CN118215411A - Material for flavor-absorbing article, heated flavor-absorbing article, and method for producing material for flavor-absorbing article - Google Patents
Material for flavor-absorbing article, heated flavor-absorbing article, and method for producing material for flavor-absorbing article Download PDFInfo
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- CN118215411A CN118215411A CN202280070024.7A CN202280070024A CN118215411A CN 118215411 A CN118215411 A CN 118215411A CN 202280070024 A CN202280070024 A CN 202280070024A CN 118215411 A CN118215411 A CN 118215411A
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- Prior art keywords
- tobacco
- flavor
- nicotine
- absorbing article
- cellulose
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- 229920000137 polyphosphoric acid Polymers 0.000 description 1
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 description 1
- 239000001267 polyvinylpyrrolidone Substances 0.000 description 1
- 229920000036 polyvinylpyrrolidone Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000003755 preservative agent Substances 0.000 description 1
- 230000002335 preservative effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 235000010409 propane-1,2-diol alginate Nutrition 0.000 description 1
- 239000000770 propane-1,2-diol alginate Substances 0.000 description 1
- 235000019423 pullulan Nutrition 0.000 description 1
- 238000011002 quantification Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 210000003296 saliva Anatomy 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000007873 sieving Methods 0.000 description 1
- 229920002050 silicone resin Polymers 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- NNMHYFLPFNGQFZ-UHFFFAOYSA-M sodium polyacrylate Chemical compound [Na+].[O-]C(=O)C=C NNMHYFLPFNGQFZ-UHFFFAOYSA-M 0.000 description 1
- 229920003109 sodium starch glycolate Polymers 0.000 description 1
- 229940079832 sodium starch glycolate Drugs 0.000 description 1
- 239000008109 sodium starch glycolate Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000600 sorbitol Substances 0.000 description 1
- 229960002920 sorbitol Drugs 0.000 description 1
- 235000010356 sorbitol Nutrition 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 150000005846 sugar alcohols Chemical class 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 239000006188 syrup Substances 0.000 description 1
- 235000020357 syrup Nutrition 0.000 description 1
- 235000010491 tara gum Nutrition 0.000 description 1
- 239000000213 tara gum Substances 0.000 description 1
- 235000019640 taste Nutrition 0.000 description 1
- TUNFSRHWOTWDNC-HKGQFRNVSA-N tetradecanoic acid Chemical compound CCCCCCCCCCCCC[14C](O)=O TUNFSRHWOTWDNC-HKGQFRNVSA-N 0.000 description 1
- 230000000699 topical effect Effects 0.000 description 1
- 125000002088 tosyl group Chemical group [H]C1=C([H])C(=C([H])C([H])=C1C([H])([H])[H])S(*)(=O)=O 0.000 description 1
- 235000010487 tragacanth Nutrition 0.000 description 1
- 239000000196 tragacanth Substances 0.000 description 1
- 229940116362 tragacanth Drugs 0.000 description 1
- 229960002622 triacetin Drugs 0.000 description 1
- 125000002221 trityl group Chemical group [H]C1=C([H])C([H])=C([H])C([H])=C1C([*])(C1=C(C(=C(C(=C1[H])[H])[H])[H])[H])C1=C([H])C([H])=C([H])C([H])=C1[H] 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000001993 wax Substances 0.000 description 1
- 229920001285 xanthan gum Polymers 0.000 description 1
- 235000010493 xanthan gum Nutrition 0.000 description 1
- 239000000230 xanthan gum Substances 0.000 description 1
- 229940082509 xanthan gum Drugs 0.000 description 1
- 239000012991 xanthate Substances 0.000 description 1
- 239000000811 xylitol Substances 0.000 description 1
- 235000010447 xylitol Nutrition 0.000 description 1
- HEBKCHPVOIAQTA-SCDXWVJYSA-N xylitol Chemical compound OC[C@H](O)[C@@H](O)[C@H](O)CO HEBKCHPVOIAQTA-SCDXWVJYSA-N 0.000 description 1
- 229960002675 xylitol Drugs 0.000 description 1
- UHVMMEOXYDMDKI-JKYCWFKZSA-L zinc;1-(5-cyanopyridin-2-yl)-3-[(1s,2s)-2-(6-fluoro-2-hydroxy-3-propanoylphenyl)cyclopropyl]urea;diacetate Chemical compound [Zn+2].CC([O-])=O.CC([O-])=O.CCC(=O)C1=CC=C(F)C([C@H]2[C@H](C2)NC(=O)NC=2N=CC(=CC=2)C#N)=C1O UHVMMEOXYDMDKI-JKYCWFKZSA-L 0.000 description 1
Classifications
-
- 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
- A24B15/10—Chemical features of tobacco products or tobacco substitutes
- A24B15/16—Chemical features of tobacco products or tobacco substitutes of tobacco substitutes
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
- A24B3/00—Preparing tobacco in the factory
- A24B3/14—Forming reconstituted tobacco products, e.g. wrapper materials, sheets, imitation leaves, rods, cakes; Forms of such products
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Manufacture Of Tobacco Products (AREA)
Abstract
A material for flavor absorbing articles is prepared by mixing a cellulose base material with nicotine.
Description
Technical Field
The present invention relates to a material for a flavor-absorbing article, a heated flavor-absorbing article, and a method for producing a material for a flavor-absorbing article.
Background
In recent years, in order to suppress the generation of smoke, a heated flavor-absorbing article capable of absorbing tobacco components without burning has been provided.
Materials for flavor-absorbing articles, which form heated flavor-absorbing articles, include nicotine, and materials in which menthol is added as a flavor. The material for flavor-absorbing articles comprises a cellulose-based substrate, an extract of tobacco, and, if necessary, a polyol as an aerosol substrate. The temperature of the device for heating the heated flavor-absorbing article is generally 200 ℃ or higher, and there are many devices that absorb smoke derived from a polyol to enjoy. For example, patent document 1 discloses a heated type flavor-absorbing article in which a material for the flavor-absorbing article is heated based on a specific temperature profile including a temperature range of 200 ℃.
Prior art literature
Patent literature
Patent document 1: international publication No. 2018/019855
Disclosure of Invention
Problems to be solved by the invention
The inventors have appreciated that the convenience of the user may be improved if smoking can be enjoyed at a lower temperature. However, as described in patent document 1, in the conventional heated type flavor-absorbing article, it is difficult to obtain a satisfactory feel without heating the material for the flavor-absorbing article to 200 ℃. In view of the above, an object of the present invention is to provide a material for a heated flavor-absorbing article that can be used at a low heating temperature.
Means for solving the problems
The present inventors have made intensive studies to solve the above problems, and as a result, have found that the above problems can be solved by mixing a cellulose-based substrate with nicotine, and have completed the present invention. The specific modes of the present invention are as follows.
Mode 1
A material for flavor absorbing articles is prepared by mixing a cellulose base material with nicotine.
Mode 2
According to the material for flavor-absorbing articles of claim 1,
The material for flavor-absorbing article is a non-combustion heating type flavor-absorbing tobacco sheet,
The cross section of the tobacco sheet in the thickness direction has a wave shape.
Mode 3
According to the material for flavor-absorbing articles described in the embodiment 2,
The tobacco sheet also comprises an aerosol-generating substrate.
Mode 4
A method for producing a material for a flavor-absorbing article according to aspect 2 or 3, comprising the steps of:
Preparing a mixture comprising the cellulosic substrate, an aerosol-generating substrate, a first forming agent, and a second forming agent;
rolling the mixture to form a roll-formed article;
pressing a rotary roller blade against the rolled product to cut it into a rectangular shape and impart a wavy shape; and
The nicotine is supplied from outside the cellulose-based substrate and at least a part thereof is imparted to the surface of the cellulose-based substrate.
Mode 5
A non-combustion heating type flavor inhaler comprising a tobacco-containing segment containing the flavor-absorbing material according to any one of modes 1 to 3.
Mode 6
A non-combustion heating type flavor sucking system is provided with:
the non-combustion heating type flavor aspirator according to aspect 5; and
A heating device for heating the tobacco-containing section.
Effects of the invention
The material for a flavor-absorbing article of the present invention can be used at a low heating temperature.
Drawings
Fig. 1 is a schematic cross-sectional view showing an example of a non-combustion heating type smoking system.
FIG. 2 is a schematic cross-sectional view showing an example of a non-combustion heating type flavor-absorbing article.
Fig. 3 is a graph showing the relationship between the nicotine filling amount and the nicotine release efficiency in the example.
Fig. 4 is a graph showing the relationship between the amount of menthol filled and the menthol release efficiency in examples.
Fig. 5 is a cross-sectional view in the thickness direction of an example of a tobacco sheet according to the first embodiment.
Detailed Description
Hereinafter, the material for a flavor-absorbing article and the method for producing the material for a flavor-absorbing article according to the present application will be described.
1. Material for flavor absorbing article
In several embodiments of the present application, the material for flavor-absorbing articles is formed by mixing a cellulosic substrate with nicotine.
The method of mixing the cellulose-based substrate and nicotine is not particularly limited, but it is preferable to mix the cellulose-based substrate and nicotine by supplying the nicotine from the outside of the cellulose-based substrate. At least a part of the nicotine is present on the surface of the cellulose-based substrate by supplying the nicotine from the outside of the cellulose-based substrate. Thus, compared with the case where nicotine is present in the cellulose base material, nicotine is more easily released to the outside of the material for flavor-absorbing article, and as a result, nicotine can be sufficiently released even at a heating temperature lower than that of the conventional one, such as 200 ℃. Here, the cellulose-based substrate may have a plurality of pores (porous shape) on its surface, and in this case, the surface of the cellulose-based substrate also includes the inner portions of the pores.
The cellulose-based substrate is not particularly limited, but tobacco leaves, cured tobacco leaves, processed tobacco leaves, tobacco fillers, non-tobacco materials, or a combination of 2 or more thereof may be cited. Among them, from the viewpoint of preventing impurities, a non-tobacco-derived cellulose material is preferable, but as long as impurities are small, tobacco-derived cellulose is not problematic.
Tobacco leaves, cured tobacco leaves and processed tobacco leaves >, and method for producing the same
In the present specification, "tobacco leaf" is a generic term for tobacco leaves obtained before curing as described later. In addition, one way of curing includes curing.
In contrast, cured tobacco leaves, which have been cured and have been previously processed into various forms (cut tobacco, tobacco flakes, tobacco particles, etc., described later) for use in tobacco products, are referred to as "cured tobacco leaves". Further, cured tobacco leaves are processed into tobacco leaves of various forms that are utilized in tobacco products, and are referred to as "processed tobacco leaves".
Examples of the form of the cured tobacco used in the tobacco product include "cut tobacco" obtained by cutting cured tobacco into a predetermined size. Further, "tobacco flakes" obtained by shaping a composition containing a substance obtained by pulverizing cured tobacco leaves into a predetermined particle size (hereinafter also referred to as "tobacco fine powder") into a sheet shape, or "tobacco particles" obtained by shaping into a particle shape may also be mentioned. In addition, the "tobacco fines" are also one form of processed tobacco.
< Tobacco filler >)
Tobacco filler refers to a substance that has been filled with processed tobacco leaves in a prescribed manner. "filler" refers to an object that is filled with processed tobacco leaves and is part of a tobacco product. Examples of the filler include a material in which roll paper is cylindrical, a container having an air inlet and an air outlet, and the like, but are not limited thereto.
Examples of the method of filling the filler with the processed tobacco leaf include a method of filling the processed tobacco leaf with a roll paper wound so that the processed tobacco leaf is inside (hereinafter, also referred to as "tobacco rod"), a method of filling the processed tobacco leaf with a flow path of a housing having an air inlet and an air outlet (hereinafter, also referred to as "cartridge"), and the like, but are not limited thereto.
Examples of the tobacco filler include a tobacco filler composed of cut tobacco filled with a filler (hereinafter, also referred to as "first tobacco filler"), a tobacco filler composed of tobacco flakes filled with a filler (hereinafter, also referred to as "second tobacco filler"), and a tobacco filler composed of tobacco particles filled with a filler (hereinafter, also referred to as "third tobacco filler").
Examples of the non-tobacco material include roots (including scales (bulbs), tubers (tubers), bulbs, etc.), stems, tubers, barks (including stem barks, bark, etc.), leaves, flowers (including petals, pistils, stamens, etc.), seeds, trunks, branches, etc. of trees, etc.
The content of the cellulose base material relative to the entire material for flavor-absorbing articles is not particularly limited, but from the viewpoint of shape stability, it is preferably 0.1 to 80% by weight, more preferably 1 to 75% by weight, and most preferably 5 to 50% by weight.
The nicotine is not particularly limited, but may be selected from the group consisting of synthetic nicotine, isolated nicotine, and combinations thereof.
The content of nicotine in the entire flavor-absorbing material is not particularly limited, but from the viewpoint of the nicotine concentration in general tobacco, the lower limit is preferably 2% by weight or more, and the upper limit may be 10% by weight or less, 8% by weight or less, or 7% by weight or less. The above numerical range of the content of nicotine can be applied to the content of nicotine added from the outside, the content of nicotine derived from tobacco, or the total of these contents.
In several embodiments, the flavor extracting article material may further comprise menthol. The material for flavor-absorbing articles further contains menthol, whereby a refreshing and cooling sensation can be obtained.
In the case where the material for flavor-absorbing articles contains menthol, the content of menthol relative to the entire material for flavor-absorbing articles is not particularly limited, but from the viewpoint of the concentration in a general tobacco product, the lower limit is preferably 6% by weight or more, and the upper limit may be 25% by weight or less, 23% by weight or less, or 20% by weight or less.
In several embodiments, the fragrance-absorbing article material may further comprise myristic acid, palmitic acid, or a mixture thereof as other ingredients.
The form of the material for the flavor-absorbing article is not particularly limited, but may be particles or sheets (tobacco particles or tobacco flakes), and among them, particles are preferable from the viewpoint of stabilizing the filling weight. Further, since a raw material derived from tobacco is preferably used as the cellulose base material, tobacco particles or tobacco flakes are more preferable as the material for flavor-absorbing articles, and tobacco particles are particularly preferable. Hereinafter, these will be described in detail.
< Tobacco particles >)
As described above, the tobacco particles are obtained by shaping a composition containing cured tobacco leaves into a particle shape.
Method for shaping tobacco particles
The method for forming the tobacco particles is not particularly limited, but for example, the tobacco fine powder, nicotine, a flavor development aid, a binder, and, if necessary, an aerosol-generating substrate and a flavor are mixed, water is added to the mixture and kneaded, and the obtained kneaded product is granulated (long column-shaped) by a wet extrusion granulator, and then granulated into short columns or spheres. The tobacco particles comprise both nicotine from a tobacco source raw material and added nicotine.
In the extrusion granulation, the kneaded product is preferably extruded at an ambient temperature and a pressure of 2kN or more. By extrusion under such high pressure, the temperature of the kneaded material at the outlet of the extruder granulator is instantaneously and rapidly increased from ambient temperature to, for example, 90 to 100 ℃, and water and volatile components are evaporated by 2 to 4 wt%. Therefore, the water blended for producing the kneaded material can be used in an amount larger than the desired water content in the tobacco particles as the final product by the evaporation amount.
The tobacco particles obtained by extrusion granulation may be further dried as needed in order to adjust moisture. For example, the weight loss on drying of tobacco particles obtained by extrusion granulation may be measured, and if the weight loss on drying is higher than a desired weight loss on drying (for example, 5% by weight or more and 17% by weight or less), the tobacco particles may be further dried to obtain the desired weight loss on drying. The drying conditions (temperature and time) for obtaining the desired weight loss may be determined in advance, and the drying conditions (temperature and time) required for reducing the weight loss by a predetermined value may be set based on the conditions.
< Tobacco flake >)
As described above, the tobacco sheet is obtained by forming a composition containing cured tobacco leaves and the like into a sheet shape. The cured tobacco leaves used in the tobacco flakes are not particularly limited, but examples thereof include those from which stems are removed and separated into leaves and stems. In the present specification, the term "sheet" refers to a shape having a pair of substantially parallel main surfaces and side surfaces.
Method for forming tobacco flake
The method for forming the tobacco flakes is not particularly limited, but for example, fine tobacco powder, nicotine, a flavor-imparting auxiliary agent, a binder, and, if necessary, an aerosol-generating substrate and a flavor may be mixed, and the mixture may be kneaded by adding water thereto, and the obtained kneaded product may be formed by a known method such as a paper-making method, a casting method, or a rolling method. Regarding various tobacco flakes formed in this way, it is disclosed in detail in "topical reference book for tobacco, center for comprehensive research for tobacco, 2009.3.31".
In the case where the form of the material for flavor-absorbing articles is particles, the particle diameter of the particles is not particularly limited, but from the viewpoint of improving the release efficiency of nicotine and/or menthol, which will be described later, it is preferably 250 μm or more, more preferably 250 to 850 μm, and most preferably 250 to 500 μm. The smaller the particle diameter of the particles, the higher the release efficiency of nicotine and/or menthol described later. The average particle diameter (D50) of the particles is not limited, but is preferably 250 to 450 μm, more preferably 250 to 400 μm, and most preferably 250 to 300 μm from the viewpoint of improving the release efficiency of nicotine and/or menthol, which will be described later.
The particle diameter and the average particle diameter (D50) of the particles can be measured by a laser diffraction method under dry conditions using a scattering particle diameter distribution measuring apparatus (Partica, manufactured by yamakoku corporation).
In the case where the form of the material for flavor-absorbing articles is particles, the surface area of each of the particles is not particularly limited, but from the viewpoint of improving the release efficiency of nicotine and/or menthol, which will be described later, it is preferably 0.1 to 2.5mm 2, more preferably 0.1 to 1.5mm 2, and most preferably 0.1 to 0.8mm 2. The smaller the surface area of each of the particles, the higher the release efficiency of nicotine and/or menthol, which will be described later. The surface area of each of the particles may be regarded as a sphere and calculated based on the following formula (1).
S＝4πr2 (1)
S: surface area of each particle
Pi: circumference ratio
R: radius of the particle (the value obtained by multiplying the particle diameter of the above particle by 1/2)
In several embodiments, the release efficiency of nicotine per 10 inhalations in the material for flavor-absorbing article upon heating at 55 ℃ is not particularly limited, but the lower limit thereof is preferably 0.6% or more, and the upper limit thereof may be 5.0% or less, 2.5% or less, or 2.1% or less.
In several embodiments, the release efficiency of nicotine per 10 inhalations in the material for flavor-absorbing articles upon heating at 70 ℃ is not particularly limited, but the lower limit thereof is preferably 1.8% or more, and the upper limit thereof may be 6.0% or less, 5.5% or less, or 5.0% or less.
In several embodiments, the release efficiency of menthol per 10 draws of the material for flavor-absorbing article upon heating and absorbing at 55 ℃ is not particularly limited, but the lower limit thereof is preferably 4% or more, and the upper limit thereof may be 15.0%, 13.0%, or 10.2%.
In several embodiments, the release efficiency of menthol per 10 draws of the material for flavor-absorbing article upon heating and absorbing at 70 ℃ is not particularly limited, but the lower limit thereof is preferably 7% or more, and the upper limit thereof may be 20.0% or less, 18.0% or less, or 16.6% or less.
In several embodiments, the total particulate matter (TPM: total particulate matter) of the material for a flavor-absorbing article upon heating absorption at 55℃is not particularly limited, but may be 0.5 to 10.0mg, 0.7 to 7.0mg, or 0.8 to 5.0mg from the viewpoint of the amount of the filler.
In several embodiments, the Total Particulate Matter (TPM) of the material for a flavor-absorbing article upon heating absorption at 70 ℃ is not particularly limited, but may be 0.8 to 15.0mg, 1.0 to 10.0mg, or 1.3 to 7.8mg from the viewpoint of the amount of filling.
The release efficiency of nicotine or menthol per 10 puffs at 55℃or 70℃and the Total Particulate Matter (TPM) at 55℃or 70℃in the heat puffs can be calculated by the method described in the examples (analysis of nicotine and menthol released from tobacco particles) described below.
2. Method for producing material for flavor-absorbing article
In several embodiments, the material for a flavor-absorbing article according to item 1 above may be produced by a production method comprising:
A step of preparing the cellulose-based substrate and the nicotine; and
And a step of supplying the nicotine from the outside of the cellulose base material and applying at least a part of the nicotine to the surface of the cellulose base material.
In the above-described method for producing a material for a flavor-absorbing article, a tobacco-derived material may be used as the cellulose-based substrate, and the material may be preformed into a form of tobacco particles or tobacco flakes, and nicotine may be supplied from the outside to the cellulose-based substrate, so that the finally obtained material for a flavor-absorbing article may be in a form of tobacco particles or tobacco flakes.
The nicotine is not particularly limited, but may be supplied from outside the cellulose base material by spraying under a pressure of 0.1 MPa. The pressure conditions in the case of nicotine supply by spraying are not particularly limited, but are preferably 0.05 to 2.5MPa, more preferably 0.05 to 2.0MPa, and most preferably 1.00 to 1.50MPa. By setting the pressure at the time of nicotine supply to be within the above-mentioned numerical range, nicotine can be efficiently attached to the surface of the cellulose base material, and as a result, the release efficiency of nicotine and/or menthol can be further improved.
3. Fragrance absorbing article
In several embodiments, the flavor-absorbing article, particularly the heated flavor-absorbing article, comprising the material for flavor-absorbing article described in item 1 above can be used.
In the present application, the "flavor-absorbing article" refers to an absorbing article that a user tastes flavor by absorbing. The flavor-absorbing articles can be broadly classified into combustion-type flavor-absorbing articles represented by conventional cigarettes and non-combustion-type flavor-absorbing articles.
Examples of the combustion type flavor absorbing article include cigarettes, pipes, pouches, cigarettes, cigarillos, and the like.
The non-combustion heating type flavor-absorbing article (heating type flavor-absorbing article) may be heated by a heating device separate from the article or by a heating device integral with the article. Among the former flavor-absorbing articles (split type), the non-combustion heating type flavor-absorbing article and the heating device are also collectively referred to as a "non-combustion heating type smoking system". An example of a non-combustion heating type smoking system will be described below with reference to fig. 1 and 2.
Fig. 1 is a schematic cross-sectional view showing an example of a non-combustion heating type smoking system, and shows a state before the heater 12 is inserted into the smoking section 20A of the non-combustion heating type flavor absorbing article 20. In use, the heater 12 is inserted into the smoking section 20A. Fig. 2 is a cross-sectional view of a non-combustion heating type fragrance absorbing article 20.
As shown in fig. 1, the non-combustion heating type smoking system includes a non-combustion heating type flavor-absorbing article 20 and a heating device 10 that heats a smoking section 20A from the inside. However, the non-combustion heating type smoking system is not limited to the configuration of fig. 1.
The heating device 10 shown in fig. 1 includes a main body 11 and a heater 12. Although not shown, the main body 11 may include a battery unit and a control unit. The heater 12 may be a resistance-based heater that is inserted into the smoking section 20A to heat the smoking section 20A.
In fig. 1, the smoking section 20A is heated from the inside, but the mode of the non-combustion heating type flavor absorbing article 20 is not limited thereto, and in another mode, the smoking section 20A is heated from the outside.
The heating temperature of the heating device 10 is not particularly limited, but is preferably 400 ℃ or lower, more preferably 50 to 400 ℃, and still more preferably 150 to 350 ℃. The heating temperature refers to the temperature of the heater 12 of the heating device 10.
As shown in fig. 2, the non-combustion heating type fragrance absorbing article 20 (hereinafter, simply referred to as "fragrance absorbing article 20") has a cylindrical shape. The length of the circumference of the fragrance absorbing article 20 is preferably 16mm to 27mm, more preferably 20mm to 26mm, still more preferably 21mm to 25mm. The total length (length in the horizontal direction) of the fragrance absorbing article 20 is not particularly limited, but is preferably 40 to 90mm, more preferably 50 to 75mm, and even more preferably 50 to 60mm.
The flavor extracting article 20 includes a smoking section 20A, a filter portion 20C constituting a mouthpiece, and a connecting portion 20B connecting the sections.
The overall length (axial length) of the smoking section 20A is, for example, preferably 5 to 100mm, more preferably 10 to 50mm, and even more preferably 10 to 25mm. The shape of the cross section of the smoking section 20A is not particularly limited, but may be, for example, circular, elliptical, polygonal, or the like.
The smoking section 20A has a sheet of smoking composition or material 21 derived therefrom, and a wrapper 22 wrapped therearound.
The filter portion 20C is cylindrical. The filter portion 20C has a rod-shaped first section 25 filled with cellulose acetate fibers and a rod-shaped second section 26 also filled with cellulose acetate fibers. The first section 25 is located on the smoking section 20A side. The first section 25 may also have a hollow. The second section 26 is located on the suction side. The second section 26 is solid. The first section 25 includes a first filler layer (cellulose acetate fibers) 25a and an inner plug wrap 25b wrapped around the first filler layer 25 a. The second section 26 includes a second filler layer (cellulose acetate fibers) 26a and an inner plug wrap 26b wrapped around the second filler layer 26 a. The first section 25 and the second section 26 are joined by an outer plug wrap 27. The outer plug wrap 27 is bonded to the first section 25 and the second section 26 using a vinyl acetate emulsion adhesive or the like.
The length of the filter portion 20C may be, for example, 10 to 30mm, the length of the connecting portion 20B may be, for example, 10 to 30mm, the length of the first segment 25 may be, for example, 5 to 15mm, and the length of the second segment 26 may be, for example, 5 to 15mm. The length of each segment is an example, and may be appropriately changed according to manufacturing suitability, required quality, length of the smoking segment 20A, and the like.
For example, the first section 25 (central bore section) includes a first filler layer 25a having one or more hollows, and an inner plug wrap 25b covering the first filler layer 25 a. The first section 25 has a function of increasing the strength of the second section 26. The first filling layer 25a of the first section 25 is filled with cellulose acetate fibers, for example, at a high density. In the cellulose acetate fiber, for example, 6 to 20% by weight of a plasticizer containing triacetin is added to the cellulose acetate fiber and cured. The hollow part of the first section 25 is, for example, the inner diameter
The first filling layer 25a of the first section 25 may be formed with a relatively high fiber filling density, for example, or may be the same as the fiber filling density of the second filling layer 26a of the second section 26 described later. Therefore, at the time of suction, air and aerosol flow only through the hollow portion, and hardly flow through the first filling layer 25 a. For example, in the second section 26, in the event that a reduction in aerosol composition due to filtration is desired, for example, the length of the second section 26 may also be shortened and the first section 25 correspondingly lengthened.
In order to increase the amount of aerosol component transferred, it is more effective to replace the shortened second section 26 with the first section 25. The first filler layer 25a of the first section 25 is a fiber filler layer, so that the feeling from the outside in use does not give a sense of discomfort to the user.
The second section 26 includes a second filler layer 26a and an inner plug wrap 26b covering the second filler layer 26 a. The second section 26 (filter section) is filled with cellulose acetate fibers at a typical density, with the filtration properties of a typical aerosol composition.
The filtering performance for filtering the aerosol (mainstream smoke) released from the smoking section 20A may also be made different between the first section 25 and the second section 26. At least one of the first section 25 and the second section 26 may contain a perfume. The structure of the filter portion 20C is arbitrary, and may have a plurality of segments as described above, or may be composed of a single segment. Furthermore, the filter portion 20C may be formed of one segment. In this case, the filter portion 20C may be constituted by either the first segment or the second segment.
The connecting portion 20B has a cylindrical shape. The connecting portion 20B has a paper tube 23 formed in a cylindrical shape, for example, of thick paper or the like. The connecting portion 20B may be filled with a cooling member for cooling the aerosol. The cooling member may be a sheet of a polymer such as polylactic acid, and the sheet may be folded and filled. Further, a support portion that suppresses positional variation of the smoking section 20A may be provided between the smoking section 20A and the connecting portion 20B. The support portion may be made of a known material such as a center hole filter as in the first section 25.
The wrapping material 28 is wound in a cylindrical shape around the outside of the smoking section 20A, the connecting portion 20B, and the filter portion 20C, and integrally connects them. A vinyl acetate emulsion adhesive is applied to one surface (inner surface) of the wrapping material 28, and the entire surface or substantially the entire surface except the vicinity of the vent hole portion 24. The plurality of ventilation holes 24 are formed by integrating the smoking section 20A, the connecting portion 20B, and the filter portion 20C with the wrapping material 28, and then laser processing the same from the outside.
The vent hole 24 has 2 or more through holes penetrating the connecting portion 20B in the thickness direction. The 2 or more through holes are formed so as to be arranged radially when viewed from the extension line of the central axis of the flavor-absorbing article 20. In the present embodiment, the vent hole 24 is provided in the connecting portion 20B, but may be provided in the filter portion 20C. In the present embodiment, the through holes of 2 or more of the vent holes 24 are arranged in1 row at a constant interval on one ring, but may be arranged in 2 rows at a constant interval on two rings, or 1 row or 2 rows of vent holes 24 may be arranged discontinuously or irregularly. When the user draws in the mouthpiece, the outside air is taken into the mainstream smoke through the ventilation hole portion 24. However, the vent hole portion 24 may not be provided.
The heated flavor-absorbing article may include a pouch containing the material for flavor-absorbing article described in item 1 above. The bag is not limited as long as it is insoluble in water and permeable to liquid (water, saliva, etc.) and water-soluble components in the filler, and a known bag, for example, a nonwoven bag can be used. Examples of the material for the bag include a nonwoven fabric of cellulose, and a commercially available nonwoven fabric may be used. A sheet made of such a material may be formed into a bag shape, filled with a filler, and sealed by means of heat sealing or the like to produce a bag product.
The grammage of the sheet is not particularly limited, and is usually 12 to 54gsm, preferably 24 to 30 gsm. The thickness of the sheet is not particularly limited, but is usually 100 μm to 300 μm, preferably 175 μm to 215 μm.
The water repellent material may be locally applied to at least one of the inner surface and the outer surface of the bag. As the water-repellent material, a water-repellent fluorine-based resin is preferable. Specifically, as such a water repellent fluorine-based resin, ASAHI GUARD (registered trademark) manufactured by ASAHI corporation is exemplified. The water repellent fluororesin is applied to, for example, a packaging material for foods containing fats and oils such as snack foods, dairy products, staple foods, snack foods, and pet foods. Therefore, the water repellent fluorine-based resin is safe even when applied to a bag placed in the oral cavity. The water repellent material is not limited to the fluorine-based resin, and may be a material having a water repellent effect such as a paraffin resin, a silicone resin, or an epoxy resin.
The non-combustion heating type flavor inhaler may include a tobacco-containing section filled with a tobacco sheet or the like, a cooling section, and a filter section as described above. The fragrance absorber is synonymous with the fragrance absorbing article, both being used interchangeably. The length of the tobacco-containing section of the non-combustion heated flavor inhaler in axial relation to the heater is shorter than the length of the tobacco-containing section of a conventional combustion flavor inhaler. Therefore, in the non-combustion heating type flavor inhaler, a large number of tobacco flakes are filled in a short section containing tobacco segments in order to ensure the aerosol generation amount during heating. In order to fill a large number of tobacco flakes in a short interval, a tobacco flake having low bulk, i.e., high density, is generally used in a non-combustion heating type flavor inhaler. The bulk is a value indicating the volume of tobacco cut filler of a predetermined weight when compressed for a predetermined time under a predetermined pressure.
However, the inventors of the present invention found that when considering the heating system, the heating capacity of the heater, and the generation of aerosol, if a tobacco sheet having a low bulk (high density) is used, the total thermal capacity of the tobacco-containing section becomes high, and therefore, the tobacco sheet filled in the tobacco-containing section does not sufficiently contribute to the generation of aerosol according to the heating method and the capacity of the heater. To solve this problem, it is considered to reduce the total heat capacity of the tobacco-containing segment.
The present inventors studied (1) reducing the specific heat of the tobacco raw material contained in the tobacco sheet and (2) using a tobacco sheet having a high bulk (low density) in order to reduce the total heat capacity of the tobacco-containing segment. However, with respect to (1), it is considered that it is effective to reduce the total heat capacity of the tobacco-containing segment by (2) because it is difficult to reduce the specific heat of the tobacco raw material itself. Therefore, in the following, as a preferred first embodiment, a description will be given of a method in which the material for a flavor-absorbing article is applied to a highly bulky (low-density) tobacco sheet of a non-combustion heating type flavor absorber.
First mode
[ Tobacco flake for non-Combustion heating type flavor aspirator ]
The sheet of the non-combustion heating type flavor inhaler tobacco sheet (hereinafter also referred to as "tobacco sheet") of the present embodiment has a corrugated shape in cross section in the thickness direction. The tobacco sheet of this embodiment has a large volume and high bulk because the cross-sectional shape in the thickness direction is a wave shape. Therefore, by using the tobacco sheet of the present embodiment, the total heat capacity of the tobacco-containing segment can be reduced, and the tobacco sheet filled in the tobacco-containing segment can sufficiently contribute to the generation of aerosol. Further, the tobacco sheet of the present embodiment preferably further comprises an aerosol-generating substrate and one or more molding agents, and the bulk of the tobacco sheet is further improved by adjusting the blending ratio of these to a predetermined range.
(Shape of tobacco flake)
The cross section of the tobacco sheet in the thickness direction of the present embodiment has a wave shape. That is, when the tobacco sheet of the present embodiment is cut in the thickness direction in one of the planar directions, the cross-sectional shape thereof has a wavy shape. One of the planar directions may be, for example, the longitudinal direction of the tobacco sheet or the short-side direction. The "waveform" is not particularly limited as long as it is a shape that is vertically undulating, and the peak of the wave may be a straight line shape or a curved line shape. In addition, the waves may be regular or irregular.
Fig. 5 shows an example of the cross-sectional shape of the tobacco sheet in the thickness direction of the present embodiment. The tobacco sheet 1 shown in fig. 5 has a wave 2 in a cross section in the thickness direction. The width w1 of the wave 2 is not particularly limited, but is preferably in the range of 0.1 to 10.0 mm. The height w2 of the wave 2 is not particularly limited, but is preferably in the range of 0.1 to 5.0 mm. The thickness w3 of the tobacco sheet 1 is preferably in the range of 100 to 1000 μm. As shown in fig. 5, the wave 2 may also have a saw tooth shape 3. By providing the wave 2 with the zigzag shape 3, the tip of the zigzag shape is in contact with the tip in the mixture of the tobacco flakes, whereby a void can be further formed, and as a result, the bulkiness can be further improved. The dimensions of the tobacco sheet in the planar direction of the present embodiment are not particularly limited, but may be, for example, the length: 5.0-40.0 mm, width: 0.5-2.0 mm.
(Tobacco raw material)
The tobacco material contained in the tobacco sheet of the present embodiment is one of the cellulose-based substrates described above, and is a tobacco source. As the tobacco material, for example, tobacco powder is cited. Examples of the tobacco powder include tobacco leaves, stems, and residual stems. One kind of them may be used, or two or more kinds may be used at the same time. They can be used as tobacco powder by being cut into prescribed sizes. From the viewpoint of further improving the bulk, the cumulative 90% particle diameter (D90) in the volume-based particle size distribution measured by the dry laser diffraction method is preferably 200 μm or more. When the tobacco material is a tobacco powder, the proportion of the tobacco powder contained in 100% by weight of the tobacco sheet is preferably 45 to 95% by weight, more preferably 50 to 93% by weight, and even more preferably 60 to 85% by weight.
(Nicotine)
As nicotine, the aforementioned substances can be used. In this embodiment, a nicotine-containing tobacco extract may be used as the nicotine. Examples of the tobacco extract include tobacco extracts obtained by pulverizing tobacco leaves, mixing and stirring the tobacco leaves with a solvent such as water to extract water-soluble components from the tobacco leaves, and drying and concentrating the obtained water extract under reduced pressure.
(Aerosol-generating substrate)
The tobacco sheet of the present embodiment preferably further includes an aerosol-generating substrate from the viewpoint of increasing the amount of smoke upon heating. 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.
When the aerosol-generating substrate is contained in the tobacco sheet, the proportion of the aerosol-generating substrate contained in 100% by weight of the tobacco sheet is preferably 4 to 50% by weight. By setting the ratio of the aerosol-generating substrate to 4% by weight or more, sufficient aerosol can be generated at the time of heating from the viewpoint of the amount. In addition, by setting the proportion of the aerosol-generating substrate to 50 wt% or less, sufficient aerosol can be generated at the time of heating from the viewpoint of heat capacity. The proportion of the aerosol-generating substrate is more preferably 6 to 40% by weight, still more preferably 8 to 30% by weight, particularly preferably 10 to 20% by weight.
(Molding agent)
The tobacco sheet of the present embodiment preferably further contains a molding agent from the viewpoint of ensuring the shape. The molding agent is one of the aforementioned binders. In particular, the tobacco sheet of the present embodiment preferably further comprises a first molding agent and a second molding agent, in order to sufficiently achieve both the holding performance of the aerosol-generating substrate of the tobacco sheet and the holding performance of the corrugated shape. Here, the first molding agent and the second molding agent may be different in type of molding agent, and the same type of molding agent may be used, but different in form. Examples of the first molding agent include polysaccharides, proteins, and synthetic polymers. Examples of the polysaccharide include cellulose derivatives and polysaccharides derived from natural sources.
Examples of the cellulose derivative include cellulose ethers such as methyl cellulose, ethyl cellulose, hydroxyethyl cellulose, hydroxymethyl ethyl cellulose, hydroxypropyl methyl cellulose, benzyl cellulose, trityl cellulose, cyanoethyl cellulose, carboxymethyl cellulose, carboxyethyl cellulose, and aminoethyl cellulose; organic acid esters such as cellulose acetate, cellulose formate, cellulose propionate, cellulose butyrate, cellulose benzoate, cellulose phthalate, and tosyl cellulose; inorganic acid esters such as nitrocellulose, cellulose sulfate, cellulose phosphate, and cellulose xanthate.
Examples of the naturally derived polysaccharides include plant-derived polysaccharides such as guar gum, tara gum, locust bean gum, tamarind seed gum, pectin, acacia, tragacanth, karaya gum, ghatti gum, arabinogalactan, flaxseed gum, karaya Sha Jiao, psyllium seed gum, and sand sagebrush seed gum; polysaccharides derived from algae such as carrageenan, agar, alginic acid, propylene glycol alginate, furcellaran, and gloiopeltis extract; polysaccharides derived from microorganisms such as xanthan gum, gellan gum, curdlan, pullulan, agrobacterium succinoglycan, welan gum, phomopsis gum, and rhamsan gum; chitin-derived polysaccharides such as chitin, chitosan, and glucosamine; starch, sodium starch glycolate, alpha starch, dextrin, and other starches.
Examples of the protein include cereal proteins such as wheat gluten and rye gluten. Examples of the synthetic polymer include polyphosphoric acid, sodium polyacrylate, and polyvinylpyrrolidone. As the second molding agent, a polysaccharide, a protein, a synthetic polymer, or the like, which is different from the first molding agent but the same as the first molding agent, can be used.
When the tobacco flake contains the first molding agent, the proportion of the first molding agent contained in 100% by weight of the tobacco flake is preferably 0.1 to 15% by weight. By setting the proportion of the first molding agent to 0.1 wt% or more, the mixture of raw materials can be easily molded into a sheet shape. Further, by setting the proportion of the first molding agent to 15% by weight or less, it is possible to sufficiently use other raw materials for ensuring the function required for the tobacco-containing section of the non-combustion heating type flavor inhaler. The proportion of the first molding agent is more preferably 0.1 to 12% by weight, still more preferably 0.1 to 10% by weight, particularly preferably 0.1 to 7% by weight.
When the second molding agent is contained in the tobacco flake, the proportion of the second molding agent contained in 100% by weight of the tobacco flake is preferably 0.1 to 15% by weight. By setting the proportion of the second molding agent to 0.1 wt% or more, the mixture of raw materials can be easily molded into a sheet shape. Further, by setting the proportion of the second molding agent to 15% by weight or less, it is possible to sufficiently use other raw materials for ensuring the function required for the tobacco-containing section of the non-combustion heating type flavor inhaler. The proportion of the second molding agent is more preferably 0.1 to 12% by weight, still more preferably 0.1 to 10% by weight, particularly preferably 0.1 to 7% by weight.
In the case where the types of molding agents of the first molding agent and the second molding agent are the same and the forms are different, for example, the first molding agent may be a powder, and the second molding agent may be a solution, a slurry, or the like. For example, in a method for producing a tobacco sheet described later, the molding agent is mixed as a powder as the first molding agent, and the molding agent is dispersed or swelled in a solvent such as water as the second molding agent, and mixed. Even with this method, the same effect as in the case of using two molding agents of different kinds can be obtained.
(Reinforcing agent)
The tobacco sheet of the present embodiment may further contain a reinforcing agent from the viewpoint of further improving physical properties. Examples of the reinforcing agent include fibrous materials such as fibrous pulp and fibrous synthetic cellulose, liquid materials having a surface coating function of forming a film when dried, such as pectin suspension water, and the like. One kind of them may be used, or two or more kinds may be used at the same time.
When the tobacco flakes contain a reinforcing agent, the proportion of the reinforcing agent contained in 100% by weight of the tobacco flakes is preferably 4 to 40% by weight. In this range, other raw materials for securing the function required for the tobacco-containing section of the non-combustion heating type flavor inhaler can be sufficiently used. The proportion of the reinforcing agent is more preferably 4.5 to 35% by weight, still more preferably 5 to 30% by weight.
(Moisturizer)
From the viewpoint of maintaining quality, the tobacco sheet of the present embodiment may further include a humectant. Examples of the humectant include sugar alcohols such as sorbitol, erythritol, xylitol, maltitol, lactitol, mannitol, and reduced maltose syrup. One kind of them may be used, or two or more kinds may be used at the same time.
When the tobacco flakes contain a humectant, the proportion of the humectant contained in 100% by weight of the tobacco flakes is preferably 1 to 15% by weight. In this range, other raw materials for securing the function required for the tobacco-containing section of the non-combustion heating type flavor inhaler can be sufficiently used. The proportion of the humectant is more preferably 2 to 12% by weight, still more preferably 3 to 10% by weight.
(Other Components)
The tobacco sheet of the present embodiment may contain, in addition to the tobacco raw material, the aerosol-generating substrate, the molding agent (first and second molding agents), the reinforcing agent, and the humectant, a flavoring agent such as a flavor or a flavoring agent, a coloring agent, a humectant, a preservative, a diluent such as an inorganic substance, and the like, as necessary.
(Bulkiness)
The bulk of the tobacco sheet of the present embodiment is preferably 190cc/100g or more. By setting the bulk to 190cc/100g or more, the total heat capacity of the tobacco-containing segment of the non-combustion heating type flavor inhaler can be sufficiently reduced, and the tobacco flakes filled in the tobacco-containing segment can contribute more to aerosol generation. The bulk is more preferably 210cc/100g or more, and still more preferably 230cc/100g or more. The upper limit of the range of the bulk property is not particularly limited, but may be 800cc/100g or less, for example. The bulk was measured by DD-60A (trade name, manufactured by Borgward Co.) after the tobacco flakes were cut into pieces of 0.8 mm. Times.20 mm in size and stored in a 60% conditioned room at 22℃for 48 hours. The measurement was performed by placing 15g of the cut tobacco flakes into a cylindrical container having an inner diameter of 60mm and obtaining the volume when compressed for 30 seconds with a 3kg load.
[ Method for producing tobacco flake ]
The tobacco sheet according to the present embodiment may include, for example: a step of preparing a mixture containing a tobacco raw material as a cellulose-based base material, an aerosol-generating base material, a first molding agent, and a second molding agent; a step of rolling the mixture to form a roll-formed product; and a step of pressing a rotary roller blade against the roll-formed product, cutting the roll-formed product into a rectangular shape, and imparting a wavy shape thereto. The process of imparting a waveform shape is also referred to as a ripple process. The tobacco sheet of the present embodiment can be manufactured, for example, by the following method.
(1) And a step of mixing water, a tobacco raw material, an aerosol-generating substrate, the first and second molding agents, and the reinforcing agent to obtain a mixture.
(2) And a step of obtaining a roll-formed product by pouring the mixture into a plurality of rolls and rolling the mixture.
(3) And a step of pressing the rotary roller blade against the rolled product, cutting the rolled product into a rectangular shape, and imparting a wavy shape.
The rectangular sheet cut by the rotary roller blade is given a wavy shape and a zigzag shape as shown in fig. 5 by applying resistance when being peeled from the roller. In addition, when the roll formed product is cut without using a rotary roll cutter, for example, the roll formed product on the roll is peeled off by a doctor blade, and a wavy shape and a zigzag shape can be similarly provided by applying resistance when the roll is peeled off. In addition, in the case of producing a tobacco sheet by the above-described method, the surface of the roller may be heated or cooled according to the purpose, or the rotation speed of the roller may be adjusted. Further, by adjusting the interval between the rollers, a tobacco sheet having a desired grammage can be obtained.
The step of supplying the nicotine from the outside of the cellulose-based substrate and applying at least a part of the nicotine to the surface of the cellulose-based substrate may be provided during the steps (1) and (2), during the steps (2) and (3), or after the step (3).
Examples
The present invention is experimentally described by the following examples, but the following description should not be construed as limiting the scope of the present invention to the following examples.
(Preparation of tobacco particles)
The tobacco powder having a size of less than 50 μm is obtained by pulverizing tobacco of burley variety having a nicotine concentration of 0.01% by heating at 120deg.C and washing with water for 4 times, and sieving with a sieve having a mesh size of 50 μm. For the tobacco fine powder thus obtained: 1000g, CMC (carboxymethyl cellulose): 50g, glycerin: 100g of the mixture was mixed, and 300g of water was added to the obtained mixture and kneaded. The obtained kneaded material was fed into a wet extrusion granulator (TDG-80A-1, manufactured by Co., ltd. DULTON), and the mixture was extruded under pressure: 250kN, temperature: after being granulated into a columnar shape at 80 ℃, the granules were formed into spheres to obtain tobacco particles (spheres) (particle diameter 250 to 500 μm, average particle diameter (D50) 352 μm).
In addition, except that the granulation conditions of the wet extrusion granulator were changed to pressure: 200kN, temperature: except for 75 ℃, tobacco particles (spherical) (particle diameter 500 to 850 μm, average particle diameter (D50) 643 μm) were obtained in the same manner as described above.
After drying at 100℃for 2 hours, the particle diameter of the above-mentioned particles was measured by a laser diffraction method under dry conditions using a scattering particle diameter distribution measuring apparatus (Partica, manufactured by Yamadup scientific Co., ltd.).
Then, for each tobacco particle obtained as described above: 50g of nicotine ((-) -nicotine, fuji film and Wako pure chemical industries, ltd.) was sprayed from the outside under a pressure of 0.1MPa using a spraying device (glass sprayer, AS ONE Co., ltd.): 1g of a solution dissolved in 10g of water and menthol (l-menthol, fuji photo Co., ltd.): 10g of the mixture was dissolved in 10g of Propylene Glycol (PG) with heating to 50℃or higher. Thus, tobacco particles having 2.179mg of nicotine and 6.190mg of menthol attached to the surface thereof per 100mg (content of nicotine and content of menthol relative to the whole tobacco particles are 2.179 wt% and 6.190 wt%, respectively, particle diameter 250 to 500 μm, average particle diameter (D50) 352 μm) (hereinafter referred to as "tobacco particle a"), and tobacco particles having 2.125mg of nicotine and 6.584mg of menthol attached to the surface thereof per 100mg (content of nicotine and content of menthol relative to the whole tobacco particles are 2.125 wt% and 6.584 wt%, respectively), particle diameter 500 to 850 μm, average particle diameter (D50) 643 μm) (hereinafter referred to as "tobacco particle B") were obtained.
When the surface area of each of the tobacco particles a and B is calculated based on the formula (1) described in the above item "1. Flavor-absorbing article material", the surface areas are 0.196 to 0.785mm 2 (average value 0.442mm 2) and 0.785 to 2.270mm 2 (average value 1.431mm 2), respectively.
(Analysis of nicotine and menthol released from tobacco particles)
An empty bottomless cylinder (material: paper, inner diameter: about 6.8 mm) was filled with 100mg, 200mg, or 300mg of tobacco particles A or B obtained as described above, and then acetate filters (manufactured by Japanese Filter Co., ltd.) were disposed at both ends of the cylinder to seal the tobacco particles. A glass fiber filter (trade name: cambridgeFilter mm, manufactured by Borgwaldt) and a smoker (one-unit smoker, manufactured by Borgwaldt) were arranged in this order from the cylinder side adjacent to the acetate filter arranged on the single side of the cylinder. The cylindrical body containing the tobacco particles is heated from the outside by a heater (set temperature: 55 ℃ C. Or 70 ℃ C.) to generate vapor and aerosol, and the generated vapor and aerosol are sucked by a smoker. The suction was performed 10 times in total based on the CIR method (canadian forced smoking condition method) with each suction of 55ml/2 seconds (1 suction being 30 second intervals, i.e., standby for 28 seconds after suction of 2 seconds). Then, the amounts of nicotine and menthol trapped by the glass fiber filter after 10 puffs were quantified, thereby obtaining a value of the trapped amount (inhaled amount) of nicotine or menthol per 10 puffs. This quantification was performed by shaking the collected components with 10ml of isopropyl alcohol (IPA) as an extraction solvent for 20 minutes at 200rpm, and GC analysis of the obtained extract under the following conditions.
< GC analysis Condition >)
Injection port temperature: 240 DEG C
Oven temperature: after maintaining at 150℃for 1.3 minutes, the temperature was raised to 240℃at 70℃per minute for 5 minutes
Chromatographic column: trade name: DB-WAX 10 mX0.18 mm X0.18 μm manufactured by Agilent Co
A detector: FID (FID)
Further, the weight before smoking of the glass fiber filter was subtracted from the weight after smoking of the glass fiber filter, and the weight difference before and after smoking of the glass fiber filter was calculated and used as the amount of the total particulate matter (TPM: total particulate matter) contained in the vapor and aerosol sucked by the smoker.
Further, the ratio of the trapped amount per 10 puffs to the filled amount of nicotine or menthol (trapped amount per 10 puffs/filled amount×100) (hereinafter referred to as "release efficiency per 10 puffs") was calculated for each of nicotine and menthol.
The results obtained are shown in table 1 and fig. 3 and 4.
TABLE 1
The flavor-absorbing material for a flavor-absorbing article of examples 1 to 12 was obtained by mixing a cellulose-based base material with nicotine.
As is clear from the results shown in table 1, fig. 3 and 4, the materials for flavor-absorbing articles of examples 1 to 12 have a release efficiency of 1.8% or more per 10 times of absorption of nicotine even at a temperature lower than conventional 200 ℃ or more, in which the heating temperature is 70 ℃. In addition, the materials for flavor-absorbing articles of examples 1 to 12 had a menthol release efficiency of 7% or more per 10 inhalations even when the heating temperature was set to a low temperature of 70 ℃.
The materials for flavor-absorbing articles of examples 1 to 12 were also easy to release nicotine, even when the heating temperature was further lowered from 70℃to 55℃and the release efficiency of nicotine per 10 inhalations was 0.6% or more. In addition, the materials for flavor-absorbing articles of examples 1 to 12 were easy to release menthol even when the heating temperature was set to an extremely low temperature of 55℃and the release efficiency of menthol per 10 inhalations was 4% or more.
The flavor-absorbing material of examples 1 to 12 was formed by supplying nicotine and menthol from the outside of tobacco particles, and therefore, it was considered that nicotine and menthol were attached to the surface of the flavor-absorbing material and the inside of pores formed in the surface. It is considered that nicotine and menthol adhering to the surface of the material for flavor-absorbing article and the inside of the hole are more easily released because they exist in a portion closer to the outer surface than nicotine and the like existing in the inside due to the original components of the material for flavor-absorbing article. Therefore, it is considered that nicotine and menthol are sufficiently released to the outside even when the heating temperature is low, and the release efficiency is improved.
Further, as is clear from the results of table 1 and fig. 3 and 4, even at the same heating temperature, the tobacco particles a having a smaller particle diameter tend to have a higher release efficiency per 10 times of nicotine suctioned than the tobacco particles B having a larger particle diameter. In this regard, it is considered that when the filling amount of the tobacco particles is the same, as the particle diameter of the tobacco particles becomes smaller, the total surface area of all the tobacco particles becomes larger. It is considered that the release efficiency of nicotine becomes high because the surface area becomes so large that the amount of nicotine present on the surface of tobacco particles and released increases.
Further, it is known that the lower the filling amount of nicotine is, the higher the release efficiency of nicotine per 10 puffs is. In this regard, it is considered that when the particle diameters of the tobacco particles are the same, the layer of nicotine adhering to the surface of the tobacco particles becomes thinner as the filling amount of nicotine decreases. It is believed that if the layer of nicotine is thicker, nicotine located below the layer is difficult to release. On the other hand, if the layer of nicotine is thin, nicotine is likely to be released from the whole layer, and thus the release efficiency of nicotine is considered to be high.
These trends observed for nicotine are also seen for menthol release efficiency. These trends in menthol release efficiency are also thought to occur for the same reasons as menthol.
From the above, it is clear that the material for a flavor-absorbing article of the present application can be used at a relatively low heating temperature.
The first embodiment will be described below with reference to examples.
Reference example 1
Tobacco leaves (tobacco leaves) are dry-crushed by Hosokawa Micron ACM machine to obtain tobacco powder. The cumulative 90% particle diameter (D90) in the volume-based particle size distribution measured by the dry laser diffraction method was measured using a Mastersizer (trade name, manufactured by spectra corporation MALVERN PANALYTICAL, inc.) and was 200 μm.
A tobacco sheet is produced using the tobacco powder as a tobacco raw material. Specifically, 70 parts by weight of the tobacco raw material, 12 parts by weight of glycerin as an aerosol-generating substrate, 4 parts by weight of carboxymethyl cellulose in powder form as a first molding agent, 1 part by weight of carboxymethyl cellulose swelled with water as a second molding agent, 5 parts by weight of fibrous pulp as a reinforcing agent, and 8 parts by weight of cocoa powder as a flavor were mixed and kneaded by an extrusion molding machine. The kneaded material was formed into a sheet shape by using 2 pairs of metal rolls to obtain a roll-formed product. The rolled product is cut into a rectangular shape and given a wavy shape by pressing the surface to be formed with a rotary roller blade. Further, the resultant was cut into a length of 20mm and dried, whereby a length was obtained: 20mm, width: 0.8mm tobacco flake. The cross section in the thickness direction of the tobacco sheet has a cross-sectional shape as shown in fig. 5.
The bulk of the resulting tobacco flakes was measured. Specifically, the tobacco flakes were stored in a 60% conditioned room at 22℃for 48 hours, and then measured for bulk by DD-60A (trade name, manufactured by Borgward Co.). The measurement was performed by placing 15g of tobacco flakes in a cylindrical container having an inner diameter of 60mm and obtaining a volume when compressed for 30 seconds under a load of 3 kg. The results are shown in Table 1. The bulk properties in table 2 are expressed as a rate (%) of increase in bulk properties with respect to a reference value, based on the value of bulk properties in reference example 1 described later.
Reference comparative example 1
A roll-formed product was produced in the same manner as in reference example 1. Thereafter, the sheet was cut into a rectangular shape by a plurality of annular rotary knives. Further, by cutting into a length of 20mm, a length was obtained: 20mm, width: 0.8mm tobacco flakes not imparted with a wave shape. The bulk of the obtained tobacco flakes was measured in the same manner as in reference example 1. The results are shown in Table 2.
TABLE 2
| Bulk increase (%) | |
| Reference example 1 | 54 |
| Reference comparative example 1 | - |
According to the table, in the tobacco flake of reference example 1, which is the tobacco flake of the present embodiment, the bulk is improved as compared with the tobacco flake of reference comparative example 1 to which the waveform shape is not given.
The following shows embodiments.
[1] A material for flavor absorbing articles is prepared by mixing a cellulose base material with nicotine.
[2] The material for a flavor-absorbing article according to [1], wherein the nicotine is a component supplied from outside the cellulose-based substrate and at least a part of the nicotine is present on the surface of the cellulose-based substrate.
[3] The material for a flavor adsorbing article according to [1] or [2], wherein the nicotine is selected from the group consisting of synthetic nicotine, separated nicotine and a combination thereof.
[4] The material for a flavor-absorbing article according to any one of [1] to [3], wherein the content of nicotine relative to the entire material for a flavor-absorbing article is 2% by weight or more.
[5] The material for a flavor-absorbing article according to any one of [1] to [4], further comprising menthol.
[6] The material for a flavor-absorbing article according to [5], wherein the menthol is contained in an amount of 6% by weight or more based on the entire material for a flavor-absorbing article.
[7] The material for a flavor-absorbing article according to any one of [1] to [6], which is in the form of particles or sheets.
[8] The material for a flavor-absorbing article according to item [7], which is in the form of particles having a particle diameter of 250 μm or more.
[9] The material for a flavor-absorbing article according to [7] or [8], which is in the form of particles each having a surface area of 0.1 to 2.5mm 2.
[10] The material for flavor-absorbing articles according to any one of [1] to [9], wherein the release efficiency of nicotine per 10 inhalations upon heating at 55℃is 0.6% or more.
[11] The material for a flavor-absorbing article according to [5] or [6], wherein the menthol release efficiency per 10-absorption at the time of heating absorption at 55℃is 4% or more.
[12] The material for flavor-absorbing articles according to any one of [1] to [11], wherein the release efficiency of nicotine per 10 inhalations upon heating at 70℃is 1.8% or more.
[13] The material for a flavor-absorbing article according to [5], [6], or [11], wherein the menthol release efficiency per 10-absorption at the time of heating absorption at 70 ℃ is 7% or more.
[14] A heated type flavor-absorbing article comprising the material for a flavor-absorbing article according to any one of [1] to [13 ].
[15] The heated type flavor-absorbing article according to item [14], further comprising a bag for accommodating the material for the flavor-absorbing article.
[16] The heated type flavor-absorbing article according to item [15], wherein the bag is a nonwoven fabric bag.
[17] A method for producing a material for a flavor-absorbing article according to any one of [1] to [13], comprising:
A step of preparing the cellulose-based substrate and the nicotine; and
And a step of supplying the nicotine from the outside of the cellulose base material and applying at least a part of the nicotine to the surface of the cellulose base material.
(1) A tobacco sheet for a non-combustion heating type flavor inhaler comprising a tobacco material, wherein the cross section of the tobacco sheet in the thickness direction has a wave shape.
(2) The non-combustion heating type flavor extracting tobacco sheet according to (1), further comprising an aerosol-generating substrate.
(3) The non-combustion heating type flavor-absorbing sheet according to (2), wherein the aerosol-generating substrate is at least one selected from the group consisting of glycerin, propylene glycol and 1, 3-butanediol.
(4) The non-combustion heating type flavor inhaler tobacco sheet according to (2) or (3), wherein the aerosol-generating substrate is contained in an amount of 4 to 50% by weight based on 100% by weight of the tobacco sheet.
(5) The non-combustion heating type flavor inhaler tobacco sheet according to any one of (1) to (4), further comprising a first molding agent and a second molding agent.
(6) The non-combustion heating type flavor inhaler tobacco sheet according to (5), wherein the first molding agent is at least one selected from the group consisting of polysaccharides, proteins and synthetic polymers.
(7) The non-combustion heating type flavor inhaler tobacco sheet according to (5) or (6), wherein the second molding agent is at least one member selected from the group consisting of polysaccharides, proteins and synthetic polymers, which is different from the first molding agent.
(8) The non-combustion heating type flavor extracting sheet according to any one of (5) to (7), wherein a proportion of the first molding agent contained in 100% by weight of the sheet is 0.1 to 15% by weight.
(9) The non-combustion heating type flavor extracting sheet according to any one of (5) to (8), wherein a proportion of the second molding agent contained in 100% by weight of the sheet is 0.1 to 15% by weight.
(10) A non-combustion heating type flavor inhaler comprising a tobacco-containing segment comprising the non-combustion heating type flavor inhaler tobacco sheet according to any one of (1) to (9).
(11) A non-combustion heating type flavor sucking system is provided with:
(10) The non-combustion heating type flavor aspirator described; and
A heating device for heating the tobacco-containing section.
(12) The method for producing a tobacco sheet for a non-combustion heating type flavor inhaler described in any one of (1) to (9), comprising:
A step of preparing a mixture comprising a tobacco raw material, an aerosol-generating substrate, a first forming agent, and a second forming agent;
A step of rolling the mixture to form a roll-formed product; and
And a step of pressing the roll forming product with a rotary roll cutter to cut the roll forming product into a rectangular shape and imparting a wavy shape.
Description of the reference numerals
1. Tobacco flake
2. Wave-guide
3. Saw tooth shape
10. Heating device
11. Main body
12. Heater
20. Non-combustion heating type fragrance absorbing article
20A smoking segment
20B connecting portion
20C filter part
21. Sheet of smoking composition or self-contained material
22. Wrapping material
23. Paper tube
24. Vent hole part
25. First section
25A first filling layer
25B inner filter stick wrapping material
26. Second section
26A second filling layer
26B inner filter stick wrapping material
27. Outer filter stick wrapping material
28. Wrapping material
Claims (6)
1. A material for a flavor-absorbing article, characterized in that,
Which is prepared by mixing a cellulose base material and nicotine.
2. A material for a fragrance absorbing article according to claim 1,
The material for flavor-absorbing article is a non-combustion heating type tobacco sheet for flavor-absorbing article,
The cross section of the tobacco sheet in the thickness direction has a wave shape.
3. A material for a fragrance absorbing article according to claim 2,
The tobacco sheet also comprises an aerosol-generating substrate.
4. A method for producing the material for flavor-absorbing article according to claim 2 or 3, comprising the steps of:
preparing a mixture comprising the cellulosic substrate, an aerosol-generating substrate, a first forming agent, and a second forming agent;
rolling the mixture to form a roll-formed product;
pressing a rotary roller blade against the rolled product to cut it into a rectangular shape and impart a wavy shape; and
The nicotine is supplied from outside the cellulose-based substrate and at least a part thereof is imparted to the surface of the cellulose-based substrate.
5. A non-combustion heating type fragrant sucking article is characterized in that,
A tobacco-containing segment comprising the flavor-absorbing article material according to any one of claims 1 to 3.
6. A non-combustion heating type flavor extracting system, comprising:
The non-combustion heated flavor extracting article of claim 5; and
Heating means for heating said tobacco-containing segment.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2021-170059 | 2021-10-18 | ||
| JP2021188296 | 2021-11-19 | ||
| JP2021-188296 | 2021-11-19 | ||
| PCT/JP2022/038512 WO2023068214A1 (en) | 2021-10-18 | 2022-10-17 | Material for flavor inhalation article, heating-type flavor inhalation article, and production method for material for flavor inhalation article |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN118215411A true CN118215411A (en) | 2024-06-18 |
Family
ID=86396533
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202280070318.XA Pending CN118139537A (en) | 2021-10-18 | 2022-10-17 | Material for flavor-absorbing article, heated flavor-absorbing article, and heated flavor-absorbing system |
| CN202280070024.7A Pending CN118215411A (en) | 2021-10-18 | 2022-10-17 | Material for flavor-absorbing article, heated flavor-absorbing article, and method for producing material for flavor-absorbing article |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202280070318.XA Pending CN118139537A (en) | 2021-10-18 | 2022-10-17 | Material for flavor-absorbing article, heated flavor-absorbing article, and heated flavor-absorbing system |
Country Status (2)
| Country | Link |
|---|---|
| CN (2) | CN118139537A (en) |
| WO (1) | WO2023089859A1 (en) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5882535B2 (en) * | 2013-03-08 | 2016-03-09 | 日本たばこ産業株式会社 | Non-burning flavor inhaler |
| WO2015049793A1 (en) * | 2013-10-04 | 2015-04-09 | 日本たばこ産業株式会社 | Non-heating type flavor aspirator manufacturing device and manufacturing method |
| US20180368472A1 (en) * | 2017-06-21 | 2018-12-27 | Altria Client Services Llc | Encapsulated ingredients for e-vaping devices and method of manufacturing thereof |
| RU2763273C2 (en) * | 2017-07-14 | 2021-12-28 | Филип Моррис Продактс С.А. | Aerosol generating system with ventilation air flow |
| KR20210034002A (en) * | 2018-07-26 | 2021-03-29 | 필립모리스 프로덕츠 에스.에이. | Articles for forming aerosols |
| CN109275963A (en) * | 2018-12-10 | 2019-01-29 | 山东精彩香料科技开发有限公司 | A kind of low temperature does not burn smoke grenade structure |
-
2022
- 2022-06-24 WO PCT/JP2022/025307 patent/WO2023089859A1/en unknown
- 2022-10-17 CN CN202280070318.XA patent/CN118139537A/en active Pending
- 2022-10-17 CN CN202280070024.7A patent/CN118215411A/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| CN118139537A (en) | 2024-06-04 |
| WO2023089859A1 (en) | 2023-05-25 |
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