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WO2023188323A1 - Unité d'atomisation, procédé de fabrication associé et dispositif d'inhalation - Google Patents

Unité d'atomisation, procédé de fabrication associé et dispositif d'inhalation Download PDF

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Publication number
WO2023188323A1
WO2023188323A1 PCT/JP2022/016687 JP2022016687W WO2023188323A1 WO 2023188323 A1 WO2023188323 A1 WO 2023188323A1 JP 2022016687 W JP2022016687 W JP 2022016687W WO 2023188323 A1 WO2023188323 A1 WO 2023188323A1
Authority
WO
WIPO (PCT)
Prior art keywords
flavor
molded body
liquid
tobacco
nicotine
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/JP2022/016687
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English (en)
Japanese (ja)
Inventor
光史 松本
信哉 大須賀
学 山田
拓也 岡田
亮祐 長瀬
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Japan Tobacco Inc
Original Assignee
Japan Tobacco Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Japan Tobacco Inc filed Critical Japan Tobacco Inc
Priority to PCT/JP2022/016687 priority Critical patent/WO2023188323A1/fr
Publication of WO2023188323A1 publication Critical patent/WO2023188323A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/10—Devices using liquid inhalable precursors
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/40—Constructional details, e.g. connection of cartridges and battery parts
    • A24F40/42—Cartridges or containers for inhalable precursors
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/70—Manufacture

Definitions

  • the present invention relates to an atomization unit, a method for manufacturing the same, and a suction tool.
  • an atomizing unit used in a suction tool includes a liquid storage part that stores a predetermined liquid, and an electrical unit that atomizes the introduced liquid and generates an aerosol.
  • An atomizing unit which is characterized in that it has a load, stores powder of tobacco material such as tobacco leaves in the liquid of this liquid storage part, and disperses the powder of tobacco material. (For example, see Patent Document 1).
  • Patent Document 2 discloses a configuration of an atomization unit included in a suction tool having a basic configuration.
  • Patent Document 3 discloses information regarding tobacco leaf extract.
  • Non-Patent Document 1 discloses a technology related to nicotine.
  • the present invention has been made in view of the above, and one of its objects is to provide a technique that can suppress deterioration of the load on the atomization unit.
  • an atomization unit of a suction device includes a liquid storage section that stores an aerosol generation liquid containing nicotine, and the aerosol generation liquid in the liquid storage section is introduced. and an electrical load that atomizes the introduced aerosol-generating liquid to generate an aerosol; and a flavor molded body that is disposed inside the liquid storage section and includes a non-tobacco base material; The molded body is coated with a coating material containing a flavor component.
  • the flavor molded body molded into a predetermined shape is arranged inside the liquid storage section, and the flavor molded body and the electrical load of the atomization unit are physically separated. Therefore, substances such as tobacco materials that can become deposits can be prevented from adhering to the load of the atomization unit. Thereby, it is possible to suppress deterioration of the load on the atomization unit.
  • the flavor molded body is coated with a coating material containing a flavor component. Since this coating material is in direct contact with the aerosol generation liquid, the flavor components in the coating material are easily eluted into the aerosol generation liquid, and excellent flavor can be ensured.
  • the flavor molded body may contain a flavor material, and the flavor material may contain a tobacco material, and the content of the tobacco material in the flavor molded body may be 10% by weight or less.
  • the amount of flavor components eluted into the aerosol generation liquid can be increased, and more excellent flavor can be ensured.
  • the amount of the carbonized component contained in 1 g of the aerosol generation liquid in a state where the flavor molded body is disposed inside the liquid storage section is 6 mg or less, and the carbonized component is It may be a component that becomes a carbide when heated to 250°C.
  • the flavor molded product may be a highly compressed product.
  • the flavor molded body does not absorb liquid, expansion of the flavor molded body can be suppressed, and the size of the atomization unit can be reduced.
  • a suction tool includes a power supply unit and an atomization unit according to any one of aspects 1 to 4 above.
  • a method for manufacturing an atomization unit for a suction device is a method for manufacturing an atomization unit for a suction device having a liquid storage section, the method comprising: producing an atomization unit for a suction device that includes a liquid containing part. a liquid preparation step, a molding step of molding a flavor molded body containing a non-tobacco base material, and an assembly step of storing the aerosol generating liquid containing nicotine and the flavor molded body in the liquid storage section.
  • the flavor molded body is coated with a coating material containing a flavor component.
  • a method for manufacturing an atomization unit for a suction device is a method for manufacturing an atomization unit for a suction device having a liquid storage portion, the method comprising: preparing a nicotine-containing liquid; a liquid-containing preparation step, a molding step of molding a flavor molded body containing a non-tobacco base material, an addition step of adding the nicotine-containing liquid to the flavor molded body, and a flavor molded body to which the nicotine-containing liquid is added. and an assembling step of accommodating the aerosol base material in the liquid storage section, and the flavor molded object is coated with a coating material containing a flavor component.
  • the flavor molded body contains a flavor material
  • the flavor material contains a tobacco material
  • the flavor molded body is housed inside the liquid storage portion.
  • the content of the tobacco material in the molded article may be 10% by weight or less.
  • the amount of flavor components eluted into the aerosol generation liquid can be increased, and more excellent flavor can be ensured.
  • FIG. 2 is a schematic cross-sectional view showing the main parts of the atomization unit of the suction tool according to Embodiment 1.
  • 2 is a diagram schematically showing a cross section taken along the line A1-A1 in FIG. 1.
  • FIG. 1 is a schematic perspective view of a flavor molded article according to Embodiment 1.
  • FIG. 1 is a schematic cross-sectional view of a flavor molded article according to Embodiment 1.
  • FIG. 3 is a diagram showing the results of measuring the TPM reduction rate with respect to the amount of carbonized components contained in 1 g of an aerosol generating liquid containing nicotine.
  • FIG. 3 is a flow diagram for explaining a method for manufacturing an atomization unit according to a second embodiment.
  • 7 is a flow diagram for explaining a method for manufacturing an atomization unit according to Modification 1 of Embodiment 2.
  • FIG. FIG. 7 is a perspective view schematically showing the appearance of a suction tool according to Embodiment 3.
  • the atomization unit (hereinafter also simply referred to as "atomization unit") of the suction tool according to Embodiment 1 of the present invention includes a liquid storage section that stores an aerosol-generating liquid containing nicotine; an electrical load that causes the aerosol generation liquid in the liquid storage section to be introduced and atomizes the introduced aerosol generation liquid to generate an aerosol; a flavor molded article disposed inside the liquid storage section and including a non-tobacco base material; Equipped with The flavor molded body is coated with a coating material containing a flavor component. This is the atomization unit of the suction tool.
  • the nicotine supply source is a solid such as a powder that can become a deposit as disclosed in Patent Document 1. Otherwise, the effect of the present invention can be obtained, and each condition can be arbitrarily combined within the range where this effect can be obtained.
  • an aerosol generating liquid containing nicotine is used instead of a powdered tobacco material that can cause deposits as disclosed in Patent Document 1. adhesion to the load of the atomization unit, which in turn suppresses deterioration of the load.
  • the flavor molded body is coated with a coating material containing a flavor component. Since this coating material is in direct contact with the aerosol generation liquid, the flavor components in the coating material are easily eluted into the aerosol generation liquid, and excellent flavor can be ensured.
  • the flavor molded body contains a flavor material, and the flavor material further contains tobacco material. can be included.
  • the tobacco material contained in the flavoring material plays the role of a spice in terms of flavor.
  • tobacco materials since tobacco materials contain components that can cause scorching of the load when heated, from the viewpoint of suppressing the occurrence of scorching, the tobacco material content in the flavor molded body is set to 10% by weight. It is advantageous that:
  • FIG. 1 shows an example of the atomization unit according to this embodiment.
  • the atomization unit will be explained with reference to FIG. 1.
  • FIG. 1 is a schematic cross-sectional view showing the main parts of the atomization unit 12. Specifically, FIG. 1 schematically shows a cross section of the main part of the atomization unit 12 taken along a plane including the central axis CL.
  • FIG. 2 is a diagram schematically showing a cross section taken along the line A1-A1 in FIG. 2 (that is, a cross section taken along a plane normal to the central axis CL).
  • the atomization unit 12 will be explained with reference to FIGS. 1 and 2.
  • the atomization unit 12 extends in the direction of the central axis CL of the atomization unit 12, for example.
  • the atomization unit 12 is configured, for example, in a "major axis direction (direction of the center axis CL)", a "width direction” perpendicular to the major axis direction, and a “width direction” perpendicular to the major axis direction and the width direction. It exhibits an external shape having a thickness direction.
  • the dimensions of the atomization unit 12 in the long axis direction, width direction, and thickness direction become smaller in this order.
  • the Z-axis direction (Z direction or -Z direction) corresponds to the major axis direction
  • the X-axis direction (X direction or -X direction) corresponds to the width direction
  • the Y-axis direction (Y direction or -Y direction) corresponds to the thickness direction.
  • the atomization unit 12 includes a plurality of walls (walls 70a to 70g) extending in the longitudinal direction (direction of the central axis CL), and a plurality of walls (walls 70a to 70g) extending in the width direction. 71a to wall portion 71c). Further, the atomization unit 12 includes an air passage 20, a wick 30, an electrical load 40, a liquid storage section 50, and a flavor molded body 60.
  • the air passage 20 is a passage through which air passes when the user suctions air (that is, when suctioning an aerosol).
  • the air passage 20 according to this embodiment includes an upstream passage section, a load passage section 22, and a downstream passage section 23.
  • the upstream passage section according to the present embodiment includes a plurality of upstream passage sections, specifically, an upstream passage section 21a ("first upstream passage section") and an upstream passage section 21b. (“second upstream passage section").
  • the upstream passage portions 21a and 21b are arranged upstream of the load passage portion 22 (upstream in the air flow direction).
  • the downstream ends of the upstream passages 21a and 21b communicate with the load passage 22.
  • the load passage section 22 is a passage section in which a load 40 is disposed.
  • the downstream passage section 23 is a passage section disposed downstream of the load passage section 22 (downstream side in the air flow direction). An upstream end of the downstream passage section 23 communicates with the load passage section 22 . Further, the downstream end of the downstream passage section 23 communicates with the discharge port 13 described above. The air that has passed through the downstream passage section 23 is discharged from the discharge port 13.
  • the upstream passage section 21a is provided in an area surrounded by a wall 70a, a wall 70b, a wall 70e, a wall 70f, a wall 71a, and a wall 71b.
  • the upstream passage portion 21b is provided in an area surrounded by the wall portion 70c, the wall portion 70d, the wall portion 70e, the wall portion 70f, the wall portion 71a, and the wall portion 71b.
  • the load passage section 22 is provided in an area surrounded by a wall 70a, a wall 70d, a wall 70e, a wall 70f, a wall 71b, and a wall 71c.
  • the downstream passage section 23 is provided in an area surrounded by the cylindrical wall section 70g.
  • a hole 72a and a hole 72b are provided in the wall portion 71a. Air flows into the upstream passage section 21a through the hole 72a, and flows into the upstream passage section 21b through the hole 72b. Further, the wall portion 71b is provided with a hole 72c and a hole 72d. Air that has passed through the upstream passage section 21a flows into the load passage section 22 through the hole 72c, and air that has passed through the upstream passage section 21b flows into the load passage section 22 through the hole 72d.
  • the direction of air flow in the upstream passage sections 21a and 21b is opposite to the direction of air flow in the downstream passage section 23.
  • the direction of air flow in the upstream passage sections 21a and 21b is the -Z direction
  • the direction of air flow in the downstream passage section 23 is the Z direction.
  • the upstream passage section 21a and the upstream passage section 21b according to the present embodiment sandwich the liquid storage section 50 between the upstream passage section 21a and the upstream passage section 21b. As such, it is arranged adjacent to the liquid storage section 50.
  • the upstream passage section 21a has one side with the liquid storage section 50 in between, in a cross-sectional view taken along a section normal to the central axis CL. side (-X direction side).
  • the upstream passage section 21b is arranged on the other side (the side in the X direction) with the liquid storage section 50 in between in this cross-sectional view.
  • the upstream passage section 21a is arranged on one side of the liquid storage section 50 in the width direction of the suction tool 10
  • the upstream passage section 21b is arranged on one side of the liquid storage section 50 in the width direction of the suction tool 10. placed on the other side.
  • the wick 30 is a member for introducing the aerosol-generating liquid (hereinafter also simply referred to as "aerosol-generating liquid") containing nicotine in the liquid storage section 50 into the load 40 of the load passage section 22.
  • aerosol-generating liquid hereinafter also simply referred to as "aerosol-generating liquid"
  • the specific configuration of the wick 30 is not particularly limited as long as it has such a function, but the wick 30 according to the present embodiment uses capillarity (capillary phenomenon) as an example.
  • the aerosol generating liquid in the liquid storage section 50 is introduced into the load 40.
  • the capillary force (capillary force) of the wick 30 is larger than the capillary force of the flavor molded body 60 from the viewpoint of being able to use the surrounding liquid without wasting it.
  • the load 40 is an electrical load for introducing the aerosol generation liquid in the liquid storage section 50 and atomizing the introduced aerosol generation liquid to generate an aerosol.
  • the specific configuration of the load 40 is not particularly limited, and for example, a heating element such as a heater or an element such as an ultrasonic generator may be used.
  • a heater is used as an example of the load 40.
  • a heating resistor that is, a heating wire
  • a ceramic heater a ceramic heater, a dielectric heater, or the like
  • a heating resistor is used as an example of this heater.
  • the heater serving as the load 40 may have a coil shape. That is, the load 40 according to this embodiment may be a so-called coil heater. This coil heater may be wound around the wick 30.
  • the load 40 is arranged in the wick 30 inside the load passage section 22, for example.
  • the load 40 is electrically connected to the power source and control device of the power supply unit 11 described above, and generates heat when electricity from the power source is supplied to the load 40 (that is, generates heat when energized). Further, the operation of the load 40 is controlled by a control device.
  • the load 40 heats and atomizes the aerosol-generating liquid in the liquid storage section 50 introduced into the load 40 via the wick 30 to generate an aerosol.
  • the liquid storage section 50 is a part for storing the aerosol generation liquid (Le).
  • the liquid storage section 50 according to the present embodiment is provided in an area surrounded by a wall 70b, a wall 70c, a wall 70e, a wall 70f, a wall 71a, and a wall 71b. Further, in this embodiment, the aforementioned downstream passage section 23 is provided so as to penetrate the liquid storage section 50 in the direction of the central axis CL.
  • the liquid may be provided to the user with the liquid contained in the liquid storage part 50, or the liquid may be provided to the user with no liquid contained in the liquid storage part 50, and the user may introduce the liquid. It is also possible to use a configuration.
  • the aerosol generation liquid Le stored in the liquid storage section 50 is not particularly limited as long as it contains nicotine.
  • the form of nicotine contained in the aerosol generation liquid Le is not particularly limited, and examples include one or more types of nicotine selected from synthetic nicotine and natural nicotine. Note that these synthetic nicotine and natural nicotine may exist as nicotine or as nicotine-containing compounds such as nicotine salts.
  • the form of the aerosol generation liquid Le is not particularly limited, and for example, one in which a predetermined solvent contains one or more types of nicotine selected from synthetic nicotine and natural nicotine can be used.
  • the specific type of the predetermined solvent is not particularly limited, but for example, one or more types selected from the group consisting of glycerin, propylene glycol, triacetin, 1,3-butanediol, and water.
  • a liquid containing a substance can be used.
  • glycerin and/or propylene glycol is used as an example of the predetermined solvent.
  • the purity of natural nicotine when using natural nicotine as the nicotine contained in the aerosol generation liquid Le, by purifying the extract of tobacco materials such as tobacco leaves and removing as much as possible components other than natural nicotine from the extract of tobacco materials, The purity of natural nicotine may be increased, and natural nicotine with increased purity may be used.
  • the purity of the natural nicotine contained in the predetermined solvent of the aerosol generation liquid Le may be 99.9% by weight or more (that is, in this case, the purity of the natural nicotine contained in the natural nicotine ( (components other than natural nicotine) are less than 0.1% by weight).
  • components obtained by extracting tobacco materials are referred to as tobacco extract components (containing at least nicotine).
  • the synthetic nicotine when synthetic nicotine is used as the nicotine contained in the aerosol generation liquid Le, nicotine produced by chemical synthesis using a chemical substance can be used as the synthetic nicotine.
  • the purity of this synthetic nicotine may also be 99.9% by weight or more, similar to natural nicotine.
  • the method for producing synthetic nicotine is not particularly limited, and it can be carried out by chemical synthesis using chemical substances, and known production methods can be used.
  • the type of nicotine-containing compound is not particularly limited, and examples thereof include nicotine salts such as nicotine pyruvate, nicotine citrate, nicotine lactate, nicotine salicylate, nicotine fumarate, nicotine levulinic acid salt, nicotine benzoic acid salt, or nicotine tartrate. Can be mentioned.
  • the production method is not particularly limited, and any known production method can be used.
  • This tobacco extract component is a substance generally contained in tobacco plants, and examples of substances other than nicotine include neophytadiene, solanone, or solanesol, and even if these components other than nicotine are contained, they are not included. It does not have to be present, but if it is present, it can function as a fragrance.
  • nicotine there are two types of nicotine: (S)-nicotine and (R)-nicotine, and most naturally occurring nicotine is usually in the S form, with the R form accounting for less than 1 mol%.
  • synthetic nicotine the ratio of S-form and R-form is usually close to 1:1, although it depends on the synthesis method and purification method.
  • the amount of R-isomer relative to the total amount of nicotine in the oral composition is 5 mol% or more (may be 1 mol% or more, 10 mol% or more, or 40 to 60 mol%).
  • the nicotine in the oral composition is synthetic nicotine.
  • the target to be extracted may be, for example, tissues of tobacco plants themselves such as leaves, stems, flowers, roots, reproductive organs, or embryos, or processed products using these tobacco plant tissues (for example, known Tobacco powder, shredded tobacco, tobacco sheets, tobacco granules, etc. used in tobacco products) may be used, but from the viewpoint of ensuring a sufficient amount of use and avoiding the inclusion of unnecessary ingredients, tobacco leaves may be used. It is preferable.
  • the embodiment using tobacco extract components obtained by extraction of tobacco materials can lower the raw material cost and manufacturing cost of the aerosol generation liquid Le compared to the embodiment using nicotine obtained by synthesis or the like.
  • the method of incorporating nicotine into the aerosol generation liquid Le is not particularly limited, and examples include methods of dissolving nicotine-containing compounds such as nicotine or nicotine salts obtained by synthesis or extraction of tobacco materials in the aerosol generation liquid Le; Examples include a method in which nicotine or a nicotine-containing compound is dissolved in a solvent and then mixed with the aerosol generation liquid Le.
  • the tobacco extract can be used as it is as the aerosol generation liquid Le. Examples of such substances include, for example.
  • liquid aerosol generation liquid Le containing nicotine described above as a nicotine supply source
  • powdered tobacco material that can become a deposit as disclosed in Patent Document 1 is used as a nicotine supply source. It is possible to suppress deterioration of the load 40 of the atomization unit 12 that occurs when the atomization unit 12 is used as a fuel cell.
  • the content of nicotine in the aerosol generation liquid Le is not particularly limited, but from the viewpoint of enabling a sufficient supply of nicotine, it may be, for example, 0.1% by weight or more and 10% by weight or less, and 0.5% by weight. % or more and 7.5% by weight or less, and 1% or more and 5% by weight or less.
  • the tobacco extract can be used as the source of the tobacco extract component, but in this case, the content of the tobacco extract in the aerosol generation liquid Le is not particularly limited.
  • nicotine may be, for example, 0.1% by weight or more and 10% by weight or less, or 0.5% by weight or more and 7.5% by weight or less, It may be 1% by weight or more and 5% by weight or less.
  • the predetermined solvent that can be included in the aerosol generation liquid Le is not particularly limited, and for example, an aerosol base material (a base material for generating an aerosol) can be used.
  • the type of aerosol base material is not particularly limited, and for example, one or more substances selected from the group consisting of glycerin, propylene glycol, triacetin, 1,3-butanediol, and water can be used.
  • the content of the aerosol base material in the aerosol generation liquid Le is not particularly limited, but from the viewpoint of achieving desired aerosol generation, it may be, for example, 40% by weight or more and 95% by weight or less, 50% by weight or more, It may be 90% by weight or less, and may be 60% by weight or more and 80% by weight or less.
  • the type of solvent used in the extraction to obtain the above tobacco extract component is not particularly limited as long as it can dissolve nicotine, and examples include glycerin, propylene glycol, triacetin, 1,3-butanediol, and water.
  • One or more substances selected from the group or a liquid containing this substance can be used.
  • glycerin and/or propylene glycol is used as an example of the predetermined solvent.
  • the tobacco extract can be used as is as the aerosol generation liquid Le, but the tobacco extract does not contain components that can cause scorching by heating (for example, lipids, etc.).
  • the tobacco extract may contain flavor components in the tobacco material other than nicotine, and specific examples thereof include, for example, neophytadiene.
  • the aerosol generation liquid Le may contain components other than nicotine and the aerosol base material (other components), such as flavor components other than nicotine (including the above-mentioned tobacco extract components other than nicotine).
  • Flavor components other than nicotine and flavor components derived from tobacco materials include, for example, menthol, natural vegetable flavorings (for example, cognac oil, orange oil, jasmine oil, spearmint oil, peppermint oil, anise oil, coriander oil, lemon oil) , chamomile oil, labdanum, vetiver oil, rose oil, lovage oil), esters (e.g.
  • menthyl acetate isoamyl acetate, linalyl acetate, isoamyl propionate, butyl butyrate, methyl salicylate, etc.
  • ketones e.g. menthone, ionone
  • alcohols e.g., phenylethyl alcohol, anethole, cis-6-nonen-1-ol, eucalyptol, etc.
  • aldehydes e.g., benzaldehyde, etc.
  • lactones e.g., ⁇ -penta decalactone, etc.
  • neophytadiene solanone, or solanesol.
  • FIG. 3 is a schematic perspective view of the flavor molded body 60.
  • the flavor molded body 60 is formed by solidifying a material such as a non-tobacco base material and molding it into a predetermined shape.
  • Two flavor molded bodies 60 according to this embodiment are each arranged inside the aerosol generation liquid Le in the liquid storage section 50.
  • the number of molded bodies 60 is not limited to this, and may be one, or three or more.
  • the flavor material is contained in the flavor molded body 60, the load 40 on the atomization unit 12 caused by the use of powdered solids that can become deposits as disclosed in Patent Document 1 is reduced. Since there is no problem of adhesion, deterioration of the load can be suppressed. Furthermore, the flavor molded object 60 of this embodiment is coated with a coating material containing a flavor component. With this configuration, it is possible to ensure sufficient contact between the aerosol generation liquid Le in the liquid storage part 50 and the flavoring material, so that the flavor components are sufficiently eluted into the aerosol generation liquid Le, resulting in excellent Flavor can be maintained.
  • the flavor molded body 60 is referred to as "flavor" because its surface is coated with a coating material containing a flavor component, and the flavor component can be imparted to the aerosol generation liquid Le by this coating material. It is called a molded body.
  • the type of material for the non-tobacco base material is not particularly limited as long as it is derived from tobacco materials (specifically, tobacco plants), such as ceramics, synthetic polymers, or pulp derived from plants other than tobacco plants. It may be.
  • tobacco materials specifically, tobacco plants
  • ceramics include alumina, zirconia, aluminum nitride, and silicon carbide.
  • synthetic polymer include polyolefin resin, polyester, polycarbonate, PAN, and EVOH.
  • plants other than tobacco plants include softwood pulp, hardwood pulp, cotton, fruit pulp, and tea leaves.
  • the non-tobacco base material may be the main material of the flavor molded body 60, particularly the main material that ensures the molding of the flavor molded body 60.
  • the content of the non-tobacco base material in the flavor molded body 60 is not particularly limited, and may be, for example, 10% by weight or more and 100% by weight or less, 30% by weight or more and 90% by weight or less, 50% by weight or more and 100% by weight or less, It may be more than 80% by weight and less than 80% by weight.
  • the shape of the flavor molded body 60 according to the present embodiment is not particularly limited, and is, for example, a rod shape (a shape whose length is longer than its width).
  • the rod-shaped flavor molded body 60 according to the present embodiment has a rod-shaped polyhedral shape, for example, and has a cylindrical shape with a circular cross section.
  • the cross-sectional shape of the flavor molded body 60 is not limited to a circle, and other examples include polygons (triangles, quadrilaterals, pentagons, or polygons with six or more corners), etc. There may be.
  • the rod shape having a hollow portion include a cylindrical shape having a through hole extending in the longitudinal direction, a concave shape having a non-through hole (recess) extending in the longitudinal direction, and the like.
  • the cross-sectional shape may be any shape other than a circle or a polygon, and may be a complicated shape as shown in FIG. 4(c), which will be described later, or may be a concave shape.
  • the flavor molded body 60 has a rod shape with grooves formed on the side surface.
  • the flavor molded product 60 is a sheet made of a non-tobacco base material or a mixture containing the same, or a cast sheet of a non-tobacco base material or a mixture containing the same.
  • a sheet, a rolled sheet of a non-tobacco base material or a mixture containing the same, etc. can be used.
  • the sheet shape may be a shape in which a plurality of sheets are stacked (the plurality of sheets only need to be stacked together, and may or may not be integrated with each other).
  • the sheet may have a bellows shape in which the sheet has a repeated structure of mountain folds and valley folds, or it may have a spiral shape in which the sheet has a spiral structure.
  • the shape of the flavor molded body 60 may be a shape other than the above-mentioned rod shape or sheet shape, for example, it may be a cubic shape (a shape having sides of the same length), or it may be a porous shape. Alternatively, it may have other shapes.
  • the shape of the flavor molded body 60 is cylindrical, a shape in which a plurality of rods are bundled, and a cross section of the rod in an arbitrary shape (a circular shape with a plurality of circular holes).
  • a typical cross-sectional shape of each flavor molded body 60 in the case of a rod shape, a bellows shape, and a spiral shape (shape in which a space portion) is provided is shown.
  • the capillary force generated by the flavor molded body 60 itself allows the surrounding liquid to be used without wasting it. From the standpoint of being able to maintain a desired level of capillary force, it is preferable that the capillary force be smaller than the capillary force of the wick 30 while maintaining a capillary force greater than or equal to a desired level. From the perspective of this capillary force relationship, the flavor molded body 60 has a space extending from the end area (including the end and end surface) on the side where the wick 30 exists to the side opposite to the side where the wick 30 exists.
  • a shape having the following is preferable.
  • the shape of this space is not particularly limited, and preferred shapes of the flavor molded body 60 include, for example, a cylindrical shape, a concave shape, a shape in which a plurality of rods are bundled, a bellows shape, a spiral shape, or a porous shape ( In particular, it is preferable to have one or more shapes selected from porous bodies having continuous pores.
  • the specific values of the width (i.e., outer diameter) (W), which is the length of the flavor molded body 60 in the lateral direction, and the total length (L), which is the length of the flavor molded body 60 in the longitudinal direction are as follows: Although not particularly limited, an example of numerical values is as follows. That is, as the width (W) of the flavor molded body 60, a value selected from a range of, for example, 2 mm or more and 20 mm or less can be used. As the total length (L) of the flavor molded body 60, a value selected from a range of, for example, 5 mm or more and 50 mm or less can be used.
  • these values are only examples of the width (W) and overall length (L) of the flavor molded body 60, and the width (W) and total length (L) of the flavor molded body 60 may vary depending on the size of the suction tool 10. Just set a suitable value. When a plurality of flavor molded bodies 60 are present, these parameters are the average value of the numerical values calculated for each flavor molded body 60.
  • the flavor molded body 60 may contain a flavor material from the viewpoint of increasing the amount of flavor components eluted into the aerosol generation liquid Le and ensuring better flavor.
  • the form of the flavor material contained in the flavor molded body 60 is not particularly limited, and for example, it may be a flavor component itself, or it may be a material that imparts a flavor component ("flavor component imparting material"), and may be a flavor component imparting material.
  • flavor component imparting material examples include tobacco materials that provide nicotine. For example, when a tobacco material is used as a flavoring material, the tobacco component can be used as a spice to impart flavor.
  • the flavor component imparting material when the flavor molded body 60 contains a flavor component imparting material, the flavor component imparting material is treated as the flavor material, not the flavor component contained in the flavor component imparting material.
  • the flavor material when the flavor molded body 60 contains a tobacco material, the flavor material is not nicotine contained in the tobacco material, but the tobacco material.
  • the flavoring material may include tobacco material, but the form of the tobacco material is not particularly limited, and may include, for example, tobacco plant leaves, stems, flowers, roots, reproductive organs, or tissues themselves such as embryos; , processed products using the tissues of these tobacco plants (for example, tobacco powder, shredded tobacco, or tobacco sheets used in known tobacco products) may be included, but it is necessary to ensure a sufficient amount of use and processing.
  • the tobacco material may be tobacco residue obtained after extracting these materials, or may be a combination of unextracted tobacco material and tobacco residue, or may be used as a mixed mixture.
  • the tobacco material contained in the flavor molded body 60 plays the role of a spice in terms of aroma and taste.
  • the flavor material contains tobacco material does not mean that the flavor material contains tobacco material, but rather that tobacco material is included as one of the types of flavor material.
  • the expression "the flavoring material contains a tobacco material and the content of the tobacco material in the flavor molded body 60 is 10% by weight or less” means “the flavor material contains at least a tobacco material and the content of the tobacco material in the flavor molded body 60 is 10% by weight or less”.
  • flavor ingredients that serve as flavor materials are not particularly limited, and include, for example, nicotine, menthol, natural vegetable flavorings (e.g., cognac oil, orange oil, jasmine oil, spearmint oil, peppermint oil, anise oil, coriander oil, lemon oil, chamomile). oil, labdanum, vetiver oil, rose oil, lovage oil), esters (e.g. menthyl acetate, isoamyl acetate, linalyl acetate, isoamyl propionate, butyl butyrate, methyl salicylate, etc.), ketones (e.g.
  • menthone, ionone, ethyl maltol, etc. menthone, ionone, ethyl maltol, etc.
  • alcohols e.g., phenylethyl alcohol, anethole, cis-6-nonen-1-ol, eucalyptol, etc.
  • aldehydes e.g., benzaldehyde, etc.
  • lactones e.g., ⁇ -pentadeca
  • the flavor component in the flavor material (the flavor component itself may be a flavor material) is eluted into the aerosol generation liquid Le stored in the liquid storage section 50, and finally the aerosol generated by using the atomization unit 12. delivered to the user as
  • the method of applying the flavoring material to the non-tobacco base material is not particularly limited; for example, the flavoring material may be added by mixing it into the raw material of the non-tobacco base material during the production of the non-tobacco base material; The flavor material may be applied to the surface of the non-tobacco substrate by coating, spraying, etc., or a combination of these may be used.
  • the flavor molded body 60 has the flavor material on its surface, sufficient contact between the aerosol generation liquid Le in the liquid storage section 50 and the flavor material can be ensured, so that the flavor component is sufficiently eluted into the liquid. and can ensure excellent flavor.
  • the content of the flavor material in the flavor molded body 60 is not particularly limited, and may be, for example, 0.1% by weight or more and 70% by weight or less, and 1% by weight or more. , 60% by weight or less, and may be 3% by weight or more and 50% by weight or less.
  • the flavor molded body 60 contains at least tobacco material as a flavoring material, but the content of the tobacco material in the flavor molded body 60 should be 1% by weight or more in order to fulfill its role as a flavor spice. It is preferable that the amount is 3% by weight or more, and even more preferably 7% by weight or more.
  • the amount of tobacco material is 10% by weight or less, preferably 7% by weight or less, More preferably, it is 3% by weight or less.
  • the flavor molded body 60 may contain a binder to bond materials included in the flavor molded body 60 such as non-tobacco base materials, especially when the flavor molded body 60 contains a substance that can be turned into powder. It is preferable that a binder be included in order to prevent the binder from becoming a deposit and promoting deterioration of the load 40.
  • the type of binder is not particularly limited, and for example, starch, hydroxyalkylcellulose, vinyl acetate resin, alkylhydroxyalkylcellulose, etc. can be used, and in particular, the binder does not dissolve or is difficult to dissolve in the aerosol generation liquid Le.
  • the binder component itself does not become a scorching factor and can maintain the shape of the molded product, one type selected from the group consisting of starch, hydroxyalkyl cellulose, and vinyl acetate resin.
  • the above substances are preferable.
  • the vinyl acetate resin include polyvinyl acetate and vinyl acetate.
  • the content of the binder in the flavor molded body 60 may be 1% by weight or more and 20% by weight or less, and 3% by weight or more and 15% by weight or less, from the viewpoint of the balance between adhesiveness and suppression of elution of burnt components. It may be 5% by weight or more and 10% by weight or less.
  • the flavor molded body 60 may contain components other than the above-mentioned various components, such as a gelling agent such as calcium lactate, or a humectant such as glycerin or propylene glycol. By using a gelling agent, binder strength can be improved.
  • a gelling agent such as calcium lactate
  • a humectant such as glycerin or propylene glycol
  • the density (mass per unit volume) of the flavor molded body 60 may be, for example, 1000 mg/cm 3 or more and 1450 mg/cm 3 or less, or 1100 mg/cm 3 or more and 1450 mg /cm 3 or less.
  • the density of the flavor molded body 60 is not limited to this, and may be less than 1000 mg/cm 3 , or greater than 1450 mg/cm 3 , or less than 1100 mg/cm 3 . Alternatively, it may be greater than 1450 mg/cm 3 . When a plurality of flavor molded bodies 60 are present, this density is determined as the total mass relative to the total volume of the flavor molded bodies 60.
  • the wet tensile strength of the flavor molded body 60 is not particularly limited, but in order to suppress collapse in a humid environment, it is preferably 5 N or more per 15 mm, and preferably 10 N or more per 15 mm. More preferred.
  • This wet tensile strength can be measured according to the method described in JP-A-2019-187451. The specimen to be measured in this measurement is adjusted at 22 ⁇ 2°C and relative humidity 60 ⁇ 5% for at least 24 hours, and then the test sample is adjusted to a length of 250 ⁇ 0.1 mm and a width of 15 ⁇ 0.1 mm. Cut and prepare.
  • the flavor molded body 60 may be covered with a nonwoven fabric, or may be covered with a covering material such as a resin, in order to suppress expansion due to liquid absorption, and to use the liquid in the liquid storage part 50 without wasting the liquid by suppressing the expansion. It may be coated with A (coating material A).
  • the coating material A may be coated on a coating material containing a flavor component (hereinafter also referred to as a flavor component-containing coating material), which will be described later.
  • a flavor component-containing coating material a flavor component-containing coating material
  • the coating material A can be treated as a flavor component-containing coating material.
  • Non-woven fabric refers to fibers that are processed into cloth without being woven.
  • a nonwoven fabric is, for example, a fabric formed by adhering or intertwining fibers by thermal, mechanical, or chemical action.
  • the fibers constituting the "nonwoven fabric” are not particularly limited, and may be plant fibers, animal fibers, synthetic fibers, or a mixture of two or more of these.In particular, it is preferable to contain plant fibers, and more preferably to contain paper. preferable. It is preferable for the nonwoven fabric to cover the entirety of the flavor molded body 60 in order to enhance the effect of preventing the flavor molded body 60 from swelling. It is preferable that the nonwoven fabric is paper that wraps the entire flavor molded body 60.
  • the shape of the nonwoven fabric is not particularly limited as long as it can cover at least a portion of the flavor molded body 60.
  • the nonwoven fabric may have a cylindrical shape and be arranged to cover the center of the flavor molded body 60 and the like.
  • the nonwoven fabric may have a cylindrical shape with one opening closed, and may be placed at the end of the flavor molded body 60.
  • a covering step of covering the flavor molded body 60 with the nonwoven fabric may be provided after the molding process of molding the flavor molded body 60.
  • the method of covering the flavor molded body 60 with the nonwoven fabric is not particularly limited, and for example, the flavor molded body 60 can be wrapped with the nonwoven fabric by a machine or by a person, and the sides of the nonwoven fabric can be adhered as necessary.
  • the coating material A When a resin or the like is used as the coating material A, elution of flavor components that may exist inside the coating material A is suppressed, so while suppressing the passage of the non-tobacco substrate, It is preferable that the coating material A is provided with a plurality of holes (fine holes) through which the flavor components can pass. That is, the pores of this covering material A need only have a size larger than the size of the flavor component and smaller than the size of the non-tobacco base material. According to this configuration, the flavor components that may exist inside the coating material A can be eluted into the aerosol generation liquid Le while suppressing the elution of the non-tobacco base material into the aerosol generation liquid Le.
  • the coating layer comprised from these materials is handled as a coating material containing a flavor component mentioned later.
  • the coating material (coating) A when coating with resin include polyethylene, polyethylene wax, microcrystalline wax, beeswax, and zein.
  • the coating material A, such as resin, suppresses the swelling of the flavor molded body 60. It is preferable that the coating covers 50% or more of the surface of the flavor molded body 60 in order to increase the effect of preventing swelling of materials such as non-tobacco base materials contained in the flavor molded body 60, and 90% or more is preferable. preferable.
  • the shape of the coating is not particularly limited as long as it can cover at least a portion of the flavor molded body 60.
  • a coating step of covering the flavor molded body 60 with the coating material A is performed after the molding step of molding the flavor molded body 60.
  • the coating step the surface of the flavor molded body 60 is coated with a coating agent containing sodium silicate, such as water glass, or a resin, to form a coating.
  • the method for forming the coating material A is not particularly limited, and for example, after forming a film of a liquid coating agent containing sodium silicate or a resin on the surface of the flavor molded body 60, it may be solidified by heating or adding an acid or salt, or the like. A gelling treatment can be performed. Note that the flavor molded body 60 may be coated without performing the coating process, by solidifying a material such as a non-tobacco base material to which an appropriate flavor component has been added using a solution containing sodium silicate or resin such as water glass in the molding process. You may.
  • the atomization unit 12 is arranged so that the liquid storage part 50 is in contact with both the wick 30 that holds the load 40 and the aerosol generation liquid Le is supplied from inside the liquid storage part 50, and the flavor molded body 60 and the wick 30. It is preferable that the capillary force of at least the liquid retaining member is larger than the capillary force of the flavor molded body 60. According to this aspect, the aerosol generation liquid Le in the liquid storage section 50 can be used without wasting it.
  • the flavor molded body 60 is coated with a coating material containing a flavor component. Since the coating material is in direct contact with the aerosol generation liquid Le, it is possible to ensure good elution of flavor components into the aerosol generation liquid Le, and it is possible to ensure excellent flavor.
  • the manner in which the coating material is coated is not particularly limited, and for example, a solution in which the above-mentioned flavor component or flavor component-imparting material is dissolved in a solvent, or a slurry-like mixture in which the flavor component or flavor component-imparting material is dispersed in a dispersion medium. (also simply referred to as "slurry”) may be applied to the surface of a non-tobacco base material by coating or spraying.
  • the type of flavor component contained in the coating material is not particularly limited, and may be, for example, the flavor components listed above, but preferably includes nicotine.
  • the flavor component imparting material also contains the flavor component
  • the coating material containing the flavor component imparting material turns into a coating material containing the flavor component.
  • the outermost layer is the coating material containing flavor components, so such flavor
  • the molded body 60 is also included in the flavored molded body 60 coated with a coating material containing a flavor component.
  • the type of solvent is not particularly limited as long as it can dissolve the flavor component or flavor component imparting material.
  • nicotine is used as the flavor component
  • ethanol, glycerin, propylene glycol, triacetin, 1,3- One or more substances selected from the group consisting of butanediol and water can be used.
  • the type of dispersion medium is not particularly limited as long as it can disperse the flavor component or flavor component imparting material, and examples thereof include ethanol, glycerin, propylene glycol, triacetin, 1,3-butanediol, and the like as well as the above solvents. , water can be used.
  • the flavor component may be further applied to the non-tobacco base material, in addition to being applied to the surface of the non-tobacco base material, for example, it may be included in the non-tobacco base material.
  • methods for incorporating the flavor component into the non-tobacco base material include a method in which the flavor component is mixed into the raw material of the non-tobacco base material and molded during the production of the non-tobacco base material.
  • the flavor molded body 60 may be a highly compressed material (highly compressed body) such as an extrusion molded body, a tablet molded body, or paraffin paper. Expansion of the body 60 can be suppressed, and the atomization unit 12 can also be downsized.
  • Highly compressible materials may, for example, have the densities described above. Highly compressible materials are difficult for liquids to penetrate inside, so in the embodiment in which the flavoring material is contained in the non-tobacco base material, sufficient contact between the aerosol generation liquid Le and the flavoring material in the non-tobacco base material cannot be ensured. Flavor components are not sufficiently eluted into the aerosol generation liquid Le.
  • the surface of the flavor molded body 60 is coated with a coating material containing a flavor component, sufficient contact between the aerosol generation liquid Le and the flavor component present on the surface of the non-tobacco base material can be ensured.
  • the flavor components are sufficiently eluted into Le, and excellent flavor can be ensured.
  • the flavor component can be applied alone to the surface of the flavor molded body 60, but it can also be applied together with a material such as a resin. Specifically, a resin layer containing a flavor component may be provided on the surface of the flavor molded body 60.
  • the non-tobacco base material is It is possible to easily suppress the flavor components from falling off the surface, and it is also possible to adjust the rate of elution of the flavor components into the aerosol generation liquid Le.
  • the method of providing a resin layer containing a flavor component on the surface of the flavor molded body 60 is not particularly limited, and for example, a method of providing a resin layer containing a flavor component on the surface of the flavor molded body 60 is not particularly limited.
  • Examples include a method of applying a flavor component to the surface of the flavor molded body 60 by coating or spraying a slurry-like mixture (also simply referred to as "slurry") in which a flavor component or a flavor component imparting material is dispersed.
  • the type of resin is not particularly limited, but from the viewpoint that it is preferably a material that does not dissolve in the aerosol, for example, the aerosol generation liquid Le consists of glycerin, propylene glycol, triacetin, 1,3-butanediol, and water as a solvent. When it contains one or more substances selected from the group, polyethylene, polyvinyl acetate, etc. are preferred.
  • the average thickness of the coating layer made of the coating material on the surface of the flavor molded body 60 is not particularly limited, and may be, for example, 0.001 ⁇ m or more and 800 ⁇ m or less.
  • the coating layer may be a layer composed only of flavor components, or in the case of using the above-mentioned resin or the like, it may be a layer containing the resin or the like present on the surface of the flavor molded body 60.
  • Suction using the atomization unit 12 is performed as follows. First, when the user starts suctioning air, the air passes through the upstream passage sections 21 a and 21 b of the air passage 20 and flows into the load passage section 22 . Aerosol generated in the load 40 is added to the air that has flowed into the load passage section 22 . This aerosol contains nicotine contained in the aerosol generation liquid Le in the liquid storage section 50 and flavor components (including nicotine) that can be eluted from the flavor molded body 60. The air to which this aerosol has been added passes through the downstream passage section 23, is discharged from the discharge port 13, and is sucked into the user.
  • the aerosol generated by the load 40 is Flavor components in the coating can be added to the coating. This allows you to fully enjoy the flavor.
  • the flavor molded body 60 is disposed inside the aerosol generation liquid Le in the liquid storage section 50, and the flavor molded body 60 and the electrical load 40 are connected to each other. Since they are physically separated, it is possible to prevent tobacco material from adhering to the load 40 of the atomization unit 12. Thereby, deterioration of the load 40 of the atomization unit 12 can be suppressed.
  • the amount (mg) of carbonized components contained in the aerosol generation liquid Le1g with the flavor molded body 60 disposed inside the liquid storage section 50 is preferably 6 mg or less, and preferably 3 mg or less. is more preferable.
  • the amount of carbonized components adhering to the electrical load 40 can be suppressed as much as possible while enjoying the flavor of nicotine and the like. Thereby, it is possible to enjoy the flavor of nicotine and the like while suppressing the occurrence of burnt on the load 40 as much as possible.
  • the carbonized component contained in the aerosol generation liquid Le in a state where the flavor molded body 60 is placed inside the liquid storage section 50 specifically refers to the state before the flavor molded body 60 is placed. This value corresponds to the sum of the amount of carbonized components contained in the aerosol generation liquid Le and the amount of carbonized components eluted from the flavor molded body 60 into the aerosol generation liquid Le.
  • the term "carbonized component” refers to a component that becomes carbide when heated to 250°C. Specifically, the “carbonized component” refers to a component that does not become a carbide at a temperature below 250°C, but becomes a carbide when maintained at a temperature of 250°C for a predetermined period of time.
  • this "amount (mg) of carbonized components contained in the aerosol-generating liquid Le1g with the flavor molded body 60 disposed inside the liquid storage section 50" can be measured, for example, by the following method. can. First, a predetermined amount (g) of the aerosol generation liquid Le with the flavor molded body 60 disposed inside the liquid storage section 50 is prepared. Next, this aerosol generation liquid Le is heated to 180° C. to volatilize the solvent (liquid component) contained in the aerosol generation liquid Le, thereby obtaining a “residue consisting of non-volatile components”. Next, the residue is carbonized by heating it to 250° C. to obtain a carbide. Next, the amount (mg) of this carbide is measured.
  • the amount (mg) of carbide contained in a predetermined amount (g) of aerosol generation liquid Le it is possible to measure the amount (mg) of carbide contained in a predetermined amount (g) of aerosol generation liquid Le, and based on this measurement value, the amount (mg) of carbide contained in 1 g of aerosol generation liquid Le is determined. That is, the amount (mg) of carbonized components can be calculated.
  • Figure 5 shows the measurement of TPM reduction rate with respect to the amount of carbonized components contained in 1 g of extract when tobacco extract (hereinafter also simply referred to as "extract") is used as the aerosol generating liquid Le containing nicotine. It is a figure showing the result.
  • the horizontal axis of FIG. 5 indicates the amount of carbonized components contained in 1 g of the extract, and the vertical axis indicates the TPM reduction rate ( RTPM ) (%).
  • the TPM reduction rate (R TPM :%) in FIG. 5 was measured by the following method. First, samples of a plurality of atomization units 12 having different amounts of carbonized components contained in 1 g of extract liquid were prepared. Specifically, five samples (sample SA1 to sample SA5) were prepared as samples of the plurality of atomization units 12. These five samples were prepared by the following steps.
  • Step 1 To a tobacco material made of tobacco leaves, 20 (wt%) of potassium carbonate was added in terms of dry weight, and then heated and distilled. The distillation residue after this heating distillation treatment is immersed for 10 minutes in water that is 15 times the weight of the tobacco raw material before the heating distillation treatment, dehydrated in a dehydrator, and then dried in a drier to produce tobacco. A residue was obtained.
  • Step 2 Next, a portion of the tobacco residue obtained in Step 1 was washed with water to prepare tobacco residue containing a small amount of char.
  • Step 3 25 g of dipping liquid (propylene glycol 47.5 wt%, glycerin 47.5 wt%, water 5 wt%) as an extraction liquid was added to 5 g of the tobacco residue obtained in step 2, and the temperature of the dipping liquid was raised to 60%. It was left to stand at °C. By varying the standing time (that is, the immersion time in the immersion liquid), the amount of carbonized components eluted into the immersion liquid (extract liquid) was varied.
  • the standing time that is, the immersion time in the immersion liquid
  • the amount of total particulate matter captured by the Cambridge filter of the automatic smoking machine was then measured. Based on the measured amount of total particulate matter, the TPM reduction rate ( RTPM ) was calculated using the following formula (1).
  • the TPM reduction rate (R TPM ) shown in FIG. 5 was measured by the above method.
  • R TPM (%) (1-TPM (201puff ⁇ 250puff) / TPM (1puff ⁇ 50puff)) x 100... (1)
  • TPM Total Particle Molecule
  • TPM (1puff to 50puff) indicates the amount of total particulate matter collected by the Cambridge filter from the 1st puff to the 50th puff of the automatic smoking machine.
  • TPM (201puff to 250puff) indicates the amount of total particulate matter collected by the Cambridge filter from the 201st puff to the 250th puff of the automatic smoking machine.
  • the TPM reduction rate ( RTPM ) in equation (1) is calculated as follows: "The amount of total particulate matter collected by the Cambridge filter from the 201st puff to the 250th puff of the automatic smoking machine It is calculated by subtracting the value divided by the total amount of particulate matter collected by the Cambridge filter from the 1st puff to the 50th puff from 1 and multiplying it by 100.
  • Embodiment 2 A method for manufacturing the atomization unit 12 of the suction tool 10 according to Embodiment 2 of the present invention (hereinafter also simply referred to as "method for manufacturing the atomization unit 12") will be described.
  • This embodiment is an embodiment of a method for manufacturing the atomization unit 12. As shown in FIG.
  • the manufacturing method according to the present embodiment is a method for manufacturing the atomization unit 12 of the suction tool 10 having the liquid storage section 50, a liquid preparation step of preparing an aerosol generation liquid Le containing nicotine; a molding step of molding a flavor molded body 60 containing a non-tobacco base material; an assembly step of accommodating the aerosol generating liquid Le containing nicotine and the flavor molded body 60 in the liquid storage section 50; has The flavor molded body 60 is coated with a coating material containing a flavor component.
  • This is a method for manufacturing the atomization unit 12 of the suction tool 10.
  • the manufacturing method according to this embodiment may include steps other than the liquid preparation step, molding step, and assembly step described above.
  • an aerosol containing nicotine is used as a nicotine supply source instead of a powdered tobacco material that can become a deposit as disclosed in Patent Document 1. Since the flavor molded body 60 containing the product liquid Le and the tobacco material is used, it is possible to suppress the nicotine supply source from adhering to the load of the atomization unit 12, and thereby suppress the deterioration of the load. Further, the tobacco material contained in the flavor molded body 60 plays the role of spice in terms of flavor. On the other hand, since the tobacco material contains components that can cause charring of the load when heated, it is advantageous not to exceed the above upper limit in order to suppress the occurrence of charring.
  • an aerosol liquid containing nicotine is prepared.
  • a specific method for preparing an aerosol liquid (hereinafter also simply referred to as "liquid") containing nicotine is not particularly limited, and any known method can be employed.
  • a method of dissolving nicotine-containing compounds such as nicotine or nicotine salts obtained by synthesis etc. in the aerosol generation liquid Le or a method of dissolving a component obtained by extraction of tobacco materials (which may be only natural nicotine) into the aerosol generation liquid Le. Examples include a method of dissolving.
  • the method for obtaining nicotine-containing compounds such as nicotine or nicotine salts obtained by synthesis etc. is not particularly limited, and can be produced by known methods, but commercially available products may also be used.
  • the above aerosol generating liquid Le may be a liquid containing an aerosol base material, or may be the aerosol base material itself.
  • an alkaline substance is applied to tobacco leaves (referred to as alkali treatment).
  • alkali treatment a basic substance such as an aqueous potassium carbonate solution can be used.
  • the alkali-treated tobacco leaves are heated at a predetermined temperature (for example, a temperature of 80° C. or higher and lower than 150° C.) (referred to as heat treatment).
  • a predetermined temperature for example, a temperature of 80° C. or higher and lower than 150° C.
  • the tobacco leaves are brought into contact with one or more substances selected from the group consisting of, for example, glycerin, propylene glycol, triacetin, 1,3-butanediol, and water.
  • released components (which include flavor components such as nicotine) released from the tobacco leaves into the gas phase are collected in a predetermined collection solvent.
  • a collection solvent for example, one or more substances selected from the group consisting of glycerin, propylene glycol, triacetin, 1,3-butanediol, and water can be used.
  • flavor components such as nicotine (hereinafter also simply referred to as “flavor components”) can be obtained (that is, flavor components can be extracted from tobacco leaves).
  • step S10 may be configured without using the collection solvent as described above.
  • the alkali-treated tobacco leaves are subjected to the above heat treatment and then cooled using a condenser or the like, thereby reducing the released components released from the tobacco leaves into the gas phase. It is also possible to condense and extract flavor components.
  • step S10 may be configured without performing the alkali treatment as described above.
  • tobacco leaves tobacco leaves that have not been subjected to alkali treatment
  • Add one or more selected substances are selected.
  • the tobacco leaves to which this has been added are heated, and the components released during heating are collected in a collection solvent or condensed using a condenser or the like. Flavor components can also be extracted by such a process.
  • step S10 one or more substances selected from the group consisting of glycerin, propylene glycol, triacetin, 1,3-butanediol, and water are aerosolized, or from this group.
  • An aerosol obtained by aerosolizing two or more selected substances is passed through tobacco leaves (tobacco leaves that have not been subjected to alkali treatment), and the aerosol that has passed through the tobacco leaves is collected in a collection solvent. Flavor components can also be extracted by such a process.
  • step S10 liquid preparation step calculates the amount of carbonized components that become carbonized when heated to 250° C., which may be contained in the flavor components extracted by the method described above. It may further include reducing processing (hereinafter also simply referred to as "reducing processing"). By reducing "the amount of carbonized components that become carbide when heated to 250° C.”, adhesion of carbonized components to the load 40 can be effectively suppressed. As a result, occurrence of burnt on the load 40 can be effectively suppressed. Furthermore, since the carbonized components that become carbonized when heated to 250°C are mainly derived from tobacco materials such as tobacco leaves, the effects of the reduction treatment are particularly low in methods that use tobacco extract as a source of nicotine. is large.
  • the specific method for reducing the amount of carbonized components contained in the extracted flavor components is not particularly limited, but for example, by cooling the extracted flavor components, the precipitated components can be reduced.
  • the amount of carbonized components contained in the extracted flavor components may be reduced by filtering with filter paper or the like.
  • the amount of carbonized components contained in the extracted flavor components may be reduced by centrifuging the extracted flavor components with a centrifuge.
  • the amount of carbonized components contained in the extracted flavor components may be reduced by using a reverse osmosis membrane (RO filter).
  • RO filter reverse osmosis membrane
  • Tobacco extract contains components that can cause charring when heated (e.g., lipids, metal ions, sugars, or proteins), so tobacco extract components are subjected to distillation treatment or vacuum distillation treatment, which can cause charring.
  • the substance is removed. Note that even when tobacco extract is not used, it is preferable to subject the tobacco extract to distillation treatment or vacuum distillation treatment if it contains a substance that causes charring.
  • step S20 the flavor molded body 60 is manufactured by molding the flavor molded body 60 containing a material such as a non-tobacco base material into a predetermined shape.
  • a material such as a non-tobacco base material
  • non-tobacco base materials there are no particular restrictions on the method for molding materials such as non-tobacco base materials. Examples include a method of forming the mixture into a predetermined shape by a method such as press pressure molding, extrusion molding, injection molding, transfer molding, compression molding, or cast molding. It will be done.
  • the non-tobacco base material is a polymer
  • a flavor molded article of a predetermined shape can be obtained by dissolving the polymer in a solvent and evaporating the solvent by heating, etc., or by polymerizing a monomer, etc.
  • a method of obtaining 60 can also be adopted.
  • Another method is to obtain a composite material in any solid shape containing a non-tobacco base material and then process the composite material into a predetermined shape by cutting, grinding, or the like.
  • the flavor molded body 60 may be a compressed tablet or a highly compressible material (highly compressed body) such as paraffin paper.
  • the method for molding the highly compressed body is not particularly limited as long as the molded body can be molded so as to be compressed; for example, a method of extruding a material such as a non-tobacco base material using an extruder to obtain an extruded body , A method to obtain a tablet molded product by compressing a material such as a non-tobacco base material using a tablet machine, or a method to obtain paraffin paper by compressing and molding beaten pulp using a calendar etc. as a raw material, etc. can be mentioned.
  • commercially available products may be used as the extrusion molded product, the tablet molded product, or the paraffin paper.
  • the flavor molded body 60 can contain a flavor material, and the flavor material can further contain a tobacco material.
  • the content of the tobacco material in the flavor molded body 60 is 10% by weight or less.
  • a method using a mixture of a non-tobacco base material such as a ceramic, a synthetic polymer, or a pulp derived from a plant other than the tobacco plant (which may also be a melt of the non-tobacco base material) and a flavoring material examples include a method of applying a flavor material to the surface of the obtained non-tobacco base flavor molded body 60 by coating or spraying.
  • step 20 may include a process of coating the surface of the flavor molded body 60 with a coating material.
  • wax can be used as this coating material.
  • this wax include Microcrystan WAX (model number: Hi-Mic-1080 or Hi-Mic-1090) manufactured by Nippon Seiro Co., Ltd., and water-dispersed ionomer (model number: Chemipearl S120) manufactured by Mitsui Chemicals. ), Hiwax (model number: 110P) manufactured by Mitsui Chemicals, etc. can be used.
  • corn protein can also be used as a coating material.
  • Zein model number: Kobayashi Zein DP-N manufactured by Kobayashi Perfume Co., Ltd.
  • polyvinyl acetate can also be used as a coating material.
  • the coating material covering the surface of the flavor molded body 60 has pores (fine pores) that allow the flavor components in the non-tobacco base material to pass through while suppressing the passage of the non-tobacco base material. It is preferable that a plurality of them be provided. That is, the pores of this coating material need only have a size larger than the size of the flavor component and smaller than the size of the non-tobacco base material. According to this configuration, the flavor components in the non-tobacco base material can be eluted into the aerosol generation liquid Le while suppressing the non-tobacco base material from eluting into the aerosol generation liquid Le.
  • the specific size (diameter) of the pores provided in this coating material is not particularly limited, but to give a specific example, a value selected from the range of 10 ⁇ m or more and 3 mm or less may be used. can.
  • a net-like mesh member can also be used as the coating material.
  • the flavor components in the non-tobacco base material can be eluted into the aerosol generation liquid Le while suppressing the non-tobacco base material from eluting into the aerosol generation liquid Le.
  • tobacco residue may be included in the non-tobacco base material.
  • the flavor components remaining in the tobacco residue can be eluted into the aerosol generation liquid Le while suppressing the tobacco residue from eluting into the extract liquid.
  • the flavor molded body 60 can also be manufactured by washing tobacco residue and the like with a cleaning liquid in the molding process related to step S20, and incorporating the washed tobacco residue and the like into the non-tobacco base material.
  • the amount of carbonized components contained in the tobacco residue or the like can be reduced as much as possible by washing, and the flavor molded body 60 can be manufactured using the tobacco residue or the like with the reduced amount of carbonized components.
  • adhesion of carbonized components to the load 40 can be effectively suppressed.
  • occurrence of burnt on the load 40 can be effectively suppressed.
  • the method according to the present embodiment may include a coating step of coating the surface of the flavor molded body 60 with a coating material containing a flavor component.
  • the method of coating the coating material containing a flavor component is not particularly limited, and for example, a solution in which a flavor component or a flavor component imparting material is dissolved in a solvent, or a slurry in which a flavor component or a flavor component imparting material is dispersed in a dispersion medium is used. Examples include a method of applying a flavor material to the surface of the flavor molded body 60 by coating or spraying a mixture of (also simply referred to as "slurry").
  • the conditions for the coating treatment of the coating material A described above can be applied within the applicable range.
  • a method similar to the method for molding may be adopted.
  • step S30 an assembly process related to step S30 is executed. Specifically, in step S30, the atomization unit 12 in which the flavor molded object 60 is not accommodated is prepared, and the flavor molded object 60 after step S20 is placed in the liquid storage section 50 of this atomization unit 12. and the aerosol generating liquid Le containing nicotine obtained in step 10. In this case, apart from the flavor component added to the flavor molded body 60 in step S20 described above, a flavor component may be further added to the aerosol generation liquid Le stored in the liquid storage section 50. . Through the above steps, the atomization unit 12 of the suction tool 10 according to the present embodiment is manufactured.
  • a modification of the present embodiment is a manufacturing method that does not include the step of storing the aerosol generation liquid Le containing nicotine in step 30.
  • the user of the atomization unit 12 can replenish the liquid into the liquid storage section 50 by himself/herself.
  • FIG. 7 is a flow diagram for explaining a method for manufacturing the atomization unit 12 according to the first modification of the second embodiment.
  • the manufacturing method of the atomizing unit 12 shown in FIG. 7 is a manufacturing method of the atomizing unit 12 of a suction tool having a liquid storage section 50, a nicotine-containing liquid preparation step of preparing a nicotine-containing liquid; a molding step of molding a flavor molded body 60 containing a non-tobacco base material; an addition step of adding the nicotine-containing liquid to the flavor molded body 60; an assembly step of accommodating the flavor molded body 60 to which the nicotine-containing liquid has been added and the aerosol base material in the liquid storage section 50; has The flavor molded body 60 is coated with a coating material containing a flavor component.
  • the manufacturing method according to this modification may include steps other than the above nicotine-containing liquid preparation step, molding step, addition step, and assembly step.
  • the flavor molded body 60 obtained by the manufacturing method according to the present embodiment provides the same effects as the manufacturing method described above.
  • Step S10A is an embodiment in which an arbitrary liquid is used instead of the aerosol generation liquid Le in step S10 described with reference to FIG.
  • a method for obtaining a nicotine-containing liquid for example, a method of dissolving synthetic nicotine obtained by synthesis etc. in an arbitrary solvent, a method of dissolving natural nicotine obtained by extraction of tobacco materials in an arbitrary solvent, etc. can be mentioned.
  • a method for obtaining synthetic nicotine and natural nicotine the method described in the description of the atomization unit 12 above can be applied.
  • Any solvent is not particularly limited as long as it can dissolve the substance to be dissolved, and may be an aerosol base material, such as glycerin, propylene glycol, triacetin, 1,3-butanediol, and water.
  • an aerosol base material such as glycerin, propylene glycol, triacetin, 1,3-butanediol, and water.
  • the flavor molded body 60 is manufactured in the molding process according to step S20.
  • Step S20 according to this modification is similar to step S20 described with reference to FIG. 6, so detailed explanation will be omitted.
  • the method for manufacturing the atomization unit 12 according to Modification 1 may include the coating step in the method described above.
  • the nicotine-containing liquid obtained in the nicotine-containing liquid preparation step is added to the flavor molded body 60 obtained in the above-described molding step.
  • the method of addition is not particularly limited, and a desired amount of the nicotine-containing liquid may be added to the flavor molded body 60 all at once, or the nicotine-containing liquid may be added by coating or spraying on the surface of the flavor molded body 60. Alternatively, the flavor molded body 60 may be added by immersing it in a nicotine-containing liquid.
  • Step S30A In the manufacturing method of the atomization unit 12 according to the first modification, in the assembly process according to step S30A, the flavor molded body 60 to which the nicotine-containing liquid obtained in the above-mentioned addition process has been added and the aerosol base material are added to the aerosol base material. It is stored in the liquid storage section 50.
  • Step S30A according to this modification is an embodiment in which the nicotine-containing aerosol generating liquid Le in step S30 described in FIG. 6 is replaced with an aerosol base material.
  • the aerosol base material is not particularly limited, and examples include one or more substances selected from the group consisting of glycerin, propylene glycol, triacetin, 1,3-butanediol, and water.
  • nicotine is eluted from the flavor molded body 60 housed in the liquid storage section 50 into the aerosol base material, so that the flavor molded body 60 and the aerosol generation liquid Le containing nicotine are finally stored in the liquid storage section 50. will be accommodated.
  • a further modification 1A of modification 1 is an embodiment in which, instead of the above-described addition step, an adhesion step is provided in which the nicotine-containing liquid obtained in the nicotine-containing liquid preparation step is adhered to the inner surface of the wall defining the liquid storage section 50. It is.
  • this modification 1A in the assembly process, nicotine is eluted from the nicotine-containing liquid attached to the wall of the liquid storage section 50 to the aerosol base material, so that the liquid storage section 50 finally has the following properties: The flavor molded body 60 and the aerosol generation liquid Le containing nicotine will be accommodated.
  • FIG. 8 is a perspective view schematically showing the appearance of the suction tool 10 according to this embodiment.
  • the suction device 10 according to the present embodiment is a non-combustion heating type suction device, and specifically, is a non-combustion heating type electronic cigarette.
  • the suction tool 10 extends in the direction of the central axis CL of the suction tool 10.
  • the suction tool 10 has, for example, a "long axis direction (direction of the central axis CL)", a "width direction” perpendicular to the long axis direction, and a “thickness” perpendicular to the long axis direction and the width direction. It has an external shape having a direction. The dimensions of the suction tool 10 in the long axis direction, width direction, and thickness direction decrease in this order.
  • the Z-axis direction (Z direction or -Z direction) corresponds to the major axis direction
  • the X-axis direction (X direction or -X direction) corresponds to the width direction
  • the Y-axis direction (Y direction or ⁇ Y direction) corresponds to the thickness direction.
  • the suction tool 10 includes a power supply unit 11 and the atomization unit 12 described above.
  • the power supply unit 11 is detachably connected to the atomization unit 12. Inside the power supply unit 11, a battery as a power source, a control device, etc. are arranged.
  • the atomization unit 12 is connected to the power supply unit 11, the power supply of the power supply unit 11 and the load 40 of the atomization unit 12, which will be described later, are electrically connected.
  • the atomization unit 12 is provided with an outlet 13 for discharging air (that is, air). Air containing aerosol is discharged from this discharge port 13.
  • air that is, air
  • the user of the suction tool 10 can inhale the air discharged from the outlet 13.
  • a sensor is arranged in the power supply unit 11 to output the value of the pressure change inside the suction tool 10 caused by the user's suction through the discharge port 13.
  • a sensor detects the start of suctioning air and notifies the control device, and the control device starts energizing the load 40 of the atomization unit 12, which will be described later.
  • the sensor detects the end of the suction of air, notifies the control device, and the control device ends the energization of the load 40.
  • the power supply unit 11 may be provided with an operation switch for transmitting a request to start air suction and a request to end air suction to the control device by a user's operation.
  • the user can transmit a request to start air suction or a request to end suction to the control device by operating the operation switch.
  • the control device that receives the air suction start request or suction end request starts or ends energization to the load 40.
  • the configuration of the power supply unit 11 as described above is the same as that of the power supply unit 11 of a known suction tool as exemplified in, for example, Patent Document 2, so a more detailed explanation will be omitted.

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  • Manufacture Of Tobacco Products (AREA)

Abstract

Unité d'atomisation d'un dispositif d'inhalation, ladite unité d'atomisation étant équipée de ce qui suit : une partie de logement de liquide logeant une solution de production d'aérosol contenant de la nicotine à l'intérieur de celle-ci; une charge électrique dans laquelle le liquide de production d'aérosol dans la partie de logement de liquide est introduit, et par laquelle le liquide de production d'aérosol introduit est atomisé pour générer un aérosol; et un corps moulé d'arôme qui est placé dans la partie de logement de liquide et contient un matériau de base sans tabac, le corps moulé d'arôme étant revêtu d'un matériau de revêtement contenant un matériau aromatisant.
PCT/JP2022/016687 2022-03-31 2022-03-31 Unité d'atomisation, procédé de fabrication associé et dispositif d'inhalation Ceased WO2023188323A1 (fr)

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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2018523985A (ja) * 2015-06-29 2018-08-30 フィリップ・モーリス・プロダクツ・ソシエテ・アノニム エアロゾル発生システムのためのカートリッジおよび装置
WO2020182585A1 (fr) * 2019-03-08 2020-09-17 Philip Morris Products S.A. Système de génération d'aérosol et article à utiliser avec celui-ci

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2018523985A (ja) * 2015-06-29 2018-08-30 フィリップ・モーリス・プロダクツ・ソシエテ・アノニム エアロゾル発生システムのためのカートリッジおよび装置
WO2020182585A1 (fr) * 2019-03-08 2020-09-17 Philip Morris Products S.A. Système de génération d'aérosol et article à utiliser avec celui-ci

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