zylconylacetylacetate Nate, zirconium butoxyacetylacetonate, zirconiumbisacetylacetonate, zirconiumethylacetacetate, etc.) can be mentioned. As the above-mentioned siloxane compound, a lower aliphatic unsaturated group such as an alkenyl group, an acryloyl group, or a methacryloyl group, or a compound having both of these and a hydrosilyl group can be expected to effectively contribute to the improvement of adhesiveness. The content of the adhesiveness-imparting component is not particularly limited, but is preferably in the range of 0.01 to 10 parts by mass with respect to 100 parts by mass of the component (2-1).

Further, in order to adjust the curability of the addition-curable adhesive silicone rubber, acetylene compounds (3-methyl-1-butin-3-ol, 3,5-dimethyl-1-hexin-3-3) are used. All, 3-phenyl-1-butin-3-ol, etc.), enein compounds (3-methyl-3-penten-1-in, 3,5-dimethyl-3-hexene-1-in, etc.), in one molecule Organosiloxane compounds having 5% by mass or more of vinyl groups (1,3,5,7-tetramethyl-1,3,5,7-tetravinylcyclotetrasiloxane, 1,3,5,7-tetramethyl-1) , 3,5,7-Tetrahexenylcyclotetrasiloxane, silanol group-blocking methylvinylsiloxane at both ends of the molecular chain, silanol group-blocking methylvinylsiloxane / dimethylsiloxane copolymer at both ends of the molecular chain, etc.), and other curing inhibitors (benzo It is preferable to contain triazoles such as triazole, phosphines, mercaptans, hydrazines, etc.). These contents are not limited, but are preferably in the range of 0.001 to 5 parts by mass with respect to 100 parts by mass of the component (2-1).

The method for preparing the addition-curable adhesive silicone rubber is not limited, and it can be prepared by mixing any other components as needed, but the components (2-1) and (2-3) are prepared in advance. It is preferable to add the remaining components to the base compound prepared by heating and mixing the components. When any other component is added, it may be added when preparing the base compound, and when the other optional component is altered by heating and mixing, the component (2-2) or (2-) 4) It may be added when the component is added. Further, when preparing the base compound, the above-mentioned organosilicon compound may be added to in-situ treat the surface of the component (2-3).

The uncured adhesive silicone rubber sheet is obtained by preparing the above-mentioned condensation reaction type adhesive silicone rubber or addition reaction type adhesive silicone rubber and forming it into a sheet shape.

In the flange 1 with the adhesive silicone rubber sheet, the side opposite to the flange 10 of the adhesive silicone rubber sheet 20 (with the detection target portion) before being installed in the detection target portion (for example, at the time of sale or transportation). It is preferable to provide a protective member arranged on the contact side). As the protective member, for example, a resin film, paper (release paper), or the like can be used. With such a configuration, it is possible to prevent the adhesive strength of the adhesive silicone rubber sheet from being lowered due to the adhesion of dust, etc., and the adhesive silicone rubber sheet may be unintentionally cured or deteriorated due to moisture or the like. It is possible to suppress this.

Further, when the condensation reaction type adhesive silicone rubber is used as the material of the adhesive silicone rubber sheet 20, the adhesive silicone is prevented from being solidified by the moisture in the air before being installed in the detection target portion. It is preferable that the flange 1 with a rubber sheet is put in a moisture-proof bag and sealed, and the moisture-proof bag is opened immediately before use to take out the flange 1 with an adhesive silicone rubber sheet.

In the flange 1 with an adhesive silicone rubber sheet, the flange 10 is placed on the detection target portion via the adhesive silicone rubber sheet 20, and the adhesive silicone rubber sheet 20 is cured to bond the flange 10 to the detection target portion. Can be fixed. At this time, the adhesive body (self-adhesive silicone rubber adhesive member) obtained by curing the flange 10 and the adhesive silicone rubber sheet 20 constitutes the flange structure together with the sensor device and other necessary components (cover and the like). The flange structure will be described in detail in the second embodiment described later.

(Second Embodiment)
Next, the second embodiment of the present invention will be described. In this embodiment, the details of the flange with the adhesive silicone rubber sheet and the flange structure including the flange will be described by exemplifying the case where the flange structure is installed in the building as the detection target portion.

1. 1. Flange with Adhesive Silicone Rubber Sheet First, the flange with adhesive silicone rubber sheet according to the second embodiment will be described.

FIG. 2 shows a plan view (2a) and a cross-sectional view taken along the line A2-A2 (2b) of the flange with an adhesive silicone rubber sheet according to the second embodiment, respectively.

The flange 2 with an adhesive silicone rubber sheet according to the second embodiment basically has the same configuration as the flange 1 with an adhesive silicone rubber sheet according to the first embodiment, but is provided with a flange cover. 1 It is different from the flange 1 with an adhesive silicone rubber sheet according to the embodiment.

As shown in FIG. 2, the flange 2 with an adhesive silicone rubber sheet is arranged on the side opposite to the surface of the flange 10 facing the detection target portion, and includes a flange cover 30 that can form an inner space of the flange 10. The shape of the flange cover shown in FIGS. 2 and 2 and later (the portion covering the sensor device described later is a flat plate shape) is an example, and may be another shape such as a dome shape (hemispherical shape) or a polyhedral shape. You may.

As the material constituting the flange cover 30, various metals, various resins, various ceramics, various glasses and the like can be used, but it is preferable to use a material having excellent weather resistance like the flange 10. When the sensor device or other device wirelessly transmits and receives information, the material constituting the flange cover 30 is a material that sufficiently passes electromagnetic waves used for communication (a resin that does not contain a substance that blocks electromagnetic waves). Ceramics, etc.) is preferable.

The flange cover 30 is preferably detachably attached to the flange 10. The flange cover 30 can be attached and detached as a configuration using bolts, nuts, etc. (screws), a configuration using pins and pin holes, a configuration in which irregularities formed on the contact surfaces of the flange cover 30 and the flange 10 are engaged, and the like. , Various configurations can be used. A packing or the like may be interposed between the flange 10 and the flange cover 30.

At least a portion of the flange cover 30 is preferably translucent. Here, "transparent" means that the amount of light transmittance does not matter as long as it can pass through visible light. As a material constituting such a flange cover 30, for example, a transparent or translucent resin or glass can be preferably used. If at least a part of the flange cover 30 is made of a translucent material, the sensor device and the like arranged inside the flange cover 30 can be visually recognized, so that the normality or abnormality of the sensor device can be easily confirmed.

2. Flange structure Next, the flange structure will be described.

FIG. 3 shows a plan view (3a) and a cross-sectional view taken along the line A3-A3 (3b) of the flange structure according to the second embodiment, respectively.

As shown in FIG. 3, the flange structure 3 according to the second embodiment is a structure fixed to the detection target portion 100, and is located inside the frame-shaped flange 10 and the flange 10 to be detected. The sensor device 40 is arranged on the surface of the portion 100 and can detect the state of the detection target portion 100, and the self-adhesive silicone rubber adhesive member 21 is arranged on the surface of the flange 10 facing the detection target portion 100. .. The flange 10 is fixed to the detection target portion 100 by a self-adhesive silicone rubber adhesive member 21. The self-adhesive silicone rubber adhesive member 21 is a cured adhesive silicone rubber sheet 20 described above. The detection target portion 100 is not a component of the flange structure 3.

Further, the flange structure 3 is further provided with a flange cover 30 which is arranged on the side opposite to the surface of the flange 10 facing the detection target portion 100 and covers the inner space of the flange 10 so as to be formable.

In the flange structure 3, for example, the flange 10 is installed on the detection target portion 100 via the adhesive silicone rubber sheet 20, and then the sensor device 40 is installed on the detection target portion 100 inside the flange 10. After that, the adhesive silicone rubber sheet 20 is cured to form a self-adhesive silicone rubber adhesive member 21. As a result, the flange 10 can be fixed to the detection target portion 100. In the second embodiment, the flange cover 30 is detachably attached to the flange 10. The flange 2 with the adhesive silicone rubber sheet may be installed on the detection target portion 100 after the sensor device 40 is installed.

The type of the sensor device 40 is not particularly limited as long as it can detect deterioration of the detection target unit 100 and the like. For example, the sensor device 40 is preferably a device including one or more such as an ultrasonic sensor, a piezoelectric element, a light detection sensor, and a magnetic sensor. In addition to the various sensors described above, the sensor device 40 preferably includes a circuit board provided with a memory and / or an information transmitting device, and a power source (battery or the like). However, the sensor device 40 does not necessarily have to include a power supply. For example, electric power may be supplied to the sensor device 40 regardless of whether it is wired or wireless from an external power source. Further, the sensor device 40 may be subjected to various methods (a method of fixing a portion of the sensor device 40 that does not affect the detection to the detection target portion 100, a method of attaching the sensor device 40 to the detection target portion 100 with a tape or the like, etc.). Can be fixed.

In each drawing in which the sensor device 40 is illustrated, including FIG. 3, the sensor device 40 is illustrated as a plate-shaped component having a quadrangular view in a plan view, but this is only an example. The shape of the sensor device 40 is not limited to the above-exemplified shape. Further, as the sensor device 40, any shape can be used as long as it can be arranged inside the flange 10.

Next, a case where the flange structure 3 is installed in a building will be described.

FIG. 4 shows a state in which the flange structure according to the second embodiment is installed on the bridge. FIG. 5 shows a state in which the flange structure according to the second embodiment is installed in a building. The small white circles in FIGS. 4 and 5 represent the installation locations of the flange structure 3.

As shown in FIGS. 4 and 5, for example, the flange structure 3 is installed and used on the surface of a building (superstructure 200 and substructure 210 of a bridge in FIG. 4, building 300 in FIG. 5). Will be done. In order to accurately detect deterioration of a building, it is preferable to install a plurality of flange structures 3 in one building. In addition, in FIG. 4 and FIG. 5, the flange structure 3 is installed only on one surface outside the building, but the present invention is not limited to this. The flange structure 3 may be installed on two or more surfaces or the entire surface outside the building. Further, the flange structure 3 may be installed inside the building. Further, the bridges (superstructure 200 and substructure 210) and the building 300 illustrated in FIGS. 4 and 5 are merely examples for the purpose of explaining the present embodiment. The type, shape, and the like of the building in which the flange structure 3 should be installed are not particularly limited as long as it is a building that requires detection of deterioration or the like.

The flange 2 with an adhesive silicone rubber sheet according to the second embodiment is provided on the side opposite to the surface of the flange 10 facing the detection target portion 100, and includes a flange cover 30 that can form an inner space of the flange 10. Therefore, it is possible to prevent the sensor device 40 and the detection target unit 100 within the detection range of the sensor device 40 from being directly exposed to wind, rain, direct sunlight, etc., and to suppress a failure of the sensor device 40, etc. Deterioration, etc. can be stably investigated over a long period of time.

Further, since the flange cover 30 is detachably attached to the flange 10, when the flange structure 30 is installed on the detection target portion 100, the sensor device does not remove the flange 10 from the detection target portion 100. The 40 can be accessed, and the maintenance of the sensor device 40 becomes easy.

The flange structure 3 includes a frame-shaped flange 10 and a self-adhesive silicone rubber adhesive member 21 arranged on a surface facing the detection target portion 100 of the flange 10, and the flange 10 is a self-adhesive silicone rubber. It is fixed to the detection target portion 100 via the adhesive member 21. Therefore, it is possible to attach the cover or the like using the flange 10 as a pedestal, and as a result, it is possible to attach the flange cover 30 without damaging the detection target portion 100. Further, since the self-adhesive silicone rubber adhesive member 21 is an adhesive body having excellent waterproof and weather resistance, the flange 10 can be fixed to the detection target portion 100 for a long period of time.

(Third Embodiment)
Next, a third embodiment of the present invention will be described.

FIG. 6 shows a cross-sectional view of the flange with the adhesive silicone rubber sheet according to the third embodiment, which is the same as FIG. 2 (2b).

The flange 4 with an adhesive silicone rubber sheet according to the third embodiment basically has the same configuration as the flange 2 with an adhesive silicone rubber sheet, but is provided with a sensor device fixing member. It is different from the attached flange 2.

As shown in FIG. 6, the flange 4 with an adhesive silicone rubber sheet is a sensor device for fixing the sensor device 40 to the detection target portion 100 when the flange 4 with the adhesive silicone rubber sheet is installed on the detection target portion 100. A fixing member 50 (an example of a second sensor device fixing member) is provided.

The sensor device fixing member 50 is a thin plate-shaped member arranged inside the flange 10. The sensor device fixing member 50 is arranged on the side opposite to the surface of the sensor device 40 facing the detection target portion 100 (the flange cover 30 side of the sensor device 40). The sensor device fixing member 50 can be arranged (fixed) inside the flange 10 by various means such as adhesion, press fitting, and welding.

As a material constituting the sensor device fixing member 50, various metals, various resins, various ceramics, various glasses and the like can be used. When a part of the flange cover 30 has translucency, it is preferable that the sensor device fixing member 50 is also made of a translucent material (transparent or translucent resin or glass).

Further, the flange 4 with an adhesive silicone rubber sheet includes a sensor device 40 inside. The sensor device 40 is fixed so as to be in contact with the detection target portion 100 by the sensor device fixing member 50. The sensor device 40 comes into contact with the sensor device fixing member 50 by any means such as adhesion, fitting, and pressing. The sensor device 40 is fixed to the sensor device fixing member 50, and may not be fixed to the detection target unit 100. That is, the flange 4 with the adhesive silicone rubber sheet includes a sensor device fixing member 50 for fixing the sensor device 40 to the detection target portion 100 when it is installed on the detection target portion 100. Therefore, the sensor device 40 can be installed in the detection target unit 100 without interposing an adhesive or the like between the sensor device 40 and the detection target unit 100. Thereby, the detection accuracy of the sensor device 40 can be improved.

Further, since the sensor device 40 is fixed to the sensor device fixing member 50, the sensor device 40 can be attached to the detection target portion 100 at the same time as the flange 10, and as a result, the time and effort for installation can be reduced. It becomes.

(Fourth Embodiment)
Next, a fourth embodiment of the present invention will be described.

FIG. 7 shows a cross-sectional view of the flange with the adhesive silicone rubber sheet according to the fourth embodiment, which is the same as FIG. 2 (2b).

The flange 5 with an adhesive silicone rubber sheet according to the fourth embodiment basically has the same configuration as the flange 4 with an adhesive silicone rubber sheet according to the third embodiment, but has a configuration of a sensor device fixing member. Therefore, it is different from the flange 4 with an adhesive silicone rubber sheet.

As shown in FIG. 7, the flange 5 with an adhesive silicone rubber sheet includes a sensor device fixing member 52 (an example of a first sensor device fixing member) protruding from a part of the flange cover 32. The sensor device fixing member 52 is preferably integrated with the flange cover 32. However, the first sensor device fixing member may be a separate body from the flange cover 32. The flange cover 32 has the same configuration as the flange cover 30 in the second embodiment and the like except that it is a base of the sensor device fixing member 52. The flange 5 with an adhesive silicone rubber sheet is different from the flange 4 with an adhesive silicone rubber sheet according to the third embodiment in terms of the configuration of the sensor device fixing member.

(Fifth Embodiment)
Next, a fifth embodiment of the present invention will be described.

FIG. 8 shows a cross-sectional view of the flange with the adhesive silicone rubber sheet according to the fifth embodiment, which is the same as FIG. 2 (2b).

The flange 6 with an adhesive silicone rubber sheet according to the fifth embodiment basically has the same configuration as the flange 4 with an adhesive silicone rubber sheet according to the third embodiment, but has a configuration of a sensor device fixing member. Therefore, it is different from the flange 4 with an adhesive silicone rubber sheet.

As shown in FIG. 8, the flange 6 with an adhesive silicone rubber sheet includes a sensor device fixing member 54 (an example of a second sensor device fixing member) protruding from the inside of the flange 12. The sensor device fixing member 54 is preferably integrated with the flange 12. However, the second sensor device fixing member may be separated from the flange 12.

The sensor device fixing member 54 is arranged on the side surface side of the sensor device 40. The flange 12 has the same configuration as the flange 10 in the first embodiment and the like except that it is a base of the sensor device fixing member 54. The flange 6 with an adhesive silicone rubber sheet is different from the flange 4 with an adhesive silicone rubber sheet in terms of the configuration of the sensor device fixing member.

(Other embodiments)
Although the above description has been made based on each embodiment of the present invention, the present invention is not limited to each of the above embodiments, and can be carried out in various embodiments without departing from the spirit of the present invention. For example, the following modifications are possible.

The number, shape, position, size, angle, etc. of the components described in each of the above-described embodiments and drawings are examples, and can be changed as long as the effects of the present invention are not impaired. In each of the above-described embodiments, the flange 10 and the like and the adhesive silicone rubber sheet 20 and the like or the self-adhesive silicone rubber adhesive member 21 have the same outer shape (outermost contour line of the member) in a plan view. The present invention is not limited to this. These outer shapes may be different. Further, in each of the above embodiments, the flange 10 and the like and the flange cover 30 and the like have the same outer shape in a plan view, but the present invention is not limited thereto. These outer shapes may be different.

FIG. 9 shows a cross-sectional view of a flange with an adhesive silicone rubber sheet according to the first modification.

In the flange 7 with an adhesive silicone rubber sheet according to the first modification, the outer end of the flange cover 34 covers the outer surfaces of the flange 10 and the adhesive silicone rubber sheet 20. Unlike the flange 7 with an adhesive silicone rubber sheet, the contact surface between the flange 10 and the adhesive silicone rubber sheet 20 or the self-adhesive silicone rubber adhesive member 21 and the contact surface between the flange 10 and the flange cover 34 are not exposed to the outside. You may do so.

In each of the above-described embodiments, a flange 10 or the like having an annular shape (circular outer shape) when viewed in a plan view has been described, but the present invention is not limited thereto.

FIG. 10 shows a plan view (10a) and a cross-sectional view taken along the line A4-A4 (10b) of the flange with the adhesive silicone rubber sheet according to the second modification.

The outer shape of the flange 14 in the flange 8 with the adhesive silicone rubber sheet according to the second modification is a quadrangle (square) in a plan view. Further, the adhesive silicone rubber sheet 22 and the flange cover 36 also have a shape that matches the flange 14. As in the flange 8 with the adhesive silicone rubber sheet shown in FIG. 10, a flange 14 other than the annular shape may be used.

In the second to fifth embodiments, the flange 10 and the like and the flange cover 30 and the like are separate bodies, but the present invention is not limited thereto.

FIG. 11 shows a cross-sectional view of the flange with an adhesive silicone rubber sheet according to the third modification, which is the same as FIG. 1 (1c).

When it is not necessary to remove the flange cover 38 from the flange 16, the flange 16 and the flange cover 38 may be integrated as in the flange 9 with the adhesive silicone rubber sheet according to the third modification shown in FIG.

In the above-mentioned third to fifth embodiments, the flange with the adhesive silicone rubber sheet including the first or second sensor device fixing member and the sensor device 40 has been described as an example, but the present invention is limited thereto. is not it. A flange with an adhesive silicone rubber sheet may be distributed in a state in which the first or second sensor device fixing member is provided but the sensor device 40 is not provided.

In each of the above-described embodiments, the number of sensor devices 40 per flange or flange structure with an adhesive silicone rubber sheet has been described as one, but the present invention is not limited thereto. .. The number of sensor devices 40 per flange or flange structure with an adhesive silicone rubber sheet may be two or more.

The present invention can be used in any industry in which a sensor device is installed.

1,2,4,5,6,7,8,9 ... Flange with adhesive silicone rubber sheet, 3 ... Flange structure, 10,12,14,16 ... Flange, 20,22.・ ・ Adhesive silicone rubber sheet, 21 ... Self-adhesive silicone rubber adhesive member, 30, 32, 34, 36, 38 ... Flange cover, 40 ... Sensor device, 52 ... First sensor device fixed Members, 50, 54 ... Second sensor device fixing member, 100 ... Detection target part, 200 ... (Example of detection target part), 210 ... (Bridge) lower part Structure (example of detection target part), 300 ... Building (example of detection target part)

Claims (7)

A flange with an adhesive silicone rubber sheet that can be fixed to the detection target.
With a frame-shaped flange,
An uncured adhesive silicone rubber sheet arranged on the surface of the flange facing the detection target portion,
A flange cover that is arranged on the side of the flange opposite to the surface facing the detection target portion and that can form an inner space of the flange.
Flange with adhesive silicone rubber sheet. The flange with an adhesive silicone rubber sheet according to claim 1 , wherein at least a part of the flange cover is translucent. Said flange cover, according to claim 1 or claim 2, characterized in that the first sensor device fixing member for fixing the sensor device is contacted with the detection target portion in the frame region of the flange, further comprising Flange with adhesive silicone rubber sheet. Any one of claims 1 to 3 , wherein the flange further includes a second sensor device fixing member for fixing the sensor device in contact with the detection target portion in the frame inner region. Flange with adhesive silicone rubber sheet as described in. A flange structure fixed to the detection target,
With a frame-shaped flange,
A sensor device in the inner space of the flange that comes into contact with the detection target portion,
A sheet-shaped self-adhesive silicone rubber adhesive member that fixes the flange and the detection target portion,
A flange cover that is arranged on the side of the flange opposite to the surface facing the detection target portion and that can form an inner space of the flange.
A flange structure comprising. The flange structure according to claim 5 , wherein the flange cover further includes a first sensor device fixing member for fixing the sensor device in contact with the detection target portion in the frame inner region of the flange. .. The flange structure according to claim 5 or 6 , wherein the flange further includes a second sensor device fixing member for fixing the sensor device in contact with the detection target portion in the frame inner region. body.

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