CN117279525A - Non-combustion heated scent extraction article and non-combustion heated scent extraction system - Google Patents
Non-combustion heated scent extraction article and non-combustion heated scent extraction system Download PDFInfo
- Publication number
- CN117279525A CN117279525A CN202180098062.9A CN202180098062A CN117279525A CN 117279525 A CN117279525 A CN 117279525A CN 202180098062 A CN202180098062 A CN 202180098062A CN 117279525 A CN117279525 A CN 117279525A
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- CN
- China
- Prior art keywords
- section
- aerosol
- combustion heated
- tobacco
- combustion
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- Pending
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Classifications
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
- A24D1/00—Cigars; Cigarettes
- A24D1/20—Cigarettes specially adapted for simulated smoking devices
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
- A24B15/00—Chemical features or treatment of tobacco; Tobacco substitutes, e.g. in liquid form
- A24B15/18—Treatment of tobacco products or tobacco substitutes
- A24B15/28—Treatment of tobacco products or tobacco substitutes by chemical substances
- A24B15/30—Treatment of tobacco products or tobacco substitutes by chemical substances by organic substances
- A24B15/32—Treatment of tobacco products or tobacco substitutes by chemical substances by organic substances by acyclic compounds
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
- A24D1/00—Cigars; Cigarettes
- A24D1/002—Cigars; Cigarettes with additives, e.g. for flavouring
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
- A24D1/00—Cigars; Cigarettes
- A24D1/02—Cigars; Cigarettes with special covers
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
- A24D1/00—Cigars; Cigarettes
- A24D1/02—Cigars; Cigarettes with special covers
- A24D1/025—Cigars; Cigarettes with special covers the covers having material applied to defined areas, e.g. bands for reducing the ignition propensity
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
- A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
- A24D3/04—Tobacco smoke filters characterised by their shape or structure
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
- A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
- A24D3/17—Filters specially adapted for simulated smoking devices
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
- A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
- A24D3/18—Mouthpieces for cigars or cigarettes; Manufacture thereof
-
- 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
- A24F40/20—Devices using solid 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
- A24F40/30—Devices using two or more structurally separated inhalable precursors, e.g. using two liquid precursors in two cartridges
-
- 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
-
- 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
- A24F40/46—Shape or structure of electric heating means
Landscapes
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Manufacture Of Tobacco Products (AREA)
Abstract
To provide a non-combustion heated flavor-absorbing article which is uniform in balance of components supplied to a user from the first half to the second half of use. A non-combustion heated flavour-absorbing article comprising an aerosol-generating rod and a mouthpiece section, the aerosol-generating rod having a first section comprising an aerosol-generating substrate and a second section comprising a flavour ingredient, the mouthpiece section comprising a cooling section and a filter section.
Description
Technical Field
The present invention relates to a non-combustion heated scent extraction article and a non-combustion heated scent extraction system.
Background
In a combustion flavor-absorbing article (cigarette), a tobacco rod containing a tobacco filler is burned to taste a flavor. As an alternative to this combustion flavor-absorbing article, a non-combustion heating flavor-absorbing article that heats to taste a flavor instead of a combustion tobacco stem has been proposed. In a non-combustion heated flavor-absorbing article, a tobacco rod is electrically heated, for example, at 200 to 400 ℃, so that tobacco flavor components are volatilized and absorbed by a user. The tobacco rod can be formed by wrapping a tobacco filler in a cylindrical shape with a paper wrapping material or the like. For example, it can be produced by pulverizing dried tobacco plants (mainly dried tobacco leaves), mixing, forming into a sheet having a thickness of 100 to 500 μm, cutting into a sheet having a width of 1mm and a length of 3 to 10mm, and packaging with paper wrapping material. Alternatively, the sheet may be wound with a paper wrapping material in a state where pleats are provided by crimping the sheet without cutting the molded article. The moisture content of the tobacco filler may be 10 to 15 mass% of the equilibrium moisture of the dry tobacco itself in a normal environment. The tobacco filler may comprise various volatile flavors in addition to the tobacco plants. Further, the tobacco filler may comprise an aerosol-generating substrate such as glycerin, propylene glycol, or the like. The aerosol-generating substrate volatilizes when the stem is heated, is cooled in a cooling section disposed downstream of the stem during inhalation by a user, is liquefied into an aerosol, and is supplied to the mouth of the user. The aerosol is supplied to the user along with the tobacco flavor component, so that the user can taste a sufficient flavor. A tobacco rod provided with a tobacco filler comprising such an aerosol-generating substrate may also be referred to as an aerosol-generating rod.
Examples of a heating method for heating the non-combustion heated flavor-absorbing article that electrically heats the aerosol-generating rod include a method for heating the outer periphery of the aerosol-generating rod (for example, patent document 1) and a method for heating the inside of the aerosol-generating rod (for example, patent document 2). On the other hand, patent documents 3 and 4 disclose aerosol-generating rods having two sections as aerosol-generating rods for non-combustion heated flavor-absorbing articles.
Prior art literature
Patent literature
Patent document 1 Japanese patent application laid-open No. 2019-523639
Patent document 2 Japanese patent No. 6000451
Patent document 3 International publication No. 2019/105750
Patent document 4 International publication No. 2019/110747
Disclosure of Invention
Problems to be solved by the invention
As described above, the combustion flavor-absorbing article and the non-combustion heating flavor-absorbing article each contain a large amount of tobacco flavor components, aerosol-generating substrates, moisture and other components having different vapor pressures and boiling points, each of which is composed of a plurality of substances, in a tobacco rod (aerosol-generating rod).
Here, in the combustion flavor-absorbing article, the combustion portion (combustion cone) burns while being used by being ignited at the tip end of the tobacco rod, and therefore, only the tobacco filler located at the most downstream portion of the combustion portion (combustion cone) at about 800 ℃. Therefore, the low boiling point component is uniformly supplied to the user at each timing of use regardless of the front and rear half of use.
On the other hand, in a non-combustion heated flavor-absorbing article, since heating is generally continued over the entire length of the aerosol-generating rod, components having a relatively low boiling point (components having a relatively high vapor pressure), such as tobacco flavor components, in the aerosol-generating rod are volatilized during the first half of use, and most of them are supplied to the user during the first half of use. On the other hand, components having a relatively high boiling point (components having a relatively low vapor pressure) such as an aerosol-generating substrate are mainly supplied in the latter half of the use. In this way, since the low boiling point component is mainly supplied in the first half of the use and the high boiling point component is mainly supplied in the second half of the use, the balance of the components supplied to the user is different at each timing of the use. Therefore, in the non-combustion heated flavor-absorbing article, it is required to balance the components supplied to the user from the first half to the second half of the use uniformly.
The purpose of the present invention is to provide a non-combustion heated flavor-absorbing article and a non-combustion heated flavor-absorbing system that are uniform in balance of components supplied to a user from the first half to the second half of use.
Means for solving the problems
The present invention includes the following embodiments.
[1] A non-combustion heated flavour extraction article comprising an aerosol-generating rod and a mouthpiece section, characterised in that,
the aerosol-generating rod has a first section comprising an aerosol-generating substrate and a second section comprising a flavour ingredient,
the mouthpiece section includes a cooling section and a filter section.
[2] The non-combustion heated flavor extracting article according to [1], wherein the aerosol-generating substrate is at least one selected from the group consisting of glycerin, propylene glycol and 1, 3-butylene glycol.
[3] The non-combustion heated scent-absorbing article of [1] or [2], the first section further comprising plant fibers.
[4] The non-combustion heated flavor-absorbing article according to [3], wherein the first section comprises a cylindrical wrapping material and a nonwoven fabric made of the plant fibers filled in the wrapping material, and the nonwoven fabric comprises the aerosol-generating substrate.
[5] The non-combustion heated flavor-absorbing article according to [4], wherein the sheet-like nonwoven fabric is filled in the wrapping material in a state of being overlapped by a plurality of sheets and folded into an S-shape.
[6] The non-combustion heated flavor-absorbing article according to [4] or [5], wherein the wrapping material is a metal foil, a sheet of metal foil bonded to paper, a polymer film, a sheet of polymer film bonded to paper, or paper coated on the surface with a coating agent selected from the group consisting of modified cellulose, modified starch, polyvinyl alcohol and vinyl acetate.
[7] The non-combustion heating flavor absorbing article according to any one of [4] to [6], wherein the wrapping material is a laminate of a paper layer constituting an outer surface and a liquid-impermeable layer constituting an inner surface,
the liquid-impermeable layer is constituted by a layer of a coating agent selected from the group consisting of a metal foil, a polymer film, or a modified cellulose, a modified starch, a polyvinyl alcohol, and a vinyl acetate,
at one end portion and the other end portion of the wrapping material, the liquid-impermeable layers of the wrapping material are bonded to each other so that the wrapping material is formed into a cylindrical shape.
[8] The non-combustion heated scent-absorbing article of any one of [1] to [7], the first section further comprising a tackifier.
[9] The non-combustion heated flavor-absorbing article according to any one of [1] to [8], wherein the flavor component comprises a tobacco component.
[10] The non-combustion heated flavor extracting article of [9], the second section comprising one or more tobacco materials selected from mesophyll, stem, flower, and root of a tobacco plant.
[11] The non-combustion heated flavor extracting article of [10], wherein the tobacco material comprises a flavor development aid.
[12] The non-combustion heated flavor extracting article of [10], wherein the tobacco material comprises a lipid.
[13] The non-combustion heated flavor-absorbing article according to any one of [1] to [12], wherein the second section is disposed on the mouthpiece section side with respect to the first section.
[14] The non-combustion heated flavor-absorbing article according to any one of [1] to [12], wherein the columnar first section is provided so as to extend in the axial direction of the aerosol-generating rod, and the second section is disposed on the outer periphery of the first section.
[15] The non-combustion heated flavor-absorbing article according to any one of [1] to [12], wherein the columnar second section is provided so as to extend in the axial direction of the aerosol-generating rod, and the first section is disposed on the outer periphery of the second section.
[16] The non-combustion heated scent-absorbing article according to any one of [1] to [13], the first section and the second section being connected by being wound with an outer wrapping material containing a heat-conductive raw material.
[17] A non-combustion heating flavor extracting system is provided with:
[1] the non-combustion heated flavor-absorbing article of any one of [16 ]; and
a heating device including a heater for heating the aerosol-generating rod of the non-combustion heated flavor-absorbing article.
[18] The non-combustion heated scent extraction system of [17], the heater comprising a first peripheral heater that heats the entire side of the first section of the column and heats a portion of the side of the second section of the column or does not heat the second section.
[19] The non-combustion heated scent extraction system of [17], the heater comprising a second peripheral heater that heats the entire side and the entire bottom surface of the columnar first section and heats at least a portion of the side of the columnar second section or does not heat the second section.
[20] The non-combustion heating scent extraction system of any one of [17] to [19], the heater comprising an internal heater that heats the interior of the first section of the column along the entire axial direction and heats the interior of the second section of the column in a portion of the axial direction or does not heat the second section.
[21] The non-combustion heating scent extraction system according to any one of [17] to [20], wherein a heating temperature of the heater is 200 to 350 ℃.
Effects of the invention
According to the present invention, it is possible to provide a non-combustion heated flavor-absorbing article and a non-combustion heated flavor-absorbing system which are uniform in balance of components supplied to a user from the first half to the second half of use.
Drawings
Fig. 1 is a schematic view showing an example of a non-combustion heated flavor-absorbing article according to the present embodiment.
Fig. 2 is a schematic diagram showing an example of a method of forming the first segment according to the present embodiment.
Fig. 3 is a schematic view showing an example of the method for bonding the wrapping material in the first section of the present embodiment.
Fig. 4 is a schematic view showing another embodiment of the aerosol-generating rod of the present embodiment.
Fig. 5 is a schematic diagram showing an example of the non-combustion heating flavor extracting system according to the present embodiment.
Fig. 6 is a schematic diagram showing another example of the configuration of a heater in the non-combustion heating flavor extracting system according to the present embodiment.
Detailed Description
[ non-Combustion heating fragrance absorbing article ]
The non-combustion heated flavor-absorbing article of the present embodiment comprises an aerosol-generating rod and a mouthpiece section. The aerosol-generating rod has a first section comprising an aerosol-generating substrate and a second section comprising a flavour ingredient. In addition, the mouthpiece section includes a cooling section and a filter section.
In the non-combustion heated flavor-absorbing article of the present embodiment, the aerosol-generating rod has a first section including the aerosol-generating substrate and a second section including a flavor component such as a tobacco component. Therefore, when heating the aerosol-generating rod, it is possible to increase the heating temperature of the first section including the aerosol-generating substrate having a relatively high boiling point (relatively low vapor pressure) and to decrease the heating temperature of the second section including the aroma component having a relatively low boiling point (relatively high vapor pressure). This can suppress volatilization of the flavor component having a low boiling point (high vapor pressure) in the first half of use, and can maintain volatilization and supply of the flavor component until the second half of use. Further, volatilization of the aerosol-generating substrate having a high boiling point (low vapor pressure) in the first half of the use can be promoted. Therefore, in the non-combustion heated flavor-absorbing article according to the present embodiment, the balance of the components supplied to the user can be made uniform from the first half to the second half of the use.
An example of the non-combustion heated flavor-absorbing article according to the present embodiment is shown in fig. 1 (a). The non-combustion heated flavor-absorbing article 1 shown in fig. 1 (a) includes an aerosol-generating rod 2 and a mouthpiece section 3. The aerosol-generating rod 2 has a first section 4 comprising an aerosol-generating substrate and a second section 5 comprising a flavour ingredient arranged downstream of the first section 4. The mouthpiece section 3 includes a cooling section 6, a center hole section 7, and a filter section 8 in this order from the upstream side. In the present embodiment, the mouthpiece section 3 may not include the center hole section 7. In use, at least a portion of the aerosol-generating rod 2 (the primary first section 4) is heated, the aerosol-generating substrate of the first section 4 and the flavour components of the second section 5 vaporise, and by extraction they move to the mouthpiece section 3 and are extracted from the end of the filter section 8.
(Aerosol generating rod)
The aerosol-generating rod of the present embodiment has a first section comprising an aerosol-generating substrate and a second section comprising a flavour ingredient. The aerosol-generating rod of the present embodiment may also comprise a plurality of the first sections and/or the second sections.
< first section >)
The first section of this embodiment comprises an aerosol-generating substrate. Examples of the aerosol-generating substrate include glycerin, propylene glycol, and 1, 3-butanediol. One kind of them may be used, or two or more kinds may be used at the same time.
The first section preferably further comprises plant fibers from the standpoint of sufficiently retaining the aerosol-generating substrate. Examples of the plant fiber include wood pulp, hemp, corn, bamboo, cotton, tobacco, and the like. One kind of them may be used, or two or more kinds may be used at the same time. The plant fiber can be plant fiber sheet formed by gathering plant fiber. From the viewpoints of stably holding the aerosol-generating substrate in the plant fiber sheet and securing the amount of aerosol generated in a necessary amount, the plant fiber preferably contains 10 to 50 mass%, more preferably 12 to 30 mass% of the aerosol-generating substrate.
The first section preferably includes a cylindrical wrapping material and a nonwoven fabric made of plant fibers filled in the wrapping material, and the nonwoven fabric includes an aerosol-generating substrate. In the first section, the aerosol-generating substrate can be sufficiently held by the nonwoven fabric. The thickness of the nonwoven fabric is not particularly limited, but may be, for example, 1 to 2mm. The nonwoven fabric preferably contains 10 to 50% by mass of the aerosol-generating substrate, more preferably 12 to 30% by mass.
In addition, the first section preferably includes a cylindrical wrapping material and paper made of plant fibers filled inside the wrapping material, the paper including an aerosol-generating substrate. In the first section, the aerosol-generating substrate can be adequately held by the paper. The thickness of the paper is not particularly limited, but may be, for example, 50 to 200 μm. The paper preferably contains 10 to 50% by mass of the aerosol-generating substrate, more preferably 12 to 30% by mass.
In the first section, for example, as shown in fig. 2 (a), it is preferable that a plurality of sheet-shaped nonwoven fabrics 21 are stacked and filled in the interior of the wrapping material in a state of being folded into an S-shape. In such a first section, the nonwoven fabrics are folded and filled, and therefore, the gaps between the nonwoven fabrics are not normally visually checked, but when a heater for internal heating such as a blade (blade) shape or a rod shape is inserted, for example, the heater enters the gaps between the nonwoven fabrics, and the nonwoven fabrics themselves are not damaged. Therefore, when the heater is heated, the nonwoven fabric and the like can be prevented from being burnt and becoming brittle, and remain as waste in the device.
In the first section, for example, as shown in fig. 2 (b), it is preferable that the sheet-like paper 31 is filled in the wrapping material in a state of being gathered. In this first section, for example, when a heater for internal heating such as a blade or a rod is inserted, the heater enters a gap between sheets, and the sheets themselves are not damaged. Therefore, when the heater is heated, the paper or the like is prevented from being burnt and becoming brittle, and remains as waste in the device. The nonwoven fabric may be pleated and filled instead of being folded into the S-shaped form. If the first section is pleated and filled, a plurality of channels through which air easily passes in the air flow direction are formed, so that the ventilation resistance of the first section can be reduced.
In addition, from the viewpoint of suppressing the exudation of the aerosol-generating substrate, it is desirable to use a material that reduces the liquid permeability. Examples of the wrapping material which is hardly permeable to a liquid include a metal foil, a sheet for bonding a metal foil to paper, a polymer film, a sheet for bonding a polymer film to paper, and paper coated with a coating agent such as modified cellulose, modified starch, polyvinyl alcohol, and vinyl acetate, which inhibits liquid permeation. In addition to the viewpoint of preventing the permeation of the liquid, a wrapping material containing a metal foil excellent in heat conductivity is preferable from the viewpoint of making the temperature distribution in the longitudinal direction of the first section uniform. Further, the metal foil is disposed on the inner side and the paper is disposed on the outer side after the rod is wound as a sheet for bonding the metal foil to the paper, and the appearance can be made similar to that of a usual combustion type flavor-absorbing article (cigarette). When the amount of the aerosol-generating substrate contained in the first section is made relatively small, the rod hardness, elasticity, and touch of the first section can be made similar to those of a usual combustion type flavor-absorbing article (cigarette) by using paper coated with a coating agent such as modified cellulose, modified starch, polyvinyl alcohol, and vinyl acetate, which inhibit the permeation of liquid, on the surface.
In the case where the wrapping material is a laminate of a paper layer constituting an outer surface and a liquid impermeable layer constituting an inner surface, the liquid impermeable layer may be constituted by a layer of a coating agent selected from the group consisting of a metal foil, a polymer film, or modified cellulose, modified starch, polyvinyl alcohol, and vinyl acetate. Here, it is preferable that the liquid-impermeable layers of the wrapping material are bonded to each other at one end portion and the other end portion of the wrapping material, so that the wrapping material is formed in a cylindrical shape. For example, as shown in fig. 3, a nonwoven fabric 22 including an aerosol-generating substrate is filled in a cylindrical wrapping material which is a laminate of a paper layer 24 constituting an outer surface and a liquid impermeable layer 23 constituting an inner surface. Here, at one end portion and the other end portion of the wrapping material, the liquid-impermeable layers 23 are bonded to each other (bonding portion 25) so that the wrapping material is formed in a cylindrical shape. By bonding the liquid impermeable layers to each other in this manner, the aerosol-generating substrate can be prevented from exuding to the outside.
The first section preferably further comprises a tackifier from the viewpoint of improving the retention of the aerosol-generating substrate. For example, when the aerosol-generating substrate such as glycerin or propylene glycol is liquid at normal temperature and is contained in a large amount in a nonwoven fabric, there is a possibility that the aerosol-generating substrate flows out of the nonwoven fabric. However, by further containing a tackifier such as nonwoven fabric, outflow of the aerosol-generating substrate to the outside can be suppressed, and the handleability can be improved. Examples of the thickener include thickening polysaccharides such as gellan gum, tamarind gum, agar, carrageenan, pectin and alginate, proteins such as collagen and gelatin, and modified celluloses such as HPC, CMC, HPMC. One kind of these tackifiers may be used, or two or more kinds may be used at the same time. When the first segment contains a tackifier, the content of the tackifier varies depending on the type of tackifier used, but is preferably 0.1 to 5.0 parts by mass relative to 100 parts by mass of the aerosol-generating substrate. For example, when glycerin is used as an aerosol-generating substrate, natural gellan gum is used as a thickener, and water is used as a diluent, an aerosol-generating substrate having a viscosity of 2000 to 26000 (mpa·sat 25 ℃) and excellent in retention can be obtained by containing 0.3 to 0.7 parts by mass of natural gellan gum and 23.5 parts by mass of water relative to 100 parts by mass of glycerin. The aerosol-generating substrate is gel-like in the room temperature region and is heated to about 60 to 70 ℃ to become liquid. In this way, when the aerosol-generating substrate is heated to be in a liquid state and applied to the nonwoven fabric or paper during the production of the first section, the aerosol-generating substrate can be easily contained therein and can be stably held in a gel state after the temperature is lowered to about room temperature.
The first section may contain, for example, a tobacco component, a flavor component (external flavor) other than the tobacco component, and the like, in addition to the aerosol-generating substrate, the plant fiber (nonwoven fabric or paper), the wrapping material, and the tackifier. Examples of the flavor component other than the tobacco component include L-menthol, a petiolus zizaniae extract, a reducing sugar, and a cocoa extract. In addition, the first section may not include a fragrance ingredient.
The length of the first section in the axial direction is not particularly limited, but may be, for example, 5 to 15mm. The length of the circumference of the first section is not particularly limited, but may be, for example, 15 to 24mm.
< second section >)
The second section of this embodiment contains a fragrance component. Examples of the flavor component include a tobacco component obtained by drying a tobacco plant, a tobacco extract, concentrating and classifying the tobacco extract, and a flavor component other than the tobacco component. Where the second section comprises tobacco components, the second section may comprise more than 1 tobacco material selected from mesophyll, veins, stems, flowers, and roots of a tobacco plant. The tobacco material may be a tobacco sheet described later. The second section may for example comprise a cylindrical wrapper and the tobacco material filled inside the wrapper.
The tobacco material may comprise a flavour development aid. The flavour development aid may comprise at least one of alkali metal and/or alkaline earth metal carbonates, bicarbonates, oxides and water oxides. Preferably, the flavour development aid is potassium carbonate or sodium carbonate. Since most of the tobacco components contained in the tobacco material are amines, the tobacco material contains the flavor-imparting auxiliary agent, thereby ensuring volatilization of the tobacco components even at a relatively low temperature and sufficiently imparting the tobacco flavor. The amount of the flavor development auxiliary contained in the tobacco material is preferably 5 to 20 parts by mass per 100 parts by mass of the tobacco material. The pH of the tobacco material can also reach 7-11 by adding the flavor development auxiliary agent. Alternatively, the pH may be determined by a pH meter (e.g., IQ240 manufactured by IQ Scientific instruments inc.). For example, distilled water 10 times by mass ratio is added to 2 to 10g of the tobacco material, and the mixture of water and the tobacco material is shaken at 200rpm for 10 minutes at room temperature (for example, 22 ℃) and left standing for 5 minutes, and then the pH of the obtained extract is measured with a pH meter.
In addition, the tobacco material may comprise lipids. Examples of the lipid include acyl glycerols such as monoglycerides, diglycerides and triglycerides, and fatty acids. One kind of them may be used, or two or more kinds may be used at the same time. By including the lipid in the tobacco material, the interaction between the lipid and the flavor component such as nicotine contained in the tobacco material can be utilized to suppress the excessive volatilization of the flavor component such as nicotine. In addition, since the tobacco material contains lipid, the aerosol generated at the time of use may contain lipid in a trace amount. In this way, the re-evaporation of the flavor component after the vapor of the flavor component and the aerosol-generating substrate is cooled to form an aerosol can be suppressed. The amount of the lipid contained in the tobacco material is preferably 2 to 15 parts by mass per 100 parts by mass of the tobacco material.
The second section may be, for example, a cut tobacco (thread) obtained by cutting tobacco leaves randomly filled in a tubular wrapping material, a cut tobacco sheet obtained by cutting tobacco sheets randomly or aligned, or a cut tobacco sheet filled with pleats without cutting tobacco sheets. Hereinafter, cut tobacco obtained by cutting tobacco leaves and cut tobacco will be collectively referred to as cut tobacco. Examples of the wrapping material include a roll paper formed into a tubular shape. The content of nicotine in the filler filled in the wrapping material is preferably 1.5% by mass or more, more preferably 2.0 to 4.0% by mass. In addition, the filling density of the tobacco shreds filled in the wrapping material is set to be 0.2-0.7 mg/mm 3 It is preferable to ensure that a sufficient flavor component is generated during use and that the second section has sufficient hardness of the rod.
The tobacco shred size and the method of preparing the tobacco shred are not particularly limited. As an example, cured tobacco leaves are cut into cut tobacco having a width of 0.5mm or more and 2.0mm or less and a length of 3mm or more and 10mm or less. Cut tobacco of this size is preferred in terms of filling with the filler. As another example, there is mentioned tobacco cut (thread type tobacco) obtained by cutting tobacco leaves to be processed into tobacco shreds having a width of 0.5mm or more and 2.0mm or less and a length longer than the tobacco shreds described above, preferably to the same extent as the filler. The linear tobacco cut filler is preferably a tobacco sheet from the viewpoint of ease of forming.
The moisture content of the tobacco shred may be 10% by mass or more and 15% by mass or less, and preferably 11% by mass or more and 13% by mass or less, relative to the total mass of the tobacco shred. When the moisture content is such, the occurrence of paper dust after the tobacco shred is filled in the filler can be suppressed.
The tobacco flakes are obtained by forming a composition containing cured tobacco leaves and the like into a flake shape. Cured tobacco leaves used for tobacco flakes are not particularly limited, but examples thereof include those from which veins are removed and separated into tobacco flakes and veins. In the present specification, the term "sheet" means a shape having a pair of substantially parallel main surfaces and side surfaces.
The tobacco flakes can be formed by a known method such as a paper making method, a casting method, or a rolling method. The various tobacco flakes formed by this method are disclosed in detail in "tobacco dictionary, comprehensive tobacco research center, 2009.3.31".
As a method for forming a tobacco sheet by the paper-making method, for example, a method including the following steps can be cited.
(1) Coarse pulverizing cured tobacco leaves, mixing and stirring the crushed cured tobacco leaves with a solvent such as water, and extracting water-soluble components from the cured tobacco leaves.
(2) Forming a water-soluble component and separating the water-soluble component into an aqueous extract and a residue.
(3) And drying the aqueous extract under reduced pressure and concentrating.
(4) A step (homogenizing step) of adding pulp to the residue and fiberizing the pulp with a refiner to obtain a mixture.
(5) And (3) a step of papermaking the mixture of the fibrillated residue and the pulp.
(6) And a step of adding the concentrated aqueous extract to the sheet after paper making, and drying the sheet to obtain a tobacco sheet.
When a tobacco sheet is formed by this method, a step of removing a part of components such as nitrosamine may be added (see JP-A2004-510422). The aerosol-generating substrate may be contained in a tobacco sheet provided to a non-combustion heated flavour-absorbing article. In the case of producing a tobacco sheet by the paper-making method, the aqueous extract concentrate and the aerosol-generating substrate may be mixed in the step (6), or the aerosol-generating substrate may be added in the following step (6).
As a method for forming a tobacco sheet by the slurry method, for example, a method including the following steps can be cited.
(1) And a step (homogenizing step) of mixing water, pulp, and a binder with the crushed material of cured tobacco to obtain a mixture.
(2) And a step of forming a tobacco sheet by thinly stretching (casting) and drying the mixture.
In the case of forming a tobacco sheet by this method, a step of removing a part of components such as nitrosamine by ultraviolet irradiation or X-ray irradiation of a slurry obtained by mixing water, pulp, a binder and crushed tobacco leaves may be added. An aerosol-generating substrate may be included in a tobacco sheet provided to a non-combustion heated flavor-absorbing article. In the case of producing a tobacco sheet by the slurry method, the aerosol-generating substrate may be mixed with the mixture of (1) above, or may be spray-added to the dried sheet after the step of (2).
As a method of forming a tobacco sheet by a rolling method, for example, a method including the following steps can be cited.
(1) And a step (homogenizing step) of mixing water, pulp, and a binder with the crushed material of cured tobacco to obtain a mixture.
(2) And a step of feeding the mixture to a plurality of rolling rolls and rolling the mixture.
(3) And a step of peeling off the roll-formed product on the roll by a doctor blade, transferring the product to a mesh conveyor, and drying the product by a dryer.
When a tobacco sheet is formed by this method, the surfaces of the rolling rolls may be heated or cooled according to the purpose, or the rotational speeds of the rolling rolls may be adjusted. Further, by adjusting the intervals between the rolling rolls, a tobacco sheet having a desired gram weight can be obtained. An aerosol-generating substrate may be included in a tobacco sheet provided to a non-combustion heated flavor-absorbing article. In the case of producing a tobacco sheet by the rolling method, the aerosol-generating substrate may be mixed with the mixture of (1) above, or the aerosol-generating substrate may be spray-added to the dried sheet after the step of (3).
In addition to the above-described forming method, a nonwoven fabric-like sheet may be formed according to a method including the following steps described in International publication No. 2014/104078.
(1) And a step (homogenizing step) of mixing the crushed cured tobacco with a binder to obtain a mixture.
(2) And sandwiching the mixture with a nonwoven fabric.
(3) And a step of forming the laminate into a predetermined shape by thermal fusion to obtain a nonwoven fabric-like tobacco sheet.
In the case where the aerosol-generating substrate is contained in a nonwoven fabric-like sheet, the aerosol-generating substrate may be spray-coated after (3).
In the homogenization step described in each of the above methods, from the viewpoint of obtaining a tobacco sheet having a constant strength, it is preferable that the average fiber length of the tobacco fibers contained in each mixture is 200 μm or more and 1000 μm or less, and the freeness of each mixture is 20 ° SR or more and 50 ° SR or less. The average fiber length of the tobacco fibers was 2 ten thousand or more in fiber count and was measured by optical automatic analysis (JISP 8226-2) using unpolarized light. The freeness was measured by the schuber-rayleigh method (JIS P8121).
The length and width of the tobacco sheet are not particularly limited, and may be appropriately adjusted according to the manner of filling the tobacco sheet with the filler to be described later. The thickness of the tobacco sheet is not particularly limited, but is preferably 150 μm or more and 1000 μm or less, more preferably 200 μm or more and 600 μm or less, from the viewpoint of both heat conduction efficiency and strength.
The composition of the tobacco flakes is not particularly limited, but for example, the content of cured tobacco leaves is preferably 50 mass% or more and 95 mass% or less with respect to the total mass of the tobacco flakes. The tobacco sheet may contain a binder, and examples of the binder include guar gum, xanthan gum, CMC (carboxymethyl cellulose), CMC-Na (sodium salt of carboxymethyl cellulose), and the like. The content of the binder is preferably 1 mass% or more and 20 mass% or less relative to the total mass of the tobacco flake. The tobacco flakes may also contain other additives. Examples of the other additives include fillers such as pulp. The content of the filler is not particularly limited, but is preferably 1 mass% or more and 20 mass% or less with respect to the total mass of the tobacco flake. Here, the water extraction residue of cured tobacco, which is an intermediate product when a tobacco sheet is formed by the paper-making method, is different from the filler.
Wrapping materialThe filling density of the tobacco material in the interior of the material can be appropriately set according to the manner of the tobacco material to be filled, the intended flavor, the ventilation resistance, and the like. For example, the packing density may be 0.2mg/mm 3 Above and 0.7mg/mm 3 In the following manner. The packing density is calculated by the ratio of the mass of tobacco material relative to the internal volume of the rod formed by the wrapper.
The length of the second section in the axial direction is not particularly limited, but may be, for example, 5 to 15mm. The length of the second section is not particularly limited, but may be, for example, 15 to 24mm.
< composition of aerosol-generating rod >
The configuration of the aerosol-generating rod is not particularly limited as long as the aerosol-generating rod includes the first section and the second section, but it is preferable that the second section is disposed on the mouthpiece section side (downstream side) with respect to the first section. For example, as shown in fig. 1 (a), the columnar second section 5 may be disposed on the mouthpiece section 3 side (downstream side) with respect to the columnar first section 4. In fig. 1 (a), the first section 4 may be formed by filling the nonwoven fabric 9 including the aerosol-generating substrate and made of plant fibers into the first wrapping material 10. In addition, the second section 5 may be constructed by filling the tobacco material 11 within the second wrapper 12. The ease of volatilization of each component contained in the first and second sections is mainly determined by the heating temperature, but the volatilization of the component is promoted by the presence of a substance having high compatibility with the volatilized component in the periphery. In this configuration, the aerosol-generating substrate volatilized in the first section is cooled and liquefied (aerosolized) at the moment of flowing into the second section when sucked, and the flavor component (for example, nicotine) existing in the second section is dissolved in the aerosol and carried out of the aerosol-generating rod, so that the concentration of the flavor component in the second section is reduced and volatilization is promoted. Thus, the release efficiency can be ensured without increasing the temperature of the second section significantly. Therefore, the flavor component can be released from the second section every time the suction operation is performed at a low temperature, and as a result, the outflow of the flavor component can be suppressed. The ratio (a/B) of the length (a) of the first section to the length (B) of the second section in the axial direction of the aerosol-generating rod is preferably 0.3 to 3.0, more preferably 0.5 to 2.0.
The first section and the second section may be connected by wrapping with an outer wrapper. Here, the exterior wrapping material may use a general paper wrapping material, but it is preferable that the exterior wrapping material contains a heat conductive raw material. By wrapping the first section and the second section with an outer wrapping material containing a heat-conducting raw material, for example, in the case of heating the side face of the first section with only an outer peripheral heater, the heat of the heater can be uniformly and efficiently conducted to the second section. Examples of the heat conductive material include a metal foil having a higher heat conductivity than paper. In particular, it is preferable to use a metal foil having a thermal conductivity of 10W/mK or more, being inexpensive, being less prone to rust, and having high workability (thickness of several μm to 10 μm, high tensile strength, and being easily bendable) as represented by an aluminum foil or a stainless steel foil. For reference, the thermal conductivity of a representative metal foil (alloy foil) is shown in table 1.
TABLE 1
Further, the columnar first section may be provided so as to extend in the axial direction of the aerosol-generating rod, and the second section may be disposed on the outer periphery of the first section. As shown in fig. 4 (a), for example, the second section 5 may be disposed on the (lateral) outer periphery of the columnar first section 4. In this configuration, the heating can be performed by inserting an internal heater such as a blade heater into the first section. In this configuration, the first section heated at a higher temperature is preferably formed in a thin coil shape, so that the first section can be efficiently heated at a high temperature by the internal heater. In addition, by adjusting the filling density of each filler, the ease of air flow in the longitudinal direction of the cylindrical rod at the time of suction is set so that the second section is more flowable than the first section, and the aerosol-generating substrate that is not mainly generated moves from the first section directly toward the mouthpiece but the aerosol-generating substrate that is mainly generated moves from the first section toward the second section, and the flavor component can be entrained and moved toward the mouthpiece portion. In this case, the interface between the first section and the second section is preferably made of a permeable wrapping material that is permeable to gas or aerosol, for example, paper having a ventilation degree of 1000 to 30000 units of ventilation degree. In addition, even if there is no member such as a wrapping material at the interface, it is preferable from the viewpoint of promoting the movement of the gas component from the first section to the second section.
Further, the columnar second section may be provided so as to extend in the axial direction of the aerosol-generating rod, and the first section may be disposed on the outer periphery of the second section. For example, as shown in fig. 4 (b), the first section 4 may be disposed on the (lateral) outer periphery of the columnar second section 5. In this configuration, the side surface of the first section can be heated by the outer peripheral heater. In the above-described configuration, it is preferable that the first section which is desired to be heated at a higher temperature is efficiently heated at a high temperature by the external heater. In addition, by adjusting the filling density of each filler, the ease of air flow in the longitudinal direction of the cylindrical rod at the time of suction is set so that the second section is more easily moved than the first section, and the aerosol-generating substrate that is not mainly generated moves from the first section directly toward the mouthpiece but mainly generated moves from the first section toward the second section, so that the flavor component can be entrained and moved toward the mouthpiece portion. In this case, the interface between the first section and the second section is preferably made of a permeable wrapping material that is permeable to gas or aerosol, for example, paper having a ventilation degree of 1000 to 30000 units of ventilation degree. In addition, even if there is no member such as a wrapping material at the interface, it is preferable from the viewpoint of promoting the movement of the gas component from the first section to the second section.
The length of the aerosol-generating rod in the axial direction is not particularly limited, but may be, for example, 12 to 50mm. The circumference of the aerosol-generating rod is not particularly limited, but may be, for example, 15 to 24mm.
(cigarette holder section)
The mouthpiece section of the present embodiment includes a cooling section and a filter section. The mouth piece section of the present embodiment may include a plurality of cooling sections and/or filter sections. The mouthpiece section of the present embodiment may include a section other than the cooling section and the filter section. As the other section, for example, a center hole section and the like can be cited.
< Cooling section >)
As shown in fig. 1 (a), the cooling section 6 may be constituted by a tubular member 13. The tubular member 13 may be, for example, a paper tube formed by processing thick paper into a cylindrical shape.
The cooling section is located downstream of the aerosol-generating rod. The cooling section is required to have a function of minimizing the reduction of the flavor component and the vapor of the aerosol-generating substrate generated in use by filtration and adsorption, and to cool and liquefy (aerosolize) the flavor component and the vapor of the aerosol-generating substrate. For example, at the time of suction, the difference between the section internal temperature at the cooling section inlet and the section internal temperature at the cooling section outlet may be 20 ℃ or higher. When the high-temperature vapor component of the flavor component or the aerosol-generating substrate passes through the cellulose acetate fiber filling segment used as the filter member of a general combustion-type flavor-absorbing article, the temperature difference between the segment inlet and the segment outlet may be 20 ℃ or higher, but the vapor of the flavor component or the aerosol-generating substrate is considerably reduced by filtration or adsorption when passing through the fiber filling layer. This fiber-filled layer is not referred to herein as a cooling section.
As one embodiment of the cooling section, a hollow tube may be formed by processing a sheet of paper or a plurality of sheets of paper into a cylindrical shape. The material constituting the tube may be a material obtained by corrugating cellulose acetate fibers into a sheet, or may be a plastic film such as polyolefin or polyester, in addition to the above-mentioned paper. In addition, in order to increase the cooling effect by bringing the room-temperature outside air into contact with the high-temperature vapor, it is preferable to form a cooling pipe around the pipeHas holes for introducing outside air. By applying a polymer coating such as polyvinyl alcohol or a polysaccharide coating such as pectin to the inner surface of the tube, the cooling effect can be increased by utilizing the heat of solution accompanying the heat absorption and phase change of the coating. The ventilation resistance of the cylindrical cooling section is zero mmH 2 O。
As another aspect of the cooling section, it is preferable to fill the inside of the tube processed into a cylindrical shape with a sheet member for cooling. In this case, by providing one or more air flow channels in the flow direction, the cooling of the cooling fin can be performed while achieving low-level removal of components in the passing section. The ventilation resistance of the cooling section when filling the cooling fin is desirably 0 to 30mmH 2 O. The resistance to air flow (RTD) is the pressure required to force air through the entire length of the object under test at 22 ℃ and a flow rate of 17.5 ml/sec of 101kPa (760 torr). RTDs are generally known as mmH 2 Units of O, and according to ISO 6565: 2011. Even in the case where the cooling fin is filled, holes for introducing outside air may be provided in the pipe member.
The total surface area of the cooling sheet member can be 300mm 2 Above/mm and 1000mm 2 And/mm or less. The surface area is the surface area per length (mm) of the cooling sheet member in the ventilation direction. The total surface area of the cooling sheet member is preferably 400mm 2 Preferably at least 450mm 2 Above/mm, on the other hand, preferably 600mm 2 Preferably less than or equal to/mm, more preferably 550mm 2 And/mm or less.
From the standpoint of cooling function, it is desirable that the sheet member for cooling has a large surface area. From the standpoint of reducing the amount of flavor components and removing the aerosol-generating substrate by filtration and adsorption, it is desirable that the ventilation resistance of the cooling section filled with the cooling sheet member is low. Thus, in a preferred embodiment, the cooling sheet may be formed of a sheet of a thinner material folded by folding, followed by creasing, and pleating, in order to form a channel in the flow direction.
In some embodiments, the thickness of the constituent material of the cooling sheet member may be 5 μm or more and 500 μm or less, for example, 10 μm or more and 250 μm or less.
The sheet member for cooling may be a sheet material such as a metal foil, a polymer sheet, or a paper sheet having low air permeability. In an embodiment, the cooling section may comprise a sheet material selected from the group consisting of polyethylene, polypropylene, polyvinyl chloride, polyethylene terephthalate, polylactic acid, cellulose acetate, and aluminum foil.
In addition, from the viewpoint of reducing environmental load, it is also desirable to use paper as a material of the sheet member for cooling. The paper used for the cooling sheet member desirably has a grammage of 30 to 100g/m 2 The thickness is 20-100 μm. From the viewpoint of reducing removal of flavor components and aerosol-generating substrate components in the cooling zone, it is desirable that the paper as a material for the cooling fin has a low air permeability, and the air permeability is preferably 10 air permeability units or less. By applying a polymer coating such as polyvinyl alcohol or a polysaccharide coating such as pectin to paper as a cooling sheet member, the cooling effect can be increased by utilizing the heat of solution accompanying heat absorption and phase change of the coating.
In fig. 1 (a), a through hole 14 penetrating both the tubular member 13 and a mouthpiece backing paper 20 described later is provided. Due to the perforations 14, outside air is introduced into the cooling section 6 during suction. As a result, the aerosol-generating component generated by heating the aerosol-generating rod 2 is brought into contact with the outside air, and the temperature thereof is reduced, so that the aerosol is liquefied to form an aerosol. The diameter (length) of the through hole 14 is not particularly limited, but may be, for example, 0.5mm to 1.5 mm. The number of the perforations 14 is not particularly limited, and may be one or two or more. For example, a plurality of perforations 14 may also be provided around the circumference of the cooling section 6.
The amount of external air introduced from the through holes 14 is preferably 85% by volume or less, more preferably 80% by volume or less, relative to the volume of the entire gas sucked by the user. By setting the proportion of the outside air amount to 85% by volume or less, the reduction of flavor due to dilution with outside air can be sufficiently suppressed. In addition, when it is put another way, it is also called a ventilation ratio. The lower limit of the range of the ventilation ratio is preferably 55% by volume or more, more preferably 60% by volume or more, from the viewpoint of cooling performance.
In some embodiments, the temperature of the aerosol produced may be reduced by more than 10 ℃ when the aerosol is drawn by a user through the cooling section. In another embodiment, the temperature may be lowered by 15℃or more, and in yet another embodiment, the temperature may be lowered by 20℃or more.
The cooling section may be formed in a rod shape having a length in the axial direction of, for example, 7mm to 30 mm. For example the axial length of the cooling section may be 20mm.
In some embodiments, the cooling section is substantially circular in cross-sectional shape in the axial direction, and the circumference is preferably 16 to 25mm, more preferably 20 to 24mm, and even more preferably 21 to 23mm.
< center hole section >)
The central bore section is made up of a filler layer having one or more hollows and an inner plug wrap (inner roll paper) covering the filler layer. For example, as shown in fig. 1 (a), the central hole section 7 is composed of a second filler layer 15 having a hollow portion and a second inner plug wrap 16 covering the second filler layer 15. The central hole section 7 has a function of improving the strength of the mouthpiece section 3. The second filler layer 15 may be, for example, a rod in which 6 mass% or more and 20 mass% or less of cellulose acetate fibers are filled with a plasticizer containing triacetin at high density and solidified so that the inner diameter is 1.0mm or more and 5.0mm or less is added to the mass of cellulose acetate. Since the second filling layer 15 has a high filling density of fibers, air and aerosol flow only through the hollow portion at the time of suction, and hardly flow in the second filling layer 15. The second filling layer 15 inside the central hole section 7 is a fibrous filling layer, so that the feeling from the outside in use is less uncomfortable for the user. Alternatively, the central bore section 7 may be provided without the second inner plug wrap 16, but instead may be thermoformed to retain its shape.
Filter segment
Construction of filter segmentsIs particularly limited but may be constituted by a single or a plurality of filler layers. For example, as shown in fig. 1 (a), the outer side of the first filler layer 17 may also be wrapped with a first inner plug wrap 18 (inner plug wrap) in the filter section 8. The ventilation resistance of each of the filter segments can be appropriately changed by the amount of filler, the material, etc. that is filled in the filter segment. For example, in the case where the filler is cellulose acetate fiber, the ventilation resistance can be increased by increasing the amount of cellulose acetate fiber filled in the filter segment. In the case where the filler is cellulose acetate fiber, the cellulose acetate fiber may have a packing density of 0.13 to 0.18g/cm 3 . In addition, even at the same packing density, the larger one of the packed cellulose acetate fibers is preferable because it exhibits a lower air resistance. The thickness of one cellulose acetate fiber is preferably 5 to 20 denier per filament. Also, from the viewpoint of high-speed manufacture of the filter segment, 7 to 13 deniers/filaments are further preferable. The air flow resistance was measured by an air flow resistance measuring instrument (trade name: SODIMAX, manufactured by SODIM).
The circumference of the filter section is not particularly limited, but is preferably 16 to 25mm, more preferably 20 to 24mm, and even more preferably 21 to 23mm. The axial length of the filter segments can be selected to be 5 to 20mm, the ventilation resistance of which is selected to be 10 to 60mmH 2 O/seg. The axial length of the filter segments is preferably 5 to 9mm, more preferably 6 to 8mm. The cross-sectional shape of the filter segment is not particularly limited, but may be, for example, circular, elliptical, polygonal, or the like. In addition, destructive capsules containing flavours, flavourant beads, flavourants may also be added directly to the filter segments.
As shown in fig. 1 (a), the central bore section 7 and the filter section 8 may be connected by an outer plug wrap (outer wrapper) 19. The outer core rod wrapping material 19 may be, for example, cylindrical paper. In addition, the aerosol-generating rod 2, the cooling section 6, the connected central bore section 7 and the filter section 8 may be connected by a tipping paper 20. The connection may be performed by, for example, coating the inner side of the tipping paper 20 with a paste such as a vinyl acetate paste, placing the three sections, and winding the three sections. Alternatively, the sections may be connected in multiple portions with multiple interleaving papers. As shown in fig. 1 (b), the first segment 4 may be fixed by the tipping paper 20. As shown in fig. 1 (c), the first section 4 and the second section 5 may be connected by the outer wrapping material 34, and then the aerosol-generating rod 2, the cooling section 6, the connected center hole section 7, and the filter section 8 may be connected by the tipping paper 20.
(composition of non-Combustion heated flavor-absorbing article)
The length in the axial direction of the non-combustion heated flavor-absorbing article of the present embodiment is not particularly limited, but is preferably 40mm to 90mm, more preferably 50mm to 75mm, and even more preferably 50mm to 60 mm. The circumference of the non-combustion heated flavor-absorbing article is preferably 16mm to 25mm, more preferably 20mm to 24mm, and even more preferably 21mm to 23 mm. For example, the length of the aerosol-generating rod is 20mm, the length of the cooling section is 20mm, the length of the central hole section is 8mm, and the length of the filter section is 7 mm. In addition, the length of the filter segment can be selected in the range of 4mm to 20 mm. In addition, the ventilation resistance of the filter sections at this time was selected to be 10mmH per section 2 O/seg above 60mmH 2 O/seg is less than or equal to. The length of each segment may be appropriately changed according to manufacturing suitability, required quality, and the like. Further, even if only the filter section is disposed downstream of the cooling section without using the center hole section, the filter section can function as a non-combustion heated flavor-absorbing article.
[ non-Combustion heating fragrance extraction System ]
The non-combustion heated flavor extracting system according to the present embodiment includes a heating device including the non-combustion heated flavor extracting article according to the present embodiment and a heater for heating the aerosol-generating rod of the non-combustion heated flavor extracting article. The non-combustion heating flavor extracting system of the present embodiment is provided with the non-combustion heating flavor extracting article of the present embodiment, and thus the balance of the components supplied to the user from the first half to the second half of the use is uniform. The non-combustion heating flavor extracting system according to the present embodiment may have a structure other than the heating device.
An example of the non-combustion heating scent extraction system of the present embodiment is shown in fig. 5. The non-combustion heating flavor extracting system shown in fig. 5 includes the non-combustion heating flavor extracting article 1 of the present embodiment and the heating device 27 of the aerosol-generating rod that heats the non-combustion heating flavor extracting article 1 from the outside. Fig. 5 (a) shows a state before the non-combustion heated flavor extracting article 1 is inserted into the heating device 27, and fig. 5 (b) shows a state in which the non-combustion heated flavor extracting article 1 is inserted into the heating device 27 and heated. The heating device 27 shown in fig. 5 includes a main body 28, a heater 29, a metal pipe 30, a battery unit 31, and a control unit 32. The main body 28 has a cylindrical recess 33, and the heater 29 and the metal tube 30 are disposed on the inner side surface of the recess 33 at positions corresponding to the aerosol-generating rod (mainly the first section) of the non-combustion heated flavor-absorbing article 1 inserted into the recess 33. The heater 29 may be a resistance-based heater, and the battery unit 31 is supplied with electric power in accordance with an instruction from the temperature control unit 32 to heat the heater 29. The heat emitted from the heater 29 is transferred through the metal tube 30 of high thermal conductivity to the aerosol-generating rod (mainly the first section) of the non-combustion heated flavour extracting article 1.
Since it is schematically illustrated in fig. 5 (b), there is a gap between the outer periphery of the non-combustion heating scent-absorbing article 1 and the inner periphery of the metal pipe 30, but in practice, for the purpose of efficiently transferring heat, it is desirable that there is no gap between the outer periphery of the non-combustion heating scent-absorbing article 1 and the inner periphery of the metal pipe 30. The heating device 27 heats the aerosol-generating rod (mainly the first section) of the non-combustion heated flavor-absorbing article 1 from the outside, but may also heat the aerosol-generating rod from the inside. In the case of heating from the inside, it is preferable to use not the metal pipe 30 but a plate-like, blade-like, columnar heater having rigidity. Examples of the heater include ceramic heaters in which molybdenum, tungsten, or the like is applied to a ceramic substrate.
In the non-combustion heating scent extraction system of the present embodiment, it is preferable that the heater includes a first peripheral heater that heats the entire side surface of the columnar first section and heats a part of the side surface of the columnar second section or does not heat the second section. With this configuration, the heating temperature of the first section including the aerosol-generating substrate having a relatively high boiling point (relatively low vapor pressure) can be increased, and the heating temperature of the second section including the flavor component having a relatively low boiling point (relatively high vapor pressure) can be reduced, so that the balance of the components supplied to the user can be made uniform from the first half to the second half of the use. The first peripheral heater may heat the entire side of the columnar first section and heat a portion of the side of the columnar second section, for example, as the heater 29 shown in fig. 5. In fig. 5, the heater 29 heats a part of the side surface of the second section, but the second section may not be heated. In this case, the second section is heated by heat conduction, waste heat from the first section.
In the other non-combustion heating fragrance extraction system according to the present embodiment, the heater preferably includes a second peripheral heater that heats the entire side surface and the entire bottom surface of the columnar first section, and heats at least a part of the side surface of the columnar second section or does not heat the second section. With this configuration, the balance of the components supplied to the user can be made uniform from the first half to the second half of the use, as in the above-described embodiment. The second peripheral heater may heat the entire side surface and the entire bottom surface of the columnar first section and heat the side surface of the columnar second section, for example, as in the heater 29 shown in fig. 6 (a). In fig. 6 (a), the heater 29 heats the side surface of the second section, but the second section may not be heated. In this case, the second section is heated by heat conduction, waste heat from the first section.
In addition, in the other non-combustion heating scent extraction system of the present embodiment, the heater preferably includes an internal heater that heats the inside of the columnar first section in the entire axial direction, and heats the inside of the columnar second section in a part of the axial direction or does not heat the second section. With this configuration, the balance of the components supplied to the user can be made uniform from the first half to the second half of the use, as in the above-described embodiment. The internal heater may heat the inside of the columnar first section in the entire axial direction and not heat the columnar second section, for example, as the heater 29 shown in fig. 6 (b). In fig. 6 (b), the heater 29 does not heat the second section, but may heat the inside of the second section at a part in the axial direction.
In the other non-combustion heating fragrance extraction system according to the present embodiment, the heater may be a combination of the first or second peripheral heater and the internal heater. The heater may be a combination of an outer peripheral heater that heats the entire side surfaces of the columnar first and second sections and an inner heater that heats the inside of the columnar first section in the entire axial direction and does not heat the columnar second section, for example, as the heater 29 shown in fig. 6 (c).
The heating temperature of the heater is preferably 200 to 350 ℃. The heating temperature represents the temperature of the heater.
Claims (21)
1. A non-combustion heated flavour extraction article comprising an aerosol-generating rod and a mouthpiece section, characterised in that,
the aerosol-generating rod has a first section comprising an aerosol-generating substrate and a second section comprising a flavour ingredient,
the mouthpiece section includes a cooling section and a filter section.
2. The non-combustion heated scent extraction article of claim 1,
the aerosol-generating substrate is at least one selected from the group consisting of glycerin, propylene glycol, and 1, 3-butanediol.
3. The non-combustion heated scent extraction article of claim 1 or 2,
the first section also comprises plant fibers.
4. The non-combustion heated scent extraction article of claim 3,
the first section includes a cylindrical wrapping material and a nonwoven fabric made of the plant fibers filled in the wrapping material, and the nonwoven fabric includes the aerosol-generating substrate.
5. The non-combustion heated scent extraction article of claim 4,
the sheet-like nonwoven fabric is filled in the wrapping material in a state of being overlapped by a plurality of sheets and folded into an S-shape.
6. The non-combustion heated scent extraction article of claim 4 or 5,
the wrapping material is a metal foil, a bonding sheet of a metal foil and paper, a polymer film, a bonding sheet of a polymer film and paper, or a paper coated on the surface with a coating agent selected from the group consisting of modified cellulose, modified starch, polyvinyl alcohol, and vinyl acetate.
7. The non-combustion heated scent extraction article of any of claims 4 to 6,
The wrapping material is a laminate of a paper layer constituting the outer surface and a liquid impermeable layer constituting the inner surface,
the liquid-impermeable layer is constituted by a layer of a coating agent selected from the group consisting of a metal foil, a polymer film, or a modified cellulose, a modified starch, a polyvinyl alcohol, and a vinyl acetate,
at one end portion and the other end portion of the wrapping material, the liquid-impermeable layers of the wrapping material are bonded to each other so that the wrapping material is formed into a cylindrical shape.
8. The non-combustion heated scent extraction article of any of claims 1 to 7,
the first section also includes a tackifier.
9. The non-combustion heated scent extraction article of any of claims 1 to 8,
the flavour ingredient comprises a tobacco ingredient.
10. The non-combustion heated scent extraction article of claim 9,
the second section comprises one or more tobacco materials selected from mesophyll, stems, flowers, and roots of a tobacco plant.
11. The non-combustion heated scent extraction article of claim 10,
the tobacco material comprises a flavour development aid.
12. The non-combustion heated scent extraction article of claim 10,
the tobacco material comprises lipids.
13. The non-combustion heated scent extraction article of any of claims 1 to 12,
the second segment is disposed on the mouthpiece segment side with respect to the first segment.
14. The non-combustion heated scent extraction article of any of claims 1 to 12,
the columnar first section is provided so as to extend in the axial direction of the aerosol-generating rod, and the second section is disposed on the outer periphery of the first section.
15. The non-combustion heated scent extraction article of any of claims 1 to 12,
the columnar second section is provided along the axial extension of the aerosol-generating rod, and the first section is disposed on the outer periphery of the second section.
16. The non-combustion heated scent extraction article of any of claims 1 to 13,
the first section and the second section are connected by being wrapped with an outer wrapper comprising a thermally conductive raw material.
17. A non-combustion heating flavor extraction system comprising:
A non-combustion heated scent-absorbing article as defined in any one of claims 1 to 16; and
a heating device including a heater for heating the aerosol-generating rod of the non-combustion heated flavor-absorbing article.
18. The non-combustion heated scent extraction system of claim 17, wherein,
the heater includes a first peripheral heater that heats the entire side of the first section of the column and heats a portion of the side of the second section of the column or does not heat the second section.
19. The non-combustion heated scent extraction system of claim 17, wherein,
the heater includes a second peripheral heater that heats the entire side surface and the entire bottom surface of the first section in a column shape and heats at least a portion of the side surface of the second section in a column shape or does not heat the second section.
20. The non-combustion heated scent extraction system of any of claims 17 to 19,
the heater comprises an internal heater which heats the interior of the first section of the column along the entire axial direction and heats the interior of the second section of the column in a portion of the axial direction or does not heat the second section.
21. The non-combustion heated scent extraction system of any of claims 17 to 20,
the heating temperature of the heater is 200-350 ℃.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/JP2021/018192 WO2022239180A1 (en) | 2021-05-13 | 2021-05-13 | Non-combustion-heating flavor inhalation article and non-combustion-heating flavor inhalation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117279525A true CN117279525A (en) | 2023-12-22 |
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| CN202180098062.9A Pending CN117279525A (en) | 2021-05-13 | 2021-05-13 | Non-combustion heated scent extraction article and non-combustion heated scent extraction system |
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| EP (1) | EP4338605A1 (en) |
| JP (1) | JPWO2022239180A1 (en) |
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| CN (1) | CN117279525A (en) |
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| WO2024111110A1 (en) * | 2022-11-25 | 2024-05-30 | 日本たばこ産業株式会社 | Non-combustion heating type flavor inhalation system |
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| RU2524887C1 (en) * | 2010-07-30 | 2014-08-10 | Джапан Тобакко Инк. | Smokeless aroma inhalator |
| AR091509A1 (en) | 2012-06-21 | 2015-02-11 | Philip Morris Products Sa | ARTICLE TO SMOKE TO BE USED WITH AN INTERNAL HEATING ELEMENT |
| PL2939553T3 (en) | 2012-12-28 | 2018-01-31 | Japan Tobacco Inc | Flavor source for non-combustion inhalation-type tobacco product, and non-combustion inhalation-type tobacco product |
| EP3046431B1 (en) * | 2013-09-19 | 2021-03-10 | Philip Morris Products S.a.s. | Aerosol-generating system for generating nicotine salt particles |
| GB201505593D0 (en) * | 2015-03-31 | 2015-05-13 | British American Tobacco Co | Article for use with apparatus for heating smokable material |
| GB201719747D0 (en) | 2017-11-28 | 2018-01-10 | British American Tobacco Investments Ltd | Aerosol generation |
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| JP2019110747A (en) | 2017-12-18 | 2019-07-04 | フスコ オートモーティブ ホールディングス エル・エル・シーＨＵＳＣＯ Ａｕｔｏｍｏｔｉｖｅ Ｈｏｌｄｉｎｇｓ ＬＬＣ | Latch prevention damping shim for electromagnetic actuator |
| KR102343888B1 (en) * | 2018-01-31 | 2021-12-27 | 주식회사 케이티앤지 | Aerosols generating system |
| EP3777581B1 (en) * | 2018-03-27 | 2024-06-05 | Future Technology Co., Ltd. | Electronic cigarette filler and electronic cigarette cartridge |
| GB201817541D0 (en) * | 2018-10-29 | 2018-12-12 | Nerudia Ltd | Smoking substitute consumable |
| JP2020074714A (en) * | 2018-11-08 | 2020-05-21 | 水口 覚志 | Tobacco capsule extension adapter for use in electronic smoking implement |
| KR20220066358A (en) * | 2019-10-31 | 2022-05-24 | 니뽄 다바코 산교 가부시키가이샤 | Tobacco fillings for unburnt heated tobacco, unburnt heated tobacco and electrically heated tobacco products |
-
2021
- 2021-05-13 KR KR1020237040756A patent/KR20240001712A/en unknown
- 2021-05-13 EP EP21941914.0A patent/EP4338605A1/en active Pending
- 2021-05-13 JP JP2023520678A patent/JPWO2022239180A1/ja active Pending
- 2021-05-13 CN CN202180098062.9A patent/CN117279525A/en active Pending
- 2021-05-13 WO PCT/JP2021/018192 patent/WO2022239180A1/en active Application Filing
-
2023
- 2023-10-24 US US18/493,248 patent/US20240049772A1/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| EP4338605A1 (en) | 2024-03-20 |
| US20240049772A1 (en) | 2024-02-15 |
| WO2022239180A1 (en) | 2022-11-17 |
| KR20240001712A (en) | 2024-01-03 |
| JPWO2022239180A1 (en) | 2022-11-17 |
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