JP7638043B2 - Fragrance cartridge - Google Patents

Description

The present invention relates to an aroma cartridge that is attached to an inhalation device having an electric heating means and is capable of generating an aerosol containing an aromatic component by being heated by the electric heating means.

The aroma cartridge is attached to an inhalation device having an electric heating means, and generates an aerosol containing an aromatic component by being heated by the electric heating means.

As such an aroma cartridge and inhalation device, Patent Document 1 discloses a smoking device that is electrically heated by a set of electric heating elements to generate tobacco flavor or other components in the form of vapor or aerosol and deliver them to the smoker.

Japanese Patent Application Publication No. 07-184627

Incidentally, the aroma cartridge can take various forms depending on the specifications of the inhalation device.
For example, fragrance cartridges are often formed in a cylindrical shape, but in inhalation devices in which the electrical heating means is formed in a blade or pin shape, the diameter of the fragrance cartridge is set so that the electrical heating means can be inserted into the fragrance base material that generates an aerosol when heated.

In contrast, in an inhalation device in which the electrical heating means is formed in a cylindrical shape or the like so as to be able to heat the outer peripheral surface of the fragrance cartridge, there is no need to insert the electrical heating means into the fragrance base material, and therefore the diameter of the electrical heating means can be set smaller than that of the fragrance cartridge used in an inhalation device which is formed in a blade shape or the like.

Users desire that the smoking sensation and smoking time be constant regardless of the form of the aroma cartridge. For this reason, it is preferable that the amount of the aroma base material that generates the aerosol filled in the aroma cartridge is at least a certain amount regardless of the form of the aroma cartridge.

When the axial length of the aroma base material filled in the aroma cartridge becomes long, the airflow resistance in the aerosol flow path increases, making it difficult to obtain a sufficient amount of aerosol suitable for smoking.

Furthermore, if the amount of the fragrance substrate is reduced in order to reduce the airflow resistance in the aerosol flow path, there is a risk that the fragrance substrate will move to one end or the other end of the cartridge. If the fragrance substrate moves to such a position, when the fragrance cartridge is attached to an inhalation device, the fragrance substrate will not be positioned in an area that can be heated by the electrical heating means of the inhalation device (heating area), which will result in a problem that aerosol cannot be generated properly.

The present invention has been made in consideration of the above problems, and is directed to the following, regardless of the form of the aroma cartridge:
To provide a fragrance cartridge that has suitable breathability for smoking and is capable of generating a sufficient aerosol.

The fragrance cartridge of the present invention is an fragrance cartridge that is attached to an inhalation device having an electric heating means and generates an aerosol by being heated by the electric heating means, and is characterized in that it has a cylindrical cover and a fragrance substrate that is contained in the cover and generates an aerosol containing an aromatic component by being heated, and the fragrance substrate is provided at multiple locations at predetermined intervals in the axial direction of the cover.

According to the aroma cartridge of the present invention, the aroma base material is provided at a plurality of locations at predetermined intervals in the axial direction of the cover, so that even if the heating area of the inhalation device is long in the axial direction,
The aromatic substrate can be distributed in the heating region, and the heat of the heating region can be transmitted to the aromatic substrate in an even manner. That is, the airflow resistance of the aromatic substrate in the axial direction of the cover can be reduced according to the interval, compared to the case where the aromatic substrate is disposed over the entire heating region. In addition, by disposing the aromatic substrate intermittently in the axial direction of the cover, it is possible to arrange regions with low airflow resistance and regions with high airflow resistance alternately. Therefore, even if the flow rate of the gas containing the aerosol is slowed down in the region with high airflow resistance, it is increased in the subsequent region with low airflow resistance. As a result, it is possible to reduce the airflow resistance in the axial direction of the cover, compared to the case where the aromatic substrate is disposed all at one position. Therefore, it is possible to improve the ease of inhaling the aerosol generated from the aromatic substrate. In addition, since the aerosol and air can be mixed in an appropriate ratio, it is possible to improve the flavor.

In the fragrance cartridge of the present invention, it is preferable that the cover has one or more partitions between two of the fragrance substrates arranged close to each other, and the partitions are air-permeable in the axial direction of the cover.

According to this embodiment, by disposing a partition between the two fragrant substrates, it is possible to restrict the fragrant substrate disposed on the tip side of the cover from moving toward the base end side of the cover, and the fragrant substrate disposed on the base end side of the cover from moving toward the tip side of the cover, and it is possible to define the gap in the axial direction of the cover between the two fragrant substrates by the partition. Also, by having the partition be air permeable in the axial direction of the cover, it is possible to ensure air permeability at the predetermined gap.

In the aroma cartridge of the present invention, it is preferable that the aroma base material is granular, closes the tip side of the cover, and has a lid material that is air permeable in the axial direction of the cover.

According to this embodiment, it is possible to prevent the fragrant base material from leaking out to the outside through the opening formed on the tip side of the cover.

In the fragrance cartridge of the present invention, a regulating member is provided which is arranged in contact with the fragrant substrate which is arranged closest to the base end of the cover among the multiple fragrant substrates and which regulates the movement of the fragrant substrate toward the base end of the cover, and it is preferable that the regulating member is breathable in the axial direction of the cover.

According to this embodiment, the fragrant base material disposed closest to the base end of the cover can be held in a predetermined position within the cover by the restricting member, so that when the aroma cartridge is attached to the inhalation device, the fragrant base material can be held in a position suitable for heating by the electric heating means.

In the fragrance cartridge of the present invention, it is preferable that the partition is made of at least one material selected from a cotton-like material, a porous material, a honeycomb structure, a mesh structure, and a paper wrapping material having a through hole formed extending from one end to the other end along the axial direction of the cover.

In the aroma cartridge of the present invention, the aroma base material is preferably dispersed and disposed within the heating region of the electric heating means in a state where the aroma cartridge is attached to the inhalation tool.

By disposing the aroma substrates so that they are distributed within the heating area of the electric heating means when the aroma cartridge is attached to the inhalation device, the heat generated by the electric heating means can be efficiently transferred to each aroma substrate, thereby enabling aerosols to be generated in a well-balanced manner from each aroma substrate.

According to the aroma cartridge of the present invention, it is possible to reduce the airflow resistance in the axial direction of the cover. This makes it possible to improve the ease of inhaling the aerosol generated from the aroma base material. In addition, since the aerosol and air can be mixed in an appropriate ratio,
This makes it possible to improve the flavor.

FIG. 1 is a perspective view of an aroma cartridge according to one embodiment of the present invention. FIG. 2 is an exploded perspective view of the aroma cartridge. FIG. 2 is a cross-sectional view of the aroma cartridge of FIG. 1 . FIG. 2 is an explanatory diagram showing a state in which the aroma cartridge of FIG. 1 is attached to an inhalation tool. FIG. 2 is a flow diagram showing a process for producing the fragrance base material of FIG. 1. FIG. 6 is a flow chart showing the process for producing the raw material (A2) in FIG. 5. FIG. 2 is a flow diagram showing another manufacturing process of the fragrance base material of FIG. 1. FIG. 11 is a cross-sectional view of the aroma cartridge according to the second embodiment. FIG. 11 is a cross-sectional view of the aroma cartridge according to embodiment 3. FIG. 11 is an exploded perspective view of the aroma cartridge according to embodiment 4. FIG. 13 is an exploded perspective view of an aroma cartridge according to a modified example of the fourth embodiment.

[Embodiment 1]
Hereinafter, an embodiment of the aroma cartridge according to the present invention will be described with reference to the drawings. Fig. 1 is a perspective view of the aroma cartridge according to this embodiment. Fig. 2 is an exploded perspective view of the aroma cartridge. Fig. 3 is a cross-sectional view of the aroma cartridge of Fig. 1. Fig. 4 is an explanatory view showing the aroma cartridge according to this embodiment when attached to an inhalation device.

[Configuration of aroma cartridge 100]
1 and 2, the aroma cartridge 100 can be used, for example, in a cartridge for a heated tobacco product. Hereinafter, an example will be described in which the aroma cartridge 100 is a cartridge used in a heated tobacco product, which is an inhalation device having an electric heating means.

The aroma cartridge 100 comprises a cylindrical cover 10, an aroma base material 20 housed in one end of the cover 10, and a filter 30 housed in the other end of the cover 10. In this embodiment, the aroma base material 20 is provided at two locations with a predetermined distance between them in the axial direction of the cover 10. A partition wall 40 is provided between the aroma base materials 20.

The cover 10 is composed of a cigarette paper 11 that covers the aromatic base material 20, and a tipping paper 12 that further covers the outer peripheral portion of the filter 30 from the outside of the cigarette paper 11. The cigarette paper 11 is joined to the tipping paper 12 by means of adhesion, heat fusion, or the like.

The wrapping paper 11 and the tipping paper 12 may be made of, for example, paper, a synthetic resin film, a metal foil, or a composite sheet formed by laminating these. Furthermore, an adhesive layer, a hot melt layer, or other adhesive or fusible layer may be formed on the inner surface of the wrapping paper 11 and the tipping paper 12.

In this embodiment, the cigarette paper 11 serves to gather the aroma base material 20 together to form a columnar shape. The cigarette paper 11 serves to connect the aroma base material 20, the partition wall 40, and the filter 30. The tipping paper 12 serves to reinforce the portion (mouthpiece) where the user holds the aroma cartridge 100 in the mouth. Note that the cover 10 is not limited to one in which the cigarette paper 11 and the tipping paper 12 are separately formed, and may be, for example, formed of a single sheet in which the cigarette paper 11 and the tipping paper 12 are integrated.

In this embodiment, as shown in FIG. 2 and FIG. 3, two aromatic substrates 20 and a partition wall 40 are provided.
The filter 30 is disposed along the axial direction from one end side to the other end side of the cover 10. The space surrounded by the inner wall of the cover 10 serves as a flow path for the aerosol.

The aromatic substrate 20 may be, for example, an aggregate of rod-like, strip-like, powder-like, granular, pellet-like, small piece-like, sheet-like, fibrous, porous, paste-like, or block-like components.
In this embodiment, the fragrant substrate 20 is formed into a cylindrical shape as a whole by strip-shaped components. Note that the fragrant substrate 20 needs to have a suitable degree of breathability, and breathability is achieved by gaps between the filled components, gaps due to cracks formed by drying of the filled components, and the porous structure of the components themselves.

The aromatic substrate 20 can generate an aerosol containing an aromatic component by being heated by an electrical heating means of a heated tobacco product, which is an inhalation device.
The aromatic base material 20 is preferably made of a material containing a ground and dried plant material, not limited to tobacco plants, that is made from a non-tobacco plant, an aerosol former capable of generating an aerosol, and a thermofusible substance that melts when heated. The composition of the aromatic base material 20 will be described later.

In this embodiment, two fragrant substrates 20 are arranged at a predetermined distance, but the number of fragrant substrates 20 is not limited, and three or more fragrant substrates may be arranged at a predetermined distance from each other.

The filter 30 preferably has a certain degree of air permeability to the mainstream smoke or aerosol generated from the aromatic base material 20, and has the function of capturing solid particles contained in the mainstream smoke or aerosol and adsorbing harmful components, etc. The shape of the filter 30 is not particularly limited as long as it can be wrapped in the cover 10.

Examples of the filter 30 include an acetate filter using acetate fibers, a charcoal filter containing activated carbon in an acetate filter, and an AFT (Advanced Filter Filter) having a plurality of grooves recessed from the outer peripheral surface of the filter 30 in the axial direction of the cover 10.
In this embodiment, the filter 30 is fixed to the inner circumferential surface of the base material 12 of the cover 10 by a fixing means such as adhesion or welding.

2 and 3, the partitions 40 are disposed adjacent to each of the two scented substrates 20. The partitions 40 may have an outer peripheral surface that corresponds to the shape of the inner peripheral surface of the cover 10. In this embodiment, the partitions 40 are formed into a cylindrical shape as a whole. The partitions 40 are fixed to the cover 10 by a fixing means such as adhesion or welding, and in this embodiment, they are fixed to the inner peripheral surface of the cigarette paper 11.

The partition 40 is disposed between two aromatic substrates 20 disposed adjacent to each other within the cover 10. The partition 40 has air permeability in the axial direction of the cover 10. The partition 40 may have air permeability suitable for smoking, and may have air permeability at least equal to that of the filter 30, for example.

In this embodiment, the partition 40 is formed in a hollow cylindrical shape having a through hole 41 formed from one end to the other end, but it may be composed of a columnar member without a through hole 41. The partition 40 is preferably made of a material that is heat resistant to the temperature range (e.g., 180 to 400°C) heated by the electric heating means of the heated tobacco. Such heat resistant materials include paper, resin, rubber, wood, metal, and
As the partition 40, for example, a paper wrapper member formed by rolling a sheet of paper into a spiral shape from one end to form a cylindrical shape having a spiral gap when viewed from the end face can be used.

The partition 40 is not limited in shape as long as it has a structure that allows air to pass from the tip side to the base side of the cover 10 and has a function of restricting the movement of the fragrant base material 20 disposed on the tip side to the base side. The partition 40 may be, for example, a cotton-like member, a porous member, a honeycomb structure, a mesh structure,
and at least one selected from the aforementioned paper wrapping members. Note that it is not necessary to provide the partition 40 in the aroma cartridge 100 as long as each aroma base material 20 is arranged at a predetermined interval in the axial direction of the cover 10. For example, if each aroma base material 20 can be fixed to the inner surface of the cover 10 by the adhesiveness of the material itself or by adhesive, the partition 40 is not necessarily required.

As shown in Fig. 4, the heated tobacco product 50 has an insertion hole 51 formed so that the aroma cartridge 100 can be inserted therein. An electric heating means 52 capable of raising the temperature of the inner peripheral surface of the insertion hole 51 is provided inside the heated tobacco product 50.

The electric heating means 52 includes, for example, an electric resistance material, and when powered,
It can be heated from 0 to 400° C. Electrically resistive materials can include, but are not limited to, semiconductors such as doped ceramics, "conductive" ceramics (e.g., molybdenum disilicide), carbon, graphite, metals, metal alloys, and composites made from ceramic and metallic materials.

The electrically resistive material may be embedded, encapsulated or coated with an insulating material in the composite, or vice versa. As an alternative to an electrically resistive material, the electrical heating means 52 may include an infrared heating element, an optical source, or an induction heating element.

In the insertion hole 51, a region that can be heated to 150 to 400° C. by the electric heating means 52 is defined as a heated region R1, and the other region is defined as a non-heated region R2.

The aroma cartridge 100 is attached to the heated tobacco 50 by being inserted into the insertion hole 51 of the heated tobacco 50. When the aroma cartridge 100 is attached to the heated tobacco 50, the entire aroma base material 20 is disposed in the heating region R1 of the insertion hole 51.

In this way, by distributing each of the fragrant substrates 20 in the heating region R1 of the heated tobacco 50, the heat of the electric heating means 52 is well transferred to each of the fragrant substrates 20, making it possible to generate an appropriate amount of aerosol for smoking. Furthermore, by disposing the highly breathable partitions 40 between the fragrant substrates 20, the airflow resistance can be set within an appropriate range.

[Configuration of Fragrance Base Material 20]
The fragrance base material 20 includes a ground and dried plant material that generates a fragrance when heated, and an aerosol former that generates an aerosol when heated. Therefore, the fragrance base material 20 is capable of generating an aerosol containing a fragrance component when heated. The fragrance base material 20 includes a heat-fusible substance that melts when heated, and
It is preferable that the composition contains at least one of catechin, crosslinked polyvinylpyrrolidone and/or polyvinylpyrrolidone, and a flavoring.

In addition to the above, the fragrant base material 20 may contain, for example, a fragrance capable of supplementing the fragrance emitted from the crushed and dried plant material, a molding agent capable of improving the moldability of the fragrant base material 20, a binder that contributes to binding and integrating the aerosol former and the crushed and dried plant material, a sorbent capable of retaining the fragrance in the fragrant base material 20, and a preservative capable of improving the shelf life of the fragrant base material 20.

(Dried and crushed plant material)
Examples of ground and dried plant materials include tobacco leaves and stems, as well as leaves, stems, flowers, seeds, fruits, bark, roots, and the like of non-tobacco plants.

The crushed and dried plant materials include, in particular, Chinese tea, black tea, roses, plants of the Oleaceae family, lavender, saffron flowers, shallots, garlic, onions, the rhizomes of konjac, Chinese quince, plants of the Rutaceae family (bitter orange, unshu mandarin, summer mandarin, ponkan, hassaku, iyokan, ichan lemon, trifoliate orange, orange,
Mandarin orange, kabosu, Kishu mandarin, quinotto, grapefruit, koji,
Sanboukan, citron, jabara, sudachi, tachibana, tangor, summer mandarin, hanayuzu, hyuganatsu, Hirami lemon (shikwasa), pomelo, yuzu, lime, lemon, kaffir lime, etc.), plants of the Peach genus (Peach species) of the Rosaceae family, apples, pineapples, mangoes, kumquats, melons, pomegranates, plums, apricots, blueberries, plants of the Fragaria genus (Rosaceae family), raspberries, bananas, and grapes, peppermint plants of the Mentha genus (Lamiaceae family) (peppermint, Japanese mint, apple mint, water mint, Corsican mint, pennyroyal mint, etc.), spearmint plants of the Mentha genus (Lamiaceae family) (spearmint, horse mint, green peppermint, chili peppermint, ginger mint, etc.), catnip,
Suitable ingredients for providing a pleasant aroma to the user include at least one selected from lemon balm, savory, hyssop, and above-ground stems and leaves of plants of the genus Nicotiana and Nicotiana species of the Solanaceae family, but are not limited to these.

The crushed and dried plant material is classified into three types: fragrance, which is defined as the scent emitted from the aroma cartridge 100 itself; aroma, which is defined as the scent that wafts into the air when the aroma cartridge 100 is heated; and
It is preferable that the aroma cartridge 100 has three flavor elements, which are defined as the aroma that wafts through the mouth when the aroma cartridge 100 is heated and inhaled together with the aerosol.

The crushed and dried plant material constituting the fragrance (hereinafter also referred to as the fragrance material) preferably contains at least one selected from Chinese tea, black tea, rose, Oleaceae family, Osmanthus species, lavender, saffron flowers, and above-ground stems and leaves of Nicotiana species, Solanaceae family.

The crushed and dried plant material that constitutes the aroma (hereinafter also referred to as aroma material) preferably contains at least one selected from the underground stems of scallions, shallots, garlic, onions, and konjac, and the above-ground stems and leaves of plants of the genus Nicotiana and Nicotiana species of the family Solanaceae.

The crushed and dried plants that make up the flavor (hereinafter also referred to as flavor materials) include Chinese quince, plants of the genus Citrus in the Rutaceae family (bitter orange, satsuma mandarin, summer orange, ponkan,
Hassaku, Iyokan, Ichan lemon, Trifoliate orange, Orange, Mandarin orange, Kabosu, Kishu mikan, Quinot, Grapefruit, Koji, Sanboukan, Citron, Jabara, Sudachi, Tachibana, Tangor, Natsumikan, Hanayuzu, Hyuganatsu, Hirami lemon (Shikwasa), Buntan (Pomelo), Yuzu, Lime, Lemon, Kaffir lime, etc.), plants of the Peach genus (Peach species) of the Rosaceae family, apples, pineapples, mangoes, kumquats, melons, pomegranates, plums, apricots, blueberries, plants of the Fragaria genus (Rosaceae family), raspberries It is preferable that the above-ground stems and leaves of the following plants are selected from the group consisting of berries, bananas, grapes, peppermint-type plants of the genus Mentha in the family Lamiaceae (peppermint, Japanese mint, apple mint, water mint, Corsican mint, pennyroyal mint, etc.), spearmint-type plants of the genus Mentha in the family Lamiaceae (spearmint, horse mint, green mint, chili mint, ginger mint, etc.), catnip, lemon balm, savory, willow mint (hyssop), and Nicotiana tabacum in the family Solanaceae.

(Aerosol former)
The aerosol former is added to generate an aerosol when the fragrance base material 20 is heated. Examples of the aerosol former that can be used include glycerin, propylene glycol, sorbitol, triethylene glycol, lactic acid, diacetin (glycerin diacetate), triacetin (glycerin triacetate), triethylene glycol diacetate, triethyl citrate, isopropyl myristate, methyl stearate, dimethyl dodecanedione, and dimethyl tetradecanedione, with glycerin and propylene glycol being particularly preferred.

(Thermal melting substances)
The heat-melting substance is added to dissolve at a relatively low temperature to dissolve and vaporize the fragrant components generated from the fragrance base material 20, and to facilitate the dispersal of the fragrant components together with the aerosol former. The heat-melting substance also plays a role in fixing the fragrant source material and/or the fragrant agent at room temperature.

The heat-fusible substance has a melting point in the range of 50 to 100° C., preferably in the range of 50 to 80° C., and more preferably in the range of 60 to 67° C. If the melting point of the heat-fusible substance is less than 50° C., the heat-fusible substance may melt and become sticky during high temperature periods such as summer. If the melting point of the heat-fusible substance is more than 100° C., the heat-fusible substance is not sufficiently melted in the early stages of the temperature rise process of the aroma base material, and the aroma of the aerosol immediately after the end of the temperature rise process by the heated tobacco tends to be insufficient.

The melting point of the heat-melting substance can be measured, for example, in accordance with the method for measuring the melting point of paraffin wax specified in JIS K 2235. That is, a specified melting point tester is used, a molten sample is placed in a test tube, the readings of a melting point measuring thermometer are read every 15 seconds, and the temperature at which the temperature drop is within a certain range (when the difference is within 0.1°C five times in a row) can be measured as the melting point.

The heat-melting substance is preferably in powder form. The average particle size of the heat-melting substance is 125 to 35.
It is preferably 5 μm, more preferably 150 to 300 μm, and more preferably 180 to
It is even more preferable that the average particle size is 250 μm. The average particle size can be measured, for example, by a laser diffraction particle size distribution measuring device. The average particle size in the present invention means the median diameter.

If the average particle size of the thermally melting substance is too large, the total surface area is reduced, so that the opportunity for contact with the heat source is reduced. As a result, the thermally melting substance is not melted sufficiently, and the concentration of the aromatic component in the aerosol immediately after the end of the heating process tends to decrease.

If the outer diameter of the thermally fusible substance is too small, it becomes difficult to form a sea-island structure in which the thermally fusible substance is dispersed in the fragrance base material 20 described below. As a result, each of the thermally fusible substances is present in the fragrance base material 20 as an aggregated mass, and therefore there is a tendency for regions to be formed in which the melting rate due to contact with the heat source is reduced, and for the concentration of the aromatic component in the aerosol immediately after the end of the heating process to be reduced. The thermally fusible substance is preferably contained in the fragrance base material 20 in an amount of 2 to 20% by mass, preferably 3 to 15% by mass, and more preferably 5 to 15% by mass.

The blending amounts of the aroma source material, the aerosol former and the thermal melting substance are set to 55-75% by mass, 20-40% by mass and 2-10% by mass, respectively, in order to balance the volatilization amounts of the smoke components and the aroma components.
5% by mass is preferable, 60 to 70% by mass, 25 to 35% by mass, 3 to 10% by mass is preferable.
It is more preferable that:

The thermally melting substance is not particularly limited as long as it is an "organic compound that exhibits a melting point or softening point and becomes a non-Newtonian fluid when heated." The thermally melting substance is preferably an organic compound generally called wax, and representative examples of wax include petroleum-based natural wax, synthetic wax, plant-based natural wax, and animal-based natural wax. In addition, various tackifiers (tackifiers) including rosin, which is also used as wax, can be used. These can be used alone or as a mixture containing at least one selected from these.

As the heat-melting substance, natural waxes of plant origin or natural waxes of animal origin are preferably used in terms of having a preferable melting point and imparting a flavor. As natural waxes of plant origin, for example, wax of goby, lacquer wax, carnauba wax, sugarcane wax, palm wax, candelilla wax, etc. can be used. As natural waxes of animal origin, beeswax, spermaceti, privet wax, wool wax, shellac, etc. can be used. These waxes are easy to obtain with a melting point in the range of 50 to 100°C as specified in the present invention, and have a preferable flavor in themselves, so that the aroma of the aerosol can be enhanced. Among these natural waxes, carnauba wax, beeswax, petrolatum, and paraffin wax are particularly preferable, and beeswax, which has a melting point of 62 to 65°C and is rich in aromatic components, is the most preferable.

The main components of natural waxes from plants and animals are esters of fatty acids and fatty alcohols. Natural waxes from plants and animals are mixtures of esters of fatty acids with various carbon numbers and fatty alcohols, and also contain free fatty acids, free fatty alcohols, hydrocarbons, etc. Therefore, natural waxes from plants and animals are characterized by a wide molecular weight distribution, a wide melting point temperature range, and high viscosity when melted.

Petroleum-based natural waxes are hydrocarbon compounds, and therefore have the advantage of having little interaction with aromatic components and aerosol formers and little adverse effect on flavor. For example, petroleum-based natural waxes that can be preferably used include vaseline, paraffin wax, microcrystalline wax, and the like.

These petroleum-based natural waxes have different melting points based on their molecular structure. Vaseline is a mixture of branched and alicyclic hydrocarbons, and its melting point range is 36 to 60°C.
It is spacious.
Paraffin wax is mainly composed of linear hydrocarbons, has high crystallinity, and is stable at 40 to 70°C.
Most of them have a melting point of 0.01 mm or less, and the melting point temperature range is narrow.

Microcrystalline wax is a mixture of branched hydrocarbons and saturated cyclic hydrocarbons, and has low crystallinity but high molecular weight. It has the highest melting point of 60 to 90°C among these.
The range of melting points is also the second widest after Vaseline.

These petroleum-based natural waxes are all hydrocarbon compounds extracted from crude oil. Paraffin wax and microcrystalline wax have low melt viscosity and surface energy when thermally melted, and also have little interaction with aromatic components and aerosol formers.

Examples of such paraffin wax include standard products such as Paraffin Wax-115, 120, 125, 130, 135, 140, and 145 manufactured by Nippon Seiro Co., Ltd.
, 150, and 155, all of which are preferably used. Special paraffin waxes, such as HNP series products, which are high-purity refined paraffin waxes specially manufactured by Nippon Seiro Co., Ltd., SP series products for specific applications, and EMW series products, which are mainly composed of isoparaffin manufactured by a special manufacturing method, are also preferably used. Microcrystalline waxes include
For example, any of the Hi-Mic series manufactured by Nippon Seiro Co., Ltd. can be preferably used.

Synthetic waxes include, for example, Fischer-Tropsch
psch) wax, polyethylene (PE) wax, modified PE wax, polypropylene (PP) wax, modified PP wax, fatty acid amide, fatty acid, aliphatic alcohol, polyoxyalkylene glycol, polyoxyethylene alkyl ether, polyoxyethylene alkyl amine, etc. can be preferably used.

In particular, since Fischer-Tropsch wax is a linear hydrocarbon-based organic compound,
It has low melt viscosity and surface energy when thermally melted, and also has little interaction with aerosol formers and aromatic components. As the Fischer-Tropsch wax, a medium melting point product such as C80 (melting point: about 85 to 88° C.) can be used.

In addition, PE wax and modified PE wax, and PP wax and modified PP wax are also hydrocarbon compounds and can be preferably used. Specifically, "HIWAX (registered trademark)" manufactured by Mitsui Chemicals, Inc., "SANWAX" manufactured by Sanyo Chemical Industries, Ltd.,
"Viscol" and other BYK products such as "CERAFAK (registered trademark) 929, 950, 913, 9
14, 915" and the like can be preferably used.

In particular, metallocene-catalyzed polyolefin waxes are more preferred because they have a narrow molecular weight distribution. For example, the metallocene-catalyzed PE wax "Excelex (registered trademark)" manufactured by Mitsui Chemicals, Inc. has a melting point of 89 to 128°C because of its narrow molecular weight distribution and composition distribution, but has a low melt viscosity when thermally melted, making it an excellent polyolefin wax.

In addition to the above, fatty acid amides, fatty acids, fatty alcohols, etc. can also be used as the heat-melting substance. As fatty acid amides, monoamides and bisamides are suitable. As monoamides, stearic acid monoamide, oleic acid monoamide, and erucic acid monoamide are preferred, as they have melting points of about 72 to 105°C.

The aroma cartridge 100 of the present invention can also contain other physiologically active substances such as catechin, caffeine, theanine, etc., refreshing agents such as menthol, flavorings such as coffee extract, fragrances, etc.

(Caffeine)
Caffeine is the most characteristic component of coffee, and is also found in many foods such as tea, cocoa, and cola. Caffeine is widely known to have stimulating effects such as waking up from drowsiness, and a diuretic effect that promotes urinary excretion. In addition, various other effects have been revealed, such as "enhancing autonomic nerve function,""increasing concentration and improving work ability," and "improving athletic ability." By including caffeine, it is possible to refresh the user who inhales the aerosol, wake them up from drowsiness, and provide the user with an antipyretic and analgesic effect.

Caffeine is preferably contained in an amount of 1 to 50 mg, more preferably 5 to 30 mg, and even more preferably 10 to 20 mg in one aroma cartridge 100. Caffeine can also be added as a component contained in coffee extract as a flavoring agent, which will be described later.

(Theanine)
Theanine can be contained in the aroma base material 20 using, for example, an extract of tea leaves extracted with hot water, green tea leaf powder, green tea leaf extract, green tea leaf flavoring, etc. By including theanine in the aroma base material 20, the sympathetic nerve activity of the user who inhales the aerosol can be suppressed, resulting in relaxation.

The aroma base material 20 of one aroma cartridge 100 may contain 10 to 100 mg, preferably 20 to 80 mg, and more preferably 30 to 60 mg of theanine in order for a user with a low anxiety tendency to obtain a relaxing effect. The aroma base material 20 of one aroma cartridge 100 may contain 20 to 120 mg, preferably 30 to 100 mg, and more preferably 40 to 80 mg of theanine in order for a user with a high anxiety tendency to obtain a relaxing effect.

Theanine is preferably contained in the aromatic base material 20 at 3.3 to 33% by mass, more preferably at 6.6 to 26% by mass, in order for a user with low anxiety tendency to obtain a relaxing effect.
It is more preferable that the theanine content be 0 to 24% by mass. In order for a user with a high tendency towards anxiety to obtain a relaxing effect, it is preferable that the theanine content be 6.6 to 10% by mass, more preferably 10 to 33.3% by mass, and even more preferably 13.3 to 26.6% by mass, relative to the fragrance base material 20. When the theanine content is 100% by mass or more relative to the fragrance base material 20, for example, it is preferable that the theanine be enclosed in a capsule and contained in the fragrance cartridge 100.

(Freshening agent)
Examples of the cooling agent include menthol, menthol derivatives, menthone, menthone derivatives, menthane carboxylic acid amide, 2,3-dimethyl-2-(2-propyl)-butyric acid derivatives, menthane, menthane derivatives, L-carvone, xylitol, eucalyptus essential oil, peppermint oil,
Spearmint essential oil, spilanthol, etc. can be used.

(Ingredients extracted from coffee)
The components extracted from coffee preferably include coffee aroma components such as caffeine, pyridine, methylpyrazine, acetic acid, furfuryl alcohol, cyclotene, 1H-pyrrolecarbaldehyde, hydroxypyridine, hydroxyacetone, furfural, methylfurfural, and maltol.

Examples of ingredients extracted from coffee include coffee bean powder, coffee extract, coffee flavoring, and green coffee extract.

The components extracted from coffee are contained in the aroma base material 20 of one aroma cartridge 100.
It is preferable that the amount is 3 to 60 mg, more preferably 1.5 to 30 mg, and even more preferably 3 to 15 mg.

The component extracted from coffee may be contained in the aroma base material 20 in an amount of 0.1 to 20% by mass, preferably 0.5 to 10% by mass, and more preferably 1 to 5% by mass.

(Fragrance)
The flavorings can be natural, synthetic, or compounded flavorings. They can also be used as flavors (food additives) or fragrances (cosmetic flavorings).

The types of fragrances of the fragrances include citrus, floral, fruit, milk, chypre, oriental, (luxury) food and beverage, ready-made (luxury) smoking accessories, vanilla, mint, sweetener, spice, nut, and alcoholic beverages.

Among them, citrus, fruit, mint, and other refreshing flavors; chocolate,
Preferred are flavors that give a relaxing effect, such as flavors for (private) foods and beverages, such as milk and coffee; flavors that give a sweet effect, such as vanilla, floral, and sweetener flavors; and the like.

(Sorbent)
In the present invention, it is preferable to use a sorbent in order to prevent the freshening agent, fragrance, etc. from volatilizing before the temperature of the aroma base material 20 reaches the optimum temperature for volatilizing the aerosol former and the aroma source material. As described above, the sorbent can retain the aromatic agent, such as the freshening agent or fragrance, in the heated aroma generating material 20.

As a preferred embodiment of the sorbent, the compound is adsorbed to the aroma-generating substrate 2.
For example, when the compound is menthol, menthol has a phenolic hydroxyl group. Therefore, the sorbent can be, for example, crosslinked polyvinylpyrrolidone (PVPP:
Polyvinylpolypyrrolidone (PVP)
Hydrophilic crosslinked polymers such as the above can be used.

For example, when the compound is nicotine, nicotine has a nitrogen-containing five-membered heterocyclic compound, and therefore, as the sorbent, crosslinked PVP that is believed to form an interaction with the nitrogen-containing five-membered heterocyclic compound can be used.

When crosslinked PVP and/or PVP is used as the sorbent, the sorbent is preferably contained in an amount of 4 to 25 mass%, and more preferably 5 to 20 mass%, relative to 100 mass% of the total amount of the fragrance source material, the aerosol former, and the heat-melting substance.

As the sorbent, a sorbent that encapsulates the compound and thereby retains it in the aroma-generating substrate 20 can be used. Cyclodextrin can be used as such a sorbent.

Cyclodextrin is known to form inclusion compounds with chemical substances having hydroxyl groups or carboxyl groups of various sizes, and any of α-, β-, and γ-cyclodextrin can be used. In particular, β-cyclodextrin forms an inclusion compound with menthol and is optimal as a sorbent for menthol.

When cyclodextrin is used as the sorbent, the sorbent is preferably contained in an amount of 0.1 to 1.2 mass%, and more preferably 0.2 to 1.0 mass%, relative to 100 mass% of the total amount of the fragrance source material, the aerosol former, and the thermally melting substance.

The sorbent also plays a role in adsorbing and retaining physiologically active substances such as catechin, caffeine, and theanine.
More preferably, the sorbent contains both PVPP and cyclodextrin.

(Forming agent)
The molding agent is used to reinforce the physical strength of the fragrance base material 20. Examples of the molding agent include:
For example, cellulose fibers, microcrystalline cellulose, etc. can be used.

As the cellulose fibers, for example, cellulose fibers from sugar cane, bamboo, wheat, rice, esparto, jute, hemp, wood, etc. are preferably used. The fiber diameter of these cellulose fibers is preferably 5 to 25 μm, and the fiber length is preferably 0.25 to 6 mm. By using cellulose fibers with a fiber diameter and fiber length in these ranges, it is possible to enhance the effect of binding the components of the fragrance base material 20.

Moreover, the microcrystalline cellulose preferably has an average particle size of 70 to 120 μm. If the average particle size of the microcrystalline cellulose is less than 70 μm, it tends to be difficult to suppress the shrinkage of the fragrant base material 20 and to prevent adhesion between the fragrant base material 20 and the molding machine. If the average particle size of the microcrystalline cellulose exceeds 120 μm, the fragrant base material 20 tends to be easily broken. The average particle size of the microcrystalline cellulose can be measured by a laser diffraction particle size distribution measuring device. In the present invention, the average particle size means the median diameter.

The mass average molecular weight (Mw) of the microcrystalline cellulose is preferably 20,000 to 60,000. If the mass average molecular weight (Mw) of the microcrystalline cellulose is less than 20,000, the effect of suppressing the shrinkage of the fragrant base material 20 tends to be poor. If the mass average molecular weight (Mw) of the microcrystalline cellulose is more than 60,000, the fragrant base material 20 tends to be easily broken.

The molding agent is, relative to 100% by mass of the total amount of the fragrance source material, the aerosol former, and the heat-melting substance,
The content of the molding agent is preferably 2 to 25% by mass, and more preferably 3 to 20% by mass. By including the molding agent in the fragrance base material 20 in such a manner, the above-mentioned function can be achieved and the molding agent can be prevented from being a hindrance to the generation of volatile matter from the fragrance source material and the aerosol former.

(Binder)
The binder is used to bind the raw materials constituting the fragrance base material, such as the fragrance source material, the aerosol former, the heat-melting substance, etc. Examples of the binder that can be used include polysaccharide-based polymers, cellulose-based polymers, calcium carbonate, etc.

Examples of polysaccharide polymers that can be used include konjac mannan (glucomannan), guar gum, pectin, carrageenan, tamarin seed gum, gum arabic, soybean polysaccharides, locust bean gum, karaya gum, xanthan gum, agar, etc. From the viewpoint of strength and the above-mentioned moldability, the polysaccharide polymers that can be used include glucomannan, guar gum, pectin, carrageenan, tamarin seed gum, locust bean gum, karaya gum, and
Xanthan gum is preferred, and the neutral polysaccharides glucomannan, guar gum, tamarin seed gum, and locust bean gum are more preferred.

Examples of cellulose-based polymers include carboxymethyl cellulose (CMC), carboxyethyl cellulose, hydroxymethyl cellulose, hydroxyethyl cellulose,
Hydroxypropyl cellulose, the sodium salt of CMC, the potassium salt of CMC, the calcium salt of CMC, the sodium salt of carboxyethyl cellulose, the potassium salt of carboxyethyl cellulose, the calcium salt of carboxyethyl cellulose, and the like can be used.
From the viewpoint of the strength and moldability of the aromatic base material 20, the cellulose-based polymer is preferably a sodium salt of CMC, a potassium salt of CMC, a sodium salt of carboxyethyl cellulose, or a potassium salt of carboxyethyl cellulose.

As the binder, it is preferable to use a polysaccharide-based polymer in combination with a cellulose-based polymer. In this case, it is preferable to use glucomannan, guar gum, tamarin seed gum, or locust bean gum as the polysaccharide-based polymer. In addition, it is preferable to use a sodium salt of CMC, a potassium salt of CMC, a sodium salt of carboxyethyl cellulose, or a potassium salt of carboxyethyl cellulose as the cellulose-based polymer. In this way,
By using a polysaccharide-based polymer and a cellulose-based polymer in combination, the strength and moldability of the fragrant base material 20 can be improved.

The binder is preferably contained in an amount of 5 to 30% by mass, and more preferably 8 to 28% by mass, relative to 100% by mass of the total amount of the fragrance source material, the aerosol former, and the heat-melting substance. By containing the binder in such an amount in the fragrance base material 20, the strength and moldability of the fragrance base material 20 can be improved, and adverse effects on the generation of volatile matter from the fragrance source material and the aerosol former can be avoided.

It is also preferred that both a binder and a molding agent are contained in the fragrant base material 20 of the present invention. In this case, the blending ratio of the binder to the molding agent is preferably 1:1 to 1:25 by mass in terms of the binding effect.

(Preservatives)
In order to preserve the heated aroma generating cartridge for a long period of time, a preservative may be used. For example, potassium sorbate and/or sodium benzoate may be used as the preservative. The preservative is preferably contained in an amount of 0.005 to 0.04% by mass relative to 100% by mass of the total amount of the aroma source material, the aerosol former, and the thermal melting substance.

Next, a method for producing the aromatic substrate 20 will be described. Fig. 5 shows one embodiment of the process for producing the aromatic substrate 20. As shown in Fig. 5, a mixing step is performed in which raw material (A) including a fragrance material which is a ground and dried product of a plant constituting a fragrance, a flavor material which is a ground and dried product of a plant constituting a flavor, and raw material (B) including an aroma material which is a ground and dried product of a plant constituting an aroma are mixed. The mixing step is performed below the melting point of the heat-melting substance. The mixing step can be performed, for example, using a known mixer.

Raw material (A) is obtained by mixing and maturing raw material (A1) containing a fragrance material which is a ground and dried product of plants which constitute the fragrance, raw material (A2) containing a flavor material which is a ground and dried product of plants which constitute the flavor and a heat-melting substance, raw material (A3) containing an alcohol-based solution of microcrystalline cellulose, an alcohol-based solution of a binder and an alcohol-based solution of a sorbent, and raw material (A4) containing an aerosol former, an aromatic and a molding agent.

The mixing of the raw materials (A1) to (A4) is carried out at a temperature below the melting point of the heat-melting substance.
This mixing step can be carried out, for example, using a known mixer.

Raw material (A1) is obtained by sterilizing the fragrance material and then crushing it.

The raw material (A2) is obtained by sterilizing a mixture of a flavoring material and a heat-melting substance, followed by pulverization. Specifically, as shown in FIG. 6, the flavoring material is sterilized and then pulverized to a predetermined size. Also, a powdered heat-melting substance is heated and mixed at a temperature equal to or higher than the melting point of the heat-melting substance, cooled, and then pulverized to a predetermined size. The pulverized product and a powdered flavoring material are compressed and sheared mixed, cooled, and then pulverized to prepare the raw material (A2).

The raw material (A3) is obtained by mixing an alcoholic solution of microcrystalline cellulose, an alcoholic solution of a binder, and an alcoholic solution of a sorbent (crosslinked polyvinylpyrrolidone and/or polyvinylpyrrolidone). The alcoholic solution is a mixture of pure water and ethanol.

The raw material (A4) is obtained by mixing an aerosol former, an aromatic agent, and a molding agent.

The aging is preferably carried out for 3 to 14 days at a temperature of 15 to 30° C. From the viewpoint of retaining the aromatic components, the aging is more preferably carried out for 4 to 7 days at a temperature of 20±2° C. If the temperature exceeds 30° C. or the aging period exceeds 14 days, the possibility of mold growth or spoilage tends to increase.

The raw material (B) is a raw material containing an aromatic material, which is a crushed and dried product of a plant that constitutes an aroma.
The raw material (B1) is mixed with a raw material (B2) containing a preservative.
The mixing of (B1) and (B2) can be carried out, for example, by using a known mixer.

The raw material (B1) is obtained by sterilizing an aromatic material and then pulverizing it.
The raw material (B2) is obtained by dissolving a preservative in pure water.

By carrying out the mixing step of mixing raw material (A) and raw material (B) in this manner, a sea-island structure can be formed in which the powder of the heat-fusible substance mixed with the fragrance source material is dispersed in the fragrance base material 20.

Next, the mixture obtained in the mixing step is compressed and sheared to form a sheet. The compression and shearing can be performed, for example, using a three-roll machine. By performing the compression and shearing process using a three-roll machine, the mixture can be formed into a sheet while incorporating air and evaporating water.

The sheet obtained in this manner has a porous structure containing air inside, which makes it possible to obtain a low-density fragrance substrate 20. In addition, since the rolls of the triple roll mill have an extremely flat surface, the surface of the sheet is formed to be flat.

That is, the aromatic base material 20 has a porous structure containing air therein due to the compression and shear processing, and therefore has a low density and a flat surface without irregularities.

The mixture formed into a sheet by compression and shear processing is cut into a predetermined shape and size in a cutting step. The sheet-like mixture is processed into, for example, a rectangular shape.

In this way, by carrying out the mixing process, compression/shearing process and cutting process below the melting point of the heat-melting substance, it is possible to prevent the melting of the heat-melting substance from spreading throughout the entire aromatic base material 20, and to maintain the sea-island structure of the heat-melting substance in the aromatic base material 20.

When a sea-island structure is formed in which the powder of the thermally fusible substance mixed with the fragrance source material is dispersed in the fragrance base material 20, the thermally fusible substance is dispersed and arranged in the form of islands in the fragrance base material 20.

The thermally fusible substance is more likely to flow when melted and the aromatic components generated from the aromatic source material are more easily contained when the thermally fusible substance is dispersed in the aromatic substrate 20 in the form of islands than when the thermally fusible substance is impregnated in the aromatic source material. In addition, the flowing thermally fusible substance comes into contact with the aerosol former, and the aromatic components can be easily turned into aerosol together with the aerosol former and volatilized.

As a result, the aromatic components of the aromatic source material can be efficiently volatilized, and the user can enjoy the aroma more fully when inhaling the aerosol emitted from the aroma cartridge 100 immediately after the heating process of the heated tobacco product is completed.

The thermally fusible substance may be added to raw material (B). Fig. 7 shows another embodiment of the process for producing the aromatic base material 20. As shown in Fig. 7, when the thermally fusible substance is added to raw material (B), it may be added to raw material (B1), for example.

As described above, the aroma cartridge 100 of the present invention makes it possible to reduce the airflow resistance in the axial direction of the cover 10. This makes it possible to improve the ease of inhaling the aerosol generated from the aroma base material 20. In addition, since the aerosol and air can be mixed in an appropriate ratio, it is possible to improve the flavor.

[Embodiment 2]
The aroma cartridge 100 of the second embodiment differs from the aroma cartridge 100 of the first embodiment in that a restricting member is used to restrict the axial movement of the cover 10 of the aroma base material 20. The same components as those of the aroma cartridge 100 of the first embodiment are denoted by the same reference numerals and will not be described.

8, the restricting member 60 is provided in contact with the fragrant substrate 20 of the two fragrant substrates 20 that is disposed closest to the base end of the cover 10. In this embodiment, the restricting member 60 is formed in a substantially cylindrical shape and has one or more air passages 61 that penetrate in the axial direction. Therefore, the restricting member is air permeable in the axial direction of the cover 10.

In this embodiment, the ventilation passage 61 is defined by four concave grooves formed circumferentially and axially at equal intervals on the outer peripheral surface of the restricting member 60 and by the inner peripheral surface of the cover 10 .

Furthermore, the ventilation passage 61 may be composed of, for example, one or more through holes formed so as to penetrate in the axial direction from one end face to the other end face of the restricting member 60. The ventilation passage 61 may be composed of, for example, a central ventilation passage formed along the axis of the restricting member 60, and a plurality of ventilation passages 41 arranged in the circumferential direction to surround the central ventilation passage and similarly formed so as to penetrate in the axial direction.

The restricting member 60 may be formed of a honeycomb structure having partition walls with a hexagonal end face shape and a plurality of air passages penetrating in the axial direction. Furthermore, the restricting member 60 may be formed of a porous body having open cells, for example.

The restricting member 60 is disposed on one or both end faces of the cover 10 in the axial direction, preferably on the fragrance substrate 2.
It is preferable that the end face disposed on the 0 side has a shape capable of restricting the movement of the fragrant substrate 20 in the axial direction of the cover 10 when the electric heating means of the heat-not-burn tobacco is inserted. Here, the shape capable of restricting the movement of the fragrant substrate 20 in the axial direction of the cover 10 may be, for example, a shape that restricts the movement of the material of the fragrant substrate 20 to an extent that does not cause practical problems.

The restricting member 60 is formed in this manner, so that the restricting member 60 restricts the movement of the fragrant base material 20 towards the other end. In other words, the restricting member 60 can support the fragrant base material 20.

In addition, the restricting member 60 can cool the high-temperature aerosol containing the aromatic component generated from the aromatic substrate 20 when the aerosol passes through the restricting member 60.
The restricting member 60 is formed from a material having heat resistance according to the combustion temperature or heating temperature of the aroma cartridge 100. For example, when the aroma cartridge 100 is a cartridge for a heated tobacco product, the restricting member 60 is preferably formed from a material having heat resistance of about 180 to 400°C.

Examples of such materials include paper, resin, rubber, wood, metal, and ceramic, but resin that can be molded into various shapes is more preferable.

The resin may be either a thermoplastic resin or a thermosetting resin, and examples of the resin include polyolefin resins, polyester resins, polystyrene resins, nylon resins, acrylic resins, silicon resins, fluorine resins, polyurethane resins, ethylene vinyl acetate (EV
Examples of suitable resins include A)-based resins, phenol-based resins, amino-based resins, ABS-based resins, and biodegradable plastics. Among these resins, biodegradable plastics are preferred from the viewpoint of protecting the natural environment, since the aroma cartridge 100 becomes waste after use.

An example of a biodegradable plastic is poly(3-hydroxybutyrate) (PHB).
, poly(ε-caprolactone) (PCL), poly(butylene succinate) (PBS),
and polylactic acid (PLA).

According to this embodiment, the fragrant base material 20 disposed closest to the base end of the cover 10 can be held at a predetermined position within the cover 10 by the restricting member 60. As a result,
When the aroma cartridge 100 is attached to the heated tobacco product 50 , the aroma substrate 20 can be held in a position suitable for heating by the electrical heating means 52 .

[Embodiment 3]
The aroma cartridge 100 of the third embodiment differs from the aroma cartridges 100 of the first and second embodiments in that a lid material is used to prevent the aroma base material 20 from flowing out from the cover 10 .
The same components as those in the aroma cartridge 100 of the first and second embodiments are designated by the same reference numerals and will not be described.

9, the scented substrate 20' in this embodiment may be an aggregate of granular components. In this embodiment, the scented substrate 20' is formed into a cylindrical shape as a whole by the granular components.

A lid member 70 is provided on the tip side of the cover 10 to close the opening on the tip side of the cover 10. The lid member 70 has air permeability in the axial direction of the cover. The air permeability needs to be at least the air permeability required for smoking, and preferably has the same degree of air permeability as the filter 30, for example.

The lid material 70 can be formed, for example, from a paper material such as Japanese paper, a porous material, a honeycomb structure, a mesh structure, or the like.

According to this embodiment, the lid member 70 closes the opening at the tip end side of the cover 10, so that the fragrant base material 20' can be prevented from flowing out through the opening of the cover 10.

[Embodiment 4]
The aroma cartridge 100 of the fourth embodiment differs in the shape of the partition from the aroma cartridges 100 of the first to third embodiments. The same components as those in the aroma cartridges 100 of the first to third embodiments are denoted by the same reference numerals and will not be described.

10, the partition 42 is formed in a cotton-like shape. The partition 42 is formed in a mass by intertwining fibers (either natural fibers or synthetic fibers may be used) having heat resistance according to the temperature range (e.g., 180 to 400°C) to be heated by the electric heating means of the heat-not-burn tobacco. The partition 42 has airflow resistance at least equal to that of the filter 30 in the axial direction of the cover 10.

The shape of the partition is not limited to this, and for example, two disk-shaped partitions 43 may be used as shown in Fig. 11. Each of the partitions 43 has a through hole 44 formed in the thickness direction at the center. Each of the partitions 43 can be fixed to the wrapping paper 11 by, for example, an adhesive. Therefore, the partitions 43 have at least the same level of airflow resistance as the filter 30 in the axial direction of the cover 10.

[Test Example 1] (Sensory evaluation of breathability)
Fragrance cartridges in which two fragrant substrates 20 were arranged at a predetermined distance in the axial direction of the cover 10 were prepared as Examples 1 and 2, and a fragrance cartridge in which the fragrant substrate 20 was provided over the entire heating region R1 was prepared as Comparative Example 1, and the aerosol breathability of both was evaluated.

(Sample Preparation: Example 1, Example 2, Comparative Example 1)
The aroma cartridges 100 of Examples 1 and 2 and Comparative Example 1 were produced with the compositions shown in Table 1. Specifically, the basic compositions were aroma source materials (aroma materials, fragrance materials, and flavor materials), aerosol formers, and thermally melting substances. In Examples 1 and 2 and Comparative Example 1, the basic compositions were 65% by mass of aroma source materials, 25% by mass of aerosol formers, and 10% by mass of thermally melting substances.
It was decided.

To 100 parts by weight of the basic formulation, 15 parts by weight of fragrance, 23 parts by weight of binder, 21 parts by weight of sorbent, 0.005 parts by weight of preservative, and 20 parts by weight of pure water were added to prepare the aroma cartridge 100 of Example 1. Note that the pure water is added for the molding process, but is removed from the aroma base material by drying after the molding process.

The aroma source materials used were konjac powder as the aroma material for raw material (B1), black tea and osmanthus flowers as the fragrance materials for raw material (A1), and Gynostemma pentaphyllum as the flavor material for raw material (A3).

The aerosol former used as raw material (A4) was glycerin and propylene glycol.
Beeswax was used as the heat-melting substance of raw material (A2).
As the aromatic raw material (A4), peppermint oil and menthol were used.
The binder for raw material (A3) was CMC sodium salt and sugarcane fiber.
The sorbents used in the raw material (A3) were cross-linked polyvinylpyrrolidone and β-cyclodextrin.
As preservatives for raw material (B2), potassium sorbate and sodium benzoate were used.

The raw materials (A1) and (A2) were prepared in the manner shown in FIG.
) was obtained by sterilizing the fragrance material and then pulverizing it into powder. Raw material (A2) was prepared by roughly mixing the flavor material (manufactured by YUNNAN HANSU BIOTECHNOLOGY CO.,LTD, Production code: PR001) and the heat-melting substance in a Henschel mixer, compressing and shearing the mixture, cooling it to below 0°C, and pulverizing it. Raw materials (A1) and (A2) were used that were screened through an 80-mesh sieve to have an average particle size of about 250 μm.

In addition, in the embodiment shown in Figs. 5 and 6, the raw materials (A) and (B) are used to produce the aroma cartridge 1.
Specifically, a mixing step was carried out in which the raw materials (A) and (B) were mixed in a kneader.

Next, in Example 1 and Comparative Example 1, a compression and shearing process was carried out to form the mixture into a sheet using three rolls.
The beeswax was compressed and sheared at a temperature below the melting point of the beeswax.

Thereafter, a cutting process was carried out to cut the sheet. In the cutting process, the sheet was cut to a width of 1.5±0.1 mm and a length of about 240 mm for Example 1, and to a width of 1.5±0.1 mm and a length of about 240 mm for Comparative Example 1.

In Example 2, the pulverized raw material was impregnated with an aroma agent and a heat-melting substance, and the mixture was granulated so that the average particle size was 0.1 mm to 1.5 mm. The mixture is not necessarily a perfect sphere, and any shape is acceptable as long as it has a volume within the above-mentioned range of average particle size. The average particle size of the mixture can be measured by a laser diffraction particle size distribution measuring device. In the present invention, the average particle size of the mixture means the median diameter.

The thus obtained fragrant base material was wrapped in paper to a predetermined filling rate. In Examples 1 and 2, the fragrant base material was formed to have a length of 5.0 to 10.0 mm, and in Comparative Example 1, the fragrant base material was formed to have a length of 20.0 to 35.0 mm.

In Examples 1 and 2, the aroma base materials were arranged at intervals of 3.0 mm in the axial direction of the cover 10 to manufacture the aroma cartridge 100. In Example 2, the aroma cartridge 100 was manufactured by providing the lid member 70 that closes the opening on the tip side of the cover 10, as explained in the above-mentioned embodiment 3.

(Sensory Test)
Using a heated tobacco product, the aerosol breathability and flavor of the aroma cartridges 100 of Examples 1 and 2 and Comparative Example 1 were evaluated by a panel of 10 people.

Of the 10 panelists, 8 panelists were
It was evaluated that the aroma cartridge 100 of Comparative Example 1 had higher breathability and provided a better smoking experience (good aroma and flavor).

In addition, 8 out of 10 panelists did not like the aroma cartridge 100 of Example 2.
It was evaluated that the aroma cartridge 100 of Example 1 had higher breathability and provided a better smoking experience (good aroma and flavor).

Reference Signs List 100 Aroma cartridge 10 Cover 20 Aroma substrate 30 Filter 40 Partition 50 Heat-not-burn tobacco 52 Electric heating means R1 Heating region

Claims (2)

The present invention comprises a cylindrical cover containing an aroma base material which generates an aerosol containing an aroma component when heated, a partition wall formed in a hollow cylindrical shape and having a through hole formed penetrating from one end to the other end, a cylindrical restricting member formed in a cylindrical shape and having an air passage penetrating in the axial direction, and a filter,
the aromatic base material, the partition wall, the restricting member and the filter are arranged along the axial direction from one end side to the other end side of the cover,
the fragrant base material is provided at a plurality of locations at predetermined intervals in the axial direction of the cover,
The cover has one or more partition walls provided adjacent to the fragrant base materials between the two fragrant base materials arranged close to each other,
The fragrance base material includes a fragrance and calcium carbonate,
The cover has a lid member that closes the tip side of the cover when the side on which the aromatic base material is arranged is defined as the tip side, and is made of a porous material that has air permeability in the axial direction of the cover.
The aromatic cartridge is characterized by: The aroma cartridge is heated by an electrical heating means of an inhalation device having an electrical heating means, the electrical heating means including an induction heating element.
An aroma cartridge for generating the aerosol according to claim 1.