WO2021215490A1

WO2021215490A1 - Non-combustion-heated tobacco product and electrically heated tobacco product

Info

Publication number: WO2021215490A1
Application number: PCT/JP2021/016270
Authority: WO
Inventors: 崇之中園; 悠司山内; 哲哉吉村; 弘樹中合
Original assignee: 日本たばこ産業株式会社
Priority date: 2020-04-22
Filing date: 2021-04-22
Publication date: 2021-10-28
Also published as: TW202145911A; JP7280435B2; JPWO2021215490A1; EP4140326A1

Abstract

Provided is a cylindrical non-combustion-heated tobacco product having a first filter part, a second filter part, and a wound paper that is wound around the filter parts so that a space section is formed between the first filter part and the second filter part, wherein: a particulate tobacco material is positioned in the space section so as to be capable of moving; the electricity-conduction resistance from the first filter part to the second filter part, when the non-combustion-heated tobacco product is placed so that either the first filter part or the second filter part forms a bottom surface, is 13-32 mm H₂O; and the bulk specific density of the particulate tobacco material is 55 g/100 cc or higher.

Description

Non-combustion heated tobacco and electrically heated tobacco products

The present invention relates to non-combustion heat-not-burn tobacco and electric heat-not-burn tobacco products.

Ordinary cigarettes (cigarettes) are made by chopping dried tobacco leaves to a width of about 1 mm, adding fragrances, moisturizers, and appropriate moisture, and wrapping them in a columnar shape mainly with a wrapper made of paper. It is made by connecting a rod and a mouthpiece rod made of fibers made of cellulose acetate or the like or pleated paper wrapped in a columnar shape with a wrapper made of paper, and connecting them with lining paper. ing.
When using a normal cigarette, the user ignites the end of the tobacco rod with a lighter or the like, and smokes by sucking from the end of the mouthpiece. The fire part at the tip of the tobacco rod burns at a temperature exceeding 800 ° C.
As an alternative to such ordinary cigarettes, non-combustion-heated smoking articles and non-combustion-heated tobacco flavor suction systems that utilize electric heating without combustion have been developed.

A general non-combustion heating type tobacco flavor suction system consists of a columnar non-combustion heating type tobacco flavor suction article similar to a normal cigarette and a heating device including a battery, a controller, a heater and the like. There are two types of heaters, one by electric resistance and the other by IH. For the heater by electric resistance, the contact point with the non-combustion heating type tobacco flavor suction article should be heated from the outside of the columnar non-combustion heating type tobacco flavor suction article. In some cases, needle-shaped or blade-shaped ones are inserted into the tobacco filling layer from the tip of a non-combustion-heated tobacco flavor suction article.

In a non-combustion-heated tobacco flavor suction system (electrically-heated tobacco product) provided with a tobacco filler for non-combustion-heated tobacco, it is important to increase satisfaction during its use. In particular, an electrically heated tobacco product in which the flavor component contained in the tobacco filling is volatilized together with an aerosol-producing base material and delivered to the user's oral cavity is required to exhibit a flavor close to that of a conventional cigarette. ..
As such a non-combustion type heated smoking article, a tubular non-combustion type tobacco product in which both ends are sealed with a filter material and the space between the both ends is filled with a tobacco material is described. (See, for example, Patent Document 1.).

International Publication No. 2018/215781

It is described that the tobacco product described in Patent Document 1 can be produced by using a conventional manufacturing technique. Further, it is described that the pressure loss in the axial direction of the tobacco products is less than 120mmH 2 _O.
However, in the tobacco product described in Patent Document 1, there is no particular description about the filling mode of the tobacco material filled in the spaces at both ends, and it is said that the tobacco product has a response to absorption and the release of flavor components is sustained. There is no description about the relationship.

Therefore, it is an object of the present invention to provide a non-combustion heat-not-burn tobacco or the like which can give a sufficient sucking response to a user and has a good sustainability of release of a flavor component. do.

As a result of diligent studies by the present inventor, a cigarette paper for winding these filter portions so as to form a space portion between the first filter portion, the second filter portion, and the first filter portion and the second filter portion. A tubular non-combustion-heated tobacco having a When a non-combustion heat-not-burn tobacco is placed, the ventilation resistance from the first filter portion to the second filter portion is 13 to 32 mmH ₂ O, and the bulk specific gravity of the particulate tobacco material is 55 g / 100 cc. We have found that a non-combustion heat-not-burn tobacco can solve the above problems.

That is, the gist of the present invention is as follows.
[1] A tubular shape having a first filter portion, a second filter portion, and a cigarette paper for winding these filter portions so as to form a space portion between the first filter portion and the second filter portion. Non-combustion heat-not-burn tobacco
Particulate tobacco material is movably arranged in the space.
When the non-combustion heat-not-burn tobacco is placed so that one of the first filter portion and the second filter portion is on the bottom surface, the ventilation resistance from the first filter portion to the second filter portion is 13 to 32 mmH. ₂ O,
A non-combustion heat-not-burn tobacco having a bulk specific gravity of 55 g / 100 cc or more of the particulate tobacco material.
[2] the sum of the flow resistance of the the first filter unit second filter portion is smaller than 8mmH 2 _O, non-combustion heating type tobacco according to [1].
[3] The non-described in [1] or [2], wherein the ratio of the volume of the particulate tobacco material to the total volume of the space is 30% by volume or more and 70% by volume or less of the volume of the space. Burning and heating type tobacco.
[4] The non-combustion heating according to any one of [1] to [3], wherein the non-combustion heating type cigarette has a cylindrical shape, and the diameter of the circle of the cylinder is 7.0 mm or more and 8.0 mm or less. Ceremony cigarette.
[5] The non-combustion heat-not-burn tobacco has a cylindrical shape, and the length from the first end portion to the second end portion in the space portion is 10.0 mm or more and 20.0 mm or less [1]. ] To [4]. The non-combustion heat-not-burn tobacco according to any one of [4].
[6] The non-combustion heat-not-burn tobacco according to any one of [1] to [5], wherein the average particle size of the particulate tobacco material is 400 μm or more and 700 μm or less.
[7] The non-combustion heat-not-burn tobacco according to any one of [1] to [6], wherein the particle size measured by the sieve of the particulate tobacco material is> 250 μm and <840 μm.
[8] The non-combustion heat-not-burn tobacco according to any one of [1] to [7], wherein the pH of the particulate tobacco material is 7 or more.
[9] The non-combustion heat-not-burn tobacco according to any one of [1] to [8], wherein the particulate tobacco material is tobacco granules.
[10] An electrically heated device including a heater member, a battery unit serving as a power source for the heater member, and a control unit for controlling the heater member is inserted so as to come into contact with the heater member. An electrically heated tobacco product comprising the non-combustion heated tobacco according to any one of [1] to [9].
[11] The electrically heated device includes a housing, a mouthpiece, and the like.
The housing extends in the axial direction and an opening is formed at a first end portion in the axial direction, and the housing communicates with the opening to form an internal accommodation space in the accommodation space of the housing. The electrically heated tobacco product according to [10], wherein the non-combustion heated tobacco is housed, and the mouthpiece has an engaging portion and a holding portion.

According to the present invention, it is possible to provide a user with a sufficient sucking response and to provide a non-combustion heat-not-burn tobacco or the like having a good sustainability of release of its flavor component.

It is the schematic of the non-combustion heating type cigarette which concerns on embodiment of this invention. It is a schematic diagram of the form in which the non-combustion heating type tobacco and the additional segment according to the embodiment of the present invention are wrapped with the additional segment bonding paper. It is a schematic diagram of the form in which the non-combustion heating type tobacco and the additional segment according to the embodiment of the present invention are wrapped with the additional segment bonding paper. It is a perspective view which shows one aspect of the electric heating type tobacco product which accommodates the non-combustion heating type tobacco which concerns on embodiment of this invention. FIG. 3 is a perspective view of the electrically heated tobacco product of FIG. 3 with the cap removed. FIG. 4 is a cross-sectional view taken along the line III-III of FIG. It is a partial cross-sectional view of the cartridge and the mouthpiece which is one aspect of the non-combustion heating type cigarette which concerns on embodiment of this invention.

The non-combustion heat-not-burn tobacco according to the embodiment of the present invention is a winding paper that is wound so as to form a space between the first filter portion, the second filter portion, and the first filter portion and the second filter portion. It is a tubular non-combustion heat-not-burn tobacco having and.
An example of the non-combustion heat-not-burn tobacco according to the embodiment is shown in FIG. Hereinafter, the non-combustion heat-not-burn tobacco according to the embodiment will be described with reference to the drawings. The direction h in FIG. 1 is the long axis direction of the non-combustion heating type cigarette according to the embodiment.

As shown in FIG. 1, the configuration of the non-combustion heat-not-burn tobacco 20 according to the embodiment is wound so as to form a space portion 23 between the first filter portion 21, the second filter portion 22, and these filter portions. It includes a roll paper 24 for forming a tubular shape, and a tobacco material T movably arranged in a space portion. Each configuration will be described later. The first filter section and the second filter section are distinguished for convenience in the present specification and the drawings, but unless otherwise specified, they are not distinguished, and any of the filter sections is the first filter section. May also be the second filter section.

In the present specification, the fact that the particulate tobacco material is movably arranged means that the tobacco material moves in the space when the non-combustion heat-not-burn tobacco is moved up, down, left and right. do. Therefore, the particulate tobacco material has fluidity.
Since the particulate tobacco material has fluidity, the user can freely change the arrangement of the tobacco material in the space of the non-combustion heat-not-burn tobacco by changing the direction when using the non-combustion heat-not-burn tobacco. be able to. By changing the arrangement of the tobacco material existing in the space of the non-combustion heating type tobacco, the ventilation condition at the time of use can be changed according to the preference of the user.

As shown in FIG. 1, the non-combustion heat-not-burn tobacco preferably has a columnar shape, and in this case, in the long axis direction of the non-combustion heat-not-burn tobacco with respect to the width of the bottom surface of either end. The aspect ratio represented by the height is preferably 1 or more.
Aspect ratio = h / w
w is the width of the bottom surface of the columnar body (in the present specification, it is the width of the bottom surface of any end of the non-combustion heat-not-burn tobacco), h is the height, and h ≧ w is preferable. .. However, in the present embodiment, as described above, the long axis direction is defined as the direction indicated by h. Therefore, even when w ≧ h, the direction indicated by h is referred to as the major axis direction for convenience.
The shape of the bottom surface is not limited and may be a polygon, a rounded polygon, a circle, an ellipse, etc., and the width is a diameter when the bottom surface is circular, a major axis when the bottom surface is elliptical, a polygonal shape, or a rounded corner polygon. The case is the diameter of the circumscribed circle or the major axis of the circumscribed ellipse. For example, in the embodiment shown in FIG. 1, since the bottom surface is a circle, its diameter can be recognized. The diameter is the width w, and the length orthogonal to the width is the height h.
The length h in the long axis direction of the non-combustion heat-not-burn tobacco is not particularly limited, and is usually 15 mm or more, preferably 20 mm or more. Further, it is usually 85 mm or less, preferably 60 mm or less, and more preferably 40 mm or less.
The width w of the bottom surface of the columnar body of the non-combustion heat-not-burn tobacco is not particularly limited, and is usually 5 mm or more, preferably 5.5 mm or more. Further, it is usually 10 mm or less, preferably 9 mm or less, and more preferably 8 mm or less.

The non-combustion heat-not-burn tobacco is preferably cylindrical, and the length from the first filter portion to the second filter portion in the space portion (the length in the long axis direction of the space portion) is 10.0 mm. As mentioned above, it is preferably 20.0 mm or less.
Further, when the non-combustion heat-not-burn tobacco has a cylindrical shape, it is preferable that the diameter of the circle of the cylinder is 7.0 mm or more and 8.0 mm or less.
The volume of the space portion of the non-combustion heating type tobacco is not particularly limited, and the relationship with other members constituting the electrically heating type tobacco product other than the non-combustion heating type tobacco and the tobacco material arranged in the space portion. It can be appropriately set in relation to the amount, but for example, it can be 500 mm ³ or more and 3000 mm ³ or less, 500 mm ³ or more, and 800 mm ³ or less.

As shown in FIG. 1, it is preferable that the first filter portion and the second filter portion form both ends of a non-combustion-heated cigarette. Since both ends are composed of filter portions, it is possible to prevent the particulate tobacco material from leaking from the space portion existing between both filter portions.
The total air flow resistance of the filter material constituting the first filter portion and the second filter portion is preferably less than 8mmH 2 _O. The total airflow resistance of the filter material constituting the first filter portion and the second filter portion that is less than 8mmH 2 _O, without impairment of sucking response when using non-combustion heating type tobacco.

The total ventilation resistance of the filter materials constituting the first filter portion and the second filter portion is the sum of the values obtained by separately measuring the ventilation resistances of the filter materials constituting both ends. The ventilation resistance of the filter material is that the filter material is covered with air-impermeable rubber so that air does not flow in from its side surface (outer peripheral surface), and the filter material is sucked from one end at a flow rate of ^{17.5 cm 3 / sec.} It is the differential pressure PD (mmH ₂ O) in.

The ratio of the length of the space to the length h of the non-combustion-heated tobacco is not particularly limited with reference to the long axis direction of the non-combustion-heated tobacco, but the amount of the tobacco material within the range in which the effect of the present invention can be exhibited. From the viewpoint of ensuring the above, and from the viewpoint of achieving a ventilation resistance that is easy to absorb, it is preferably 0.1 or more and 0.9 or less, and more preferably 0.4 or more and 0.7 or less.

The non-combustion heat-not-burn tobacco according to the embodiment of the present invention is the first filter when the non-combustion heat-not-burn tobacco is placed so that one of the first filter portion and the second filter portion is on the bottom surface. The ventilation resistance from the portion to the second filter portion is 13 to 32 mmH ₂ O.
When the non-combustion heating type tobacco is placed so that one of the first filter part and the second filter part is the bottom surface, the particulate tobacco material is used as the bottom side filter in the space portion of the non-combustion heating type tobacco. Move on the inner surface of the material. In that state, the ventilation resistance from the first filter portion to the second filter portion, that is, the ventilation resistance in the long axis direction of the non-combustion heating type cigarette is measured. Since this ventilation resistance is measured in a state where the tobacco material is substantially uniformly present on the inner surface of the filter material on the bottom surface side, the presence of the tobacco material hinders the ventilation of the filter. Therefore, it shows the largest value among the ventilation resistances of the long-axis method of non-combustion heat-not-burn tobacco according to the embodiment of the present invention.
The ventilation resistance of the non-combustion heat-not-burn tobacco according to the embodiment of the present invention is the first end portion or the second portion in a state where one of the first filter portion and the second filter portion is placed on the bottom surface as described above. It is a _{differential pressure PD (mmH 2} O) for non-combustion heat-not-burn tobacco when sucked at a flow rate of ^{17.5 cm 3 / sec from the end.} In addition, this ventilation resistance is also referred to as "downward ventilation resistance".

<Tobacco material>
The form of the tobacco material is not particularly limited as long as it is in the form of particles. Those that are composed (also referred to as "tobacco material (B)") can be mentioned, but the tobacco material (A) (tobacco granules) is preferable.
In order to achieve the desired tobacco flavor, it is necessary to mix various types of tobacco leaves and place them in the space of non-combustion heat-not-burn tobacco, and the tobacco material (B) puts the tobacco material in the space at high speed. When inserting, the compounding ratio tends to vary. Since the tobacco material (A) is produced by blending tobacco leaves at a predetermined blending ratio, it is unlikely that the blending ratio will vary when inserted into the space of non-combustion heat-not-burn tobacco at high speed. Further, since the amount of crushed tobacco material (A) during transportation of the tobacco material is smaller than that of the tobacco material (A), the variation in ventilation resistance is smaller when the tobacco material (A) is used. For these reasons, the tobacco material (A) is preferable to the tobacco material (B).
The tobacco material may consist only of the tobacco material (A) or the tobacco material (B), may consist of a mixture thereof, or may be a mixture containing other particulate tobacco materials, as described above. From the same viewpoint as above, it is preferable that the tobacco material (A) is used alone. In the case of a mixture, the mixing ratio can be arbitrarily designed.
The granules (also referred to as "tobacco granules") in the present specification mean granulated tobacco.

The ratio of the volume of the tobacco material to the total volume of the space is not particularly limited and can be appropriately set according to the form of the non-combustion heating type tobacco or the tobacco material. With respect to the volume of the space portion, it is usually 25% by volume or more, preferably 30% by volume or more, more preferably 40% by volume or more, and further preferably 50% by volume or more. When it is 30% by volume or more, the flavor component contained in the tobacco material is sufficiently released to the user. Further, it is usually 75% by volume or less, preferably 70% by volume or less, more preferably 65% by volume or less, and further preferably 60% by volume or less. When it is 70% by volume or less, the ventilation resistance does not become too large, a good suction response can be ensured, and the fluidity of the tobacco material in the above space can be ensured.
The ratio of the weight of the tobacco material to 100% by volume of the total volume of the space is not particularly limited and can be appropriately set according to the form of the non-combustion heating type tobacco or the tobacco material, but a suitable ventilation resistance is ensured. From the viewpoint, it is usually 0.1 g / cm ³ or more, preferably 0.3 g / cm ³ or more, and usually 1.5 g / cm ³ or less, 1.0 g / cm ³ or less. Is preferable, and 0.6 g / cm ³ or less is more preferable.

The particulate tobacco material used in the present embodiment is preferably classified by a sieve having the following meshes. For example, ease of movement in a space and a high specific surface area can be easily achieved, which in turn makes it easier to achieve. From the viewpoint of easy control of aeration resistance and easy acquisition of excellent flavor effect, it usually does not pass through a sieve having a sieve of 149 μm (> 149 μm (over 149 μm)), but passes through a sieve having a sieve of 1680 μm. (<1680 μm (less than 1680 μm)) is preferable. More preferably, it does not pass through a sieve having a sieve of 250 μm (> 250 μm (more than 250 μm)) but passes through a sieve having a sieve of 840 μm (<840 μm (less than 840 μm)).
As for the average particle size in the present specification, several meshes near the lower limit and the upper limit of the existing particle size and between the lower limit mesh and the upper limit sieve are prepared, classified, and remain in each mesh. The weight of the sieve material can be measured and calculated by proportionally dividing the weight.
The average particle size of the particulate tobacco material according to the embodiment of the present invention is preferably 400 μm or more and 700 μm or less.
By having such an average particle size, it is possible to ensure the appropriate fluidity of the tobacco material, and it is possible to set the downward aeration resistance of the non-combustion heat-not-burn tobacco within a desired range.
The average particle size of the particulate tobacco can be determined by measuring the weight of the tobacco material obtained by classifying the tobacco materials with meshes of 850 μm, 710 μm, 600 μm, 500 μm, 425 μm, 300 μm, 212 μm, and 106 μm and apportioning the weight.
The average particle size of the particulate tobacco material can be adjusted by classifying the tobacco material used.

The bulk specific density of the particulate tobacco material is 55 g / 100 cc or more. By having such a bulk specific gravity, it is possible to improve the sucking response when using non-combustion heat-not-burn tobacco and to improve the sustainability of the release of flavor components. The bulk specific density of the particulate tobacco material is, for example, more preferably 58 g / 100 cc or more, while it is more preferably 80 g / 100 cc or less, and more preferably 70 g / 100 cc or less.

<Measurement method of bulk specific density of tobacco material>
A sample is supplied to a sieve (opening 1.7 mm, wire diameter 0.8 mm), the passed sample is ^{filled in a 100 cm 3} cup container by vibrating the sieve, and then the excess sample is scraped off at the upper end surface of the cup. Weigh. Examples of the measuring machine include Powder Tester PT-X manufactured by Hosokawa Micron Co., Ltd.

The non-combustion heating type tobacco formed by wrapping the filter part or the tobacco material with a roll paper preferably has a columnar shape, and in this case, the non-combustion heating type with respect to the width of the bottom surface of either end. It is preferable that the aspect ratio represented by the height in the long axis direction of the cigarette is 1 or more.
The shape of the bottom surface is not limited and may be a polygon, a rounded polygon, a circle, an ellipse, etc., and the width is a diameter when the bottom surface is circular, a major axis when the bottom surface is elliptical, a polygonal shape, or a rounded corner polygon. The case is the diameter of the circumscribed circle or the major axis of the circumscribed ellipse. For example, in the embodiment shown in FIG. 1, since the bottom surface is a circle, its diameter can be recognized. The diameter is the width, and the length orthogonal to this is the height.
Further, the tobacco material may have a fitting portion with a heater member or the like for heating non-combustion heating type tobacco.

[Flavor expression aid]
A flavor-developing aid can be added to the tobacco material. This flavor-developing aid comprises at least one of carbonates, bicarbonates, oxides and hydroxides of alkali metals and / or alkaline earth metals. Preferably, the flavoring aid is potassium carbonate or sodium carbonate. By adding a flavor development aid, the volatilization of tobacco content components, which are mostly amines, is ensured, and sufficient tobacco flavor can be developed even in non-combustion heat-not-burn tobacco that is heated at a relatively low temperature. Can be done.
By adding a flavor-developing aid, the pH of the tobacco material may be 7-10.
In the present specification, the pH can be measured with a pH meter (for example, IQ240 manufactured by IQ Scientific Instruments Inc.), for example, 2 to 10 g of tobacco material is added with 10 times the weight ratio of distilled water, and room temperature (for example, for example). The mixture of water and the tobacco material is shaken at 200 rpm for 10 minutes and allowed to stand for 5 minutes at 22 ° C.), and then the pH of the obtained extract is measured with a pH meter.

The pH of the tobacco material is not particularly limited, but is usually 6.5 or higher, preferably 7.0 or higher, from the viewpoint of ensuring the volatilization of tobacco content components, which are often amines such as nicotine. It is more preferably 7.5 or more, and usually 11.0 or less, preferably 10.0 or less. The pH is easily determined mainly by the type and amount of the above-mentioned flavor expression aid, but can be changed by other materials.
The pH of the tobacco material used for ordinary cigarettes and non-combustion heat-not-burn tobacco varies depending on the type of tobacco used or the type of fragrance component to be added, but it is about 4 to 6 depending on the contribution of various organic acids contained. In the case of such a small pH, that is, in an acidic environment, it is difficult for the tobacco content components, which are often amines, to be volatilized. In this regard, in ordinary cigarettes and non-combustion heat-not-burn tobacco, since the heating temperature at the time of use is high, a desired volatile amount of tobacco content components, which are mostly amines, is secured. However, when the heating temperature at the time of use is high, not only the volatilization of the aerosol-forming base material but also the decomposition of other components occurs, so that white tobacco vapor is likely to be generated.
On the other hand, by making the pH of the tobacco material alkaline as in the above range, the desired nicotine volatilization amount can be obtained while keeping the heating temperature low during use, that is, achieving suppression of white tobacco vapor. Can be secured.

Hereinafter, the tobacco materials (A) and (B) will be specifically described, but unless otherwise specified, the various conditions and suitable ranges described for each tobacco material are applicable to other tobacco materials. Can also be applied.

<Tobacco material (A)>
The tobacco material (A) is composed of tobacco granules.
The raw material of the tobacco material (A) is not particularly limited, but at least one flavor selected from the group consisting of (a) crushed tobacco material, (b) water content, (c) potassium carbonate and sodium hydrogen carbonate. Expression aids and at least one binder selected from the group consisting of (d) pullulan and hydroxypropyl cellulose can be mentioned.

The crushed tobacco material (component (a)) contained in the raw material of the tobacco material (A) includes crushed tobacco leaves, a crushed tobacco sheet, a tobacco material (B) described later, and the like. Tobacco varieties include Burley, Yellow and Oriental varieties. The pulverized tobacco material is preferably pulverized to a size of 200 μm or more and 300 μm or less. This average particle size can be measured using a particle size distribution measuring device (for example, a master sizer manufactured by Spectris).

The water content (component (b)) contained in the tobacco material (A) is for maintaining the integrity of the tobacco granules.
The raw material mixture of the tobacco material (A) usually contains water in an amount of 3% by weight or more and 13% by weight or less. In addition, the tobacco material (A) may contain water in an amount such that the value of weight loss on drying is usually 5% by weight or more and 17% by weight or less. Drying weight loss is when a part of a sample is taken for measurement and the sample is completely dried by evaporating the total water content in the collected sample (for example, at a constant temperature (105 ° C.) for 15 minutes. Refers to the change in weight before and after drying), specifically, the ratio of the total value of the amount of water contained in the sample and the amount of volatile components that volatilize under the above drying conditions to the sample weight. Refers to (% by weight). That is, the dry weight loss (% by weight) can be expressed by the following formula (1).
Dry weight loss (% by weight) =
{(Weight of sample before complete drying)-(Weight of sample after complete drying)} x 100 / Weight of sample before complete drying (1)

The flavor-developing aid (component (c)) contained in the tobacco material (A) consists of potassium carbonate, sodium hydrogen carbonate or a mixture thereof. These pH adjusters adjust the pH of the tobacco material (A) to the alkaline side, thereby promoting the release of the flavor component contained in the tobacco material (A) from the tobacco granules, which may satisfy the user. Brings a taste.
The raw material mixture of the tobacco material (A) may contain a pH adjuster in an amount of usually 5% by weight or more and 20% by weight or less.

The binder (component (d)) contained in the tobacco material (A) binds the tobacco granule components to maintain the integrity of the tobacco granules. Binders consist of pullulan, gellan gum, carrageenan, agar, guagam, roast bean gum, hydroxypropyl cellulose (HPC), hydroxypropyl methyl cellulose (HPMC), carboxymethyl cellulose (CMC), starch starch, modified starch, or a mixture thereof. NS.
The raw material mixture of the tobacco material (A) can usually contain a binder in an amount of 0.5% by weight or more and 15% by weight or less.

The tobacco material (A) can consist of the above components (a), (b), (c) and (d), but can include additional components.
Additional ingredients include (e) volatile fragrances (solid or liquid, also referred to as "fragrance ingredients" or "flavoring materials"). As the volatile fragrance, any fragrance can be used as a characteristic fragrance that can develop a fragrance feeling at a low temperature of about 100 ° C. The fragrance feeling means that when a non-combustion heat-not-burn tobacco is used, the fragrance-derived flavor can be felt. The fragrance ingredients include l-menthol, natural vegetable fragrances (eg, cognac oil, orange oil, jasmine oil, spearmint oil, peppermint oil, anis oil, coriander oil, lemon oil, chamomile oil, lavdanum, vetiver oil, rose oil). , Robage oil), esters (eg, menthyl acetate, isoamyl acetate, linaryl acetate, isoamyl propionate, butyl butyrate, methyl salicylate, etc.), ketones (eg, menthon, ionone, ethylmaltor, etc.), alcohols (eg, menthon, ionone, ethylmaltor, etc.) Use one selected from phenylethyl alcohol, anetol, cis-6-nonen-1-ol, eucalyptor, etc.), aldehydes (eg, benzaldehyde, etc.), and lactones (eg, ω-pentadecalactone, etc.). be able to. Particularly preferred as the volatile flavors contained in the tobacco material are 1-menthol, anethole, menthyl acetate, eucalyptus, ω-pentadecalactone and cis-6-nonene-1-ol. Alternatively, as the volatile flavor contained in the tobacco material, two or more kinds selected from the above group may be mixed and used.

The volatile fragrance contained in the tobacco material (A) may be used as a solid, or may be used by being dissolved or dispersed in a suitable solvent such as propylene glycol, glycerin, ethyl alcohol, or benzyl alcohol. Preferably, a fragrance in which a dispersed state is easily formed in the solvent by adding an emulsifier, for example, a hydrophobic fragrance or an oil-soluble fragrance can be used. These fragrance components may be used alone or in combination.

The raw material mixture of the tobacco material (A) can usually contain the above flavoring material in an amount of 0.5% by weight or more and 30% by weight or less. The flavoring material may be added to the ingredients by direct kneading with the ingredients (a), (b), (c) and (d), or to a known clathrate host compound such as cyclodextrin. It may be added to the above component by supporting and preparing a clathrate compound and then kneading it with the above component. Further, after the tobacco material (A) is prepared without adding the flavor material, the flavor material dissolved in the solvent can be spray-sprayed and added. Further, after the tobacco material (A) is prepared without adding the flavor material, the flavor material dissolved in the solvent can be spray-sprayed and added.
The content of the flavor in the tobacco material (A) obtained from the raw material mixture is not particularly limited, and is usually 100,000 ppm or less, preferably 40,000 ppm or less, more preferably 25,000 ppm, from the viewpoint of imparting a good flavor. It is as follows.

When the tobacco material (A) is composed of the above components (a), (b), (c), (d) and (e), the raw material mixture of the tobacco material (A) usually contains the component (a). , Can be contained in an amount of about 20% by weight or more (about 80% by weight or less).

In the tobacco material (A), the components (a), (c) and (d) and, if desired, the component (e) are mixed, the component (b) is added to the mixture and kneaded, and the obtained kneaded product is wetted. It is obtained by granulating (long columnar) with an extrusion granulator and then sizing into short columns or spheres.
In extrusion granulation, it is preferable to extrude the kneaded product at an ambient temperature at a pressure of 2 kN or more. Due to this high-pressure extrusion, the temperature of the kneaded product at the outlet of the extruder and granulator rises momentarily from the ambient temperature to, for example, 90 ° C. or higher and 100 ° C. or lower, and the water content and volatile components are 2% by weight or more. Evaporates at 4% by weight or less. Therefore, the water to be blended to make the kneaded product can be used in an amount larger than the desired water content in the obtained tobacco granules by the above-mentioned evaporation amount.

Tobacco granules obtained by extrusion granulation may be further dried if necessary for moisture adjustment. For example, the dry weight loss of tobacco granules obtained by extrusion granulation is measured, and if it is higher than the desired dry weight loss (eg, 5% by weight or more, 17% by weight or less), the tobacco is obtained to obtain the desired dry weight loss. The granules may be further dried. The drying conditions (temperature and time) for obtaining the desired drying weight loss are set in advance based on the drying conditions (temperature and time) required to reduce the drying weight loss by a predetermined value. Can be done.

The tobacco material (A) can consist only of the above-mentioned tobacco granules, but can further include additional tobacco materials. Additional tobacco material is usually tobacco leaf chopped or finely ground. Additional tobacco materials can be used in admixture with tobacco granules.

<Tobacco material (B)>
The tobacco chopped material contained in the tobacco material (B) is not particularly limited, and known materials such as lamina and middle bone can be used. For example, dried tobacco leaves may be chopped to a width of 0.5 mm or more and 2.0 mm or less. The length of the chopped tobacco leaves is in the range of 0.5 mm or more and 10 mm or less. Further, dried tobacco leaves are crushed so that the average particle size is 20 μm or more and 200 μm or less to obtain a crushed tobacco product, and a homogenized product is processed into a sheet (hereinafter, also simply referred to as a homogenized sheet). It may be carved to a width of 0.5 mm or more and 2.0 mm or less. The average particle size of the pulverized tobacco product can be measured using a particle size distribution measuring device (for example, a master sizer manufactured by Spectris). The length of the engraved homogenizing sheet is in the range of about 0.5 mm or more and 10 mm or less. As for the tobacco leaves used for producing the tobacco chopped and homogenized sheets, various types of tobacco can be used. For example, yellow varieties, Burley varieties, Orient varieties, native varieties, other Nicotiana-Tabacam varieties, Nicotiana rustica varieties, and mixtures thereof can be mentioned. As for the mixture, each of the above varieties can be appropriately blended and used so as to obtain the desired taste. Details of the tobacco varieties are disclosed in "Tobacco Encyclopedia, Tobacco Academic Studies Center, 2009.3.31". There are a plurality of conventional methods for producing the homogenized sheet, that is, a method for crushing tobacco leaves and processing them into a homogenized sheet. The first is a method of producing a papermaking sheet using a papermaking process. The second method is to mix an appropriate solvent such as water with crushed tobacco leaves to homogenize it, then cast the homogenized product thinly on a metal plate or metal plate belt and dry it to prepare a cast sheet. Is. The third method is to prepare a rolled sheet by mixing an appropriate solvent such as water with crushed tobacco leaves and kneading the mixture, and extruding the mixture into a sheet. Details of the types of the homogenized sheet are disclosed in "Tobacco Encyclopedia, Tobacco Academic Studies Center, 2009.3.31".

The water content of the tobacco material (B) can be 10% by weight or more and 15% by weight or less, preferably 11% by weight or more and 13% by weight or less, based on the total amount of the tobacco material. With such a water content, the occurrence of winding stains is suppressed, and the hoisting suitability at the time of producing non-combustion heat-not-burn tobacco is improved.
There are no particular restrictions on the size of the tobacco nicks contained in the tobacco material (B) and the method for preparing the nicks. For example, dried tobacco leaves may be chopped to a width of 0.5 mm or more and 2.0 mm or less.
When a crushed product of a homogenized sheet is used, dried tobacco leaves are crushed so that the average particle size is about 20 μm or more and 200 μm or less, and the homogenized product is processed into a sheet, and the width is 0.5 mm or more. Those chopped to 2.0 mm or less may be used.

The tobacco material (B) may include the materials (a) to (e) in the tobacco material (A) described above. The types and contents of these materials and other modes of use can be designed in the same manner as in the above-mentioned tobacco material (A).

The tobacco material (A) and the tobacco material (B) described above may or may not contain an aerosol-forming base material. The type of aerosol-forming substrate is not particularly limited, and extracts from various natural products and / or their constituents can be selected depending on the application. Examples of the aerosol-forming substrate include glycerin, propylene glycol, triacetin, 1,3-butanediol, and mixtures thereof.
The content when the aerosol-forming substrate is contained can be exemplified by 10% by weight or less with respect to 100% by weight of the tobacco material, 8% by weight or less in another embodiment, and 5% by weight or less in still another embodiment. In still another aspect, it is 3% by weight or less, and in yet another aspect, it is 1% by weight or less, and it can be mentioned that it is not contained (0% by weight).

<Wrapper>
The composition of the rolling paper is not particularly limited, and may be a general rolling paper or a form of rolling paper.
Examples of the roll paper include those containing pulp as a main component. As pulp, in addition to being made from wood pulp such as softwood pulp and broadleaf pulp, non-wood pulp commonly used for wrapping paper for tobacco articles such as flax pulp, cannabis pulp, sisal hemp pulp, and esparto is mixed. It may be obtained by manufacturing.
As the type of pulp, chemical pulp, ground pulp, chemigrand pulp, thermomechanical pulp, etc. by the craft cooking method, the acidic / neutral / alkaline sulfite cooking method, the soda salt cooking method, etc. can be used.
The length and thickness of the pulp fibers are not particularly limited, and usually have a length of 0.1 mm or more and 5 mm or less, and a thickness of 10 μm or more and 60 μm or less.

Using the above pulp, in the paper making process using a long net paper machine, a circular net paper machine, a circular short composite paper machine, etc., the texture is adjusted and made uniform to manufacture rolled paper. If necessary, a wet paper strength enhancer may be added to impart water resistance to the roll paper, or a sizing agent may be added to adjust the printing condition of the roll paper. Furthermore, papermaking additives such as aluminum sulfate bands, various anionic, cationic, nonionic or amphoteric yield improvers, drainage improvers, and paper strength enhancers, as well as dyes and pH adjusters, Papermaking additives such as defoaming agents, pitch control agents, and slime control agents can be added.

The air permeability of the wrapping paper is not particularly limited, but from the viewpoint of facilitating the suppression of the liquid component in the tobacco material from seeping out from the wrapping paper, it is usually 0 cholester unit or more, 50 cholesta unit or less, 0 cholesta unit or more, and 10 It is preferably less than or equal to the costa unit.
The air permeability as used herein refers to the air flow rate perminent (permeated) per ^{minute and 1 cm 2} ^{when air is passed through one side (2 cm 2} ) of paper under a constant pressure of 1 kPa.

The roll-up paper may be a single layer composed of only a paper layer made of the above-mentioned material, or may be laminated with an impermeable layer such as a resin layer made of resin or a metal foil layer made of metal. When laminating, it may be a two-layer composed of a paper layer and an impermeable layer, but three layers in which one impermeable layer is sandwiched between two paper layers and laminated, or three or more layers in which an adhesive layer is provided between these layers or more. Is preferably laminated. The upper limit of the number of layers constituting the roll-up paper is not particularly limited, but is preferably seven layers or less from the viewpoint of ease of processing when winding up.
By providing the opaque layer, it becomes easier to prevent the components in the tobacco material from seeping out from the winding paper, and by providing the paper layer on the front surface layer and the back surface layer, the adhesion when winding the winding paper becomes strong. , Peeling can be suppressed.
When the impermeable layer is a resin layer, the type thereof is not particularly limited, and examples thereof include polyethylene, polypropylene, PET, and polylactic acid.
The method of providing the resin layer is not particularly limited, but the sheet-shaped resin may be adhered to the paper using a binder, the sheet-shaped resin may be adhered to the paper using hot melt, or the paper. The melted resin may be directly applied to the paper. As the binder for adhering the paper and the resin, for example, PVA, PVAc, EVA, CMC, HPMC, HPC and the like can be used.
When finally winding the sheet-shaped roll-up paper, a binder is usually used to bond the paper to the paper or the paper to the resin. For example, vinyl acetate, EVA, or the like can be used as the binder for adhering the paper to the paper.

The basis weight of the roll paper in the non-combustion heat-not-burn tobacco is, for example, usually 110 gsm or more, preferably 120 gsm or more. On the other hand, the basis weight is usually 180 gsm or less, preferably 160 gsm or less.
The thickness of the roll-up paper is preferably 300 μm or less, more preferably 250 μm or less, from the viewpoint of suppressing peeling of the joint portion of the non-combustion heat-not-burn tobacco wind-up paper manufactured by the above-mentioned winder. On the other hand, the thickness of the cigarette paper is 100 μm from the viewpoint of the holding performance of the non-combustion heat-not-burn tobacco by the mouthpiece of the non-combustion heat-not-burn tobacco product and the viewpoint that the stain on the cigarette paper due to the fragrance contained in the tobacco material is not visually recognized. It is preferably 120 μm or more, and more preferably 120 μm or more.

When the paper roll has a structure in which the front surface paper layer, the intermediate layer of the air impermeable layer, and the back surface paper layer are laminated in this order, for example, the following conditions are required to keep the characteristics of the entire wound paper within the numerical range of the above characteristics. Can be.
The intermediate layer may be composed of two or more layers as long as it includes an air-impermeable layer made of a resin layer, a metal layer, or the like.

The basis weight of the paper to be the surface paper layer of the roll-up paper is preferably 30 gsm or more and 100 gsm or less, and more preferably 40 gsm or more and 80 gsm or less.
The thickness of the paper to be the surface paper layer of the roll-up paper is preferably 30 μm or more and 100 μm or less, and preferably 30 μm or more and 80 μm or less.

The basis weight of the paper to be the back surface paper layer of the roll-up paper is preferably 20 gsm or more and 100 gsm or less, and more preferably 30 gsm or more and 60 gsm or less.
The thickness of the paper to be the back surface paper layer of the roll-up paper is preferably 30 μm or more and 100 μm or less, and more preferably 40 μm or more and 70 μm or less.

The intermediate layer including the air permeable layer preferably has a basis weight of 15 gsm or more and 100 gsm or less, and more preferably 20 gsm or more and 60 gsm or less.
The thickness of the intermediate layer including the air impermeable layer is preferably 10 μm or more and 100 μm or less, and more preferably 20 μm or more and 50 μm or less.

The shape of the non-combustion heat-not-burn tobacco winder can be square or rectangular.
When used as a roll paper for wrapping a filter unit and a tobacco material, the size of the roll paper can be arbitrarily changed depending on the application. When the tobacco material is wound in a columnar shape with a roll-up paper, for example, the end portion of the roll-up paper in the w direction in FIG. 1 and the end portion on the opposite side are overlapped and glued by about 2 mm to obtain the shape of the columnar paper tube. Become. The size of the rectangular roll-up paper can be determined by the size of the finished non-combustion heat-not-burn tobacco.

In addition to the above pulp, the roll paper according to the present embodiment may contain a filler. The content of the filler may be 10% by weight or more and less than 60% by weight, preferably 15% by weight or more and 45% by weight or less, based on the total weight of the roll paper according to the embodiment of the present invention.
As the filler, calcium carbonate, titanium dioxide, kaolin and the like can be used, but it is preferable to use calcium carbonate from the viewpoint of enhancing the flavor and whiteness. By including the filler, the opacity of the paper is increased, the whiteness of the paper is increased, and the smoothness of the paper is increased.

Further, the winding paper may be appropriately coated.
A coating agent may be added to at least one of the two surfaces, the front surface and the back surface, of the roll paper. The coating agent is not particularly limited, but a coating agent capable of forming a film on the surface of the paper and reducing the permeability of the liquid is preferable. For example, alginic acid and salts thereof (eg sodium salts), polysaccharides such as pectin, ethyl cellulose, methyl cellulose, carboxymethyl cellulose, cellulose derivatives such as nitrocellulose, starch and derivatives thereof (eg carboxymethyl starch, hydroxyalkyl starch and cationic starch). Such ether derivatives, ester derivatives such as starch acetate, starch phosphate and starch octenyl succinate) can be mentioned.

<Filter part>
The non-combustion heating type cigarette of the present embodiment has a first filter part and a second filter part, but there is no distinction between them, and which filter part is the suction side or the heater side. Can be arbitrarily determined by the user according to the form of the electrically heated tobacco product used at the time of use. The following description of the filter unit applies to either the first filter unit or the second filter unit unless otherwise specified. Further, the configuration of the first filter unit and the configuration of the second filter unit may be different or the same within a usable range.
The filter unit is a portion including a filter described later, and is not particularly limited as long as it has a function as a general filter. For example, the filter unit may be composed of a single segment consisting of only a filter, and may be a filter. It may be composed of a plurality of segments, which are a combination of the above and other members.
Further, as the filter unit, a filter unit including an additive discharge container described later may be used.

The sizes of the first filter section and the second filter section are not particularly limited and can be appropriately set according to the form of the non-combustion heating type tobacco used at the time of use and the form of the electrically heated tobacco product used at the time of use. For example, the following aspects can be taken. In the filter section, the length in the long axis direction of non-combustion heat-not-burn tobacco is defined as "height".
The height per filter portion is usually 3 mm or more and preferably 4 mm or more, and usually 15 mm or less and preferably 10 mm or less from the viewpoint of ensuring good ventilation resistance.
When the non-combustion heat-not-burn tobacco is a columnar body, the filter portion is also a columnar body, but the diameter (width) is theoretically smaller than the width w of the bottom surface of the non-combustion heat-not-burn tobacco columnar body. The value obtained by adding the width of the filter portion of the columnar body to the value twice the thickness of the roll paper described above is the width w of the bottom surface of the columnar body of the non-combustion heating type tobacco.

Examples of the filter material include those obtained by processing cellulose acetate tow into a columnar shape. The single yarn fineness and total fineness of cellulose acetate tow are not particularly limited, but in the case of non-combustion heat-not-burn tobacco having a circumference of 24.5 mm, the single yarn fineness is 5 g / 9000 m or more, 20 g / 9000 m or less, and the total fineness is 12000 g /. It is preferably 9000 m or more and 35000 g / 9000 m or less. The cross-sectional shape of the fibers of the cellulose acetate tow may be a Y cross section or an R cross section. In the case of a filter filled with cellulose acetate tow, triacetin may be added in an amount of 5% by weight or more and 10% by weight or less based on the weight of the cellulose acetate tow in order to improve the hardness of the filter.
Further, as a method for processing the cellulose acetate tow into a columnar shape, a method of winding the cellulose acetate tow with a paper roll for a filter can also be used. The physical characteristics of the filter paper are not particularly limited, but for example, the air permeability is 1000 C.I. U.S. The above high breathability paper and 100 C.I. U.S. Examples thereof include an embodiment in which a paper having a low air permeability of less than is used. Further, as the filter paper, the wind paper used in a normal cigarette filter can be used. For example, a paper having a basis weight of 30 to 100 g / m ² and a thickness of 30 to 100 μm can be used. Such high-breathability paper is not particularly limited, but is LPWS-OLL (breathability 1300 CU, basis weight 26.5 gsm, thickness 48 μm) manufactured by Nippon Paper Papylia Co., Ltd., P-10000C (breathability 10000 C.I. U., basis weight 24.0 gsm, thickness 60 μm) or plain paper (air permeability 0 CU, basis weight 24 gsm, thickness 32 μm) can be exemplified.
Further, in addition to the above-mentioned filter made of tow such as acetate tow, a filter filled with a sheet of paper or non-woven fabric containing pulp as a main component may be used.
In the production of the filter material, the adjustment of the ventilation resistance and the addition of additives (known adsorbents, fragrances, fragrance holders, etc.) can be appropriately designed.

As described above, the first filter unit and the second filter unit may each be composed of a single segment or may be composed of a plurality of segments. Even when the first filter portion and / or the second filter portion is composed of a plurality of segments, the roll paper wraps them to form a non-combustion heat-not-burn tobacco.
When the first filter part and / or the second filter part is composed of a single segment, for example, the filter part is composed only of a filter filled with cellulose acetate tow, or paper containing pulp as a main component. An embodiment in which only a filter filled with a non-woven fabric sheet can be mentioned can be mentioned. In addition, an embodiment in which an additive discharge container described later is included in these filters can also be mentioned.
As one aspect of the case where the first filter unit and / or the second filter unit is composed of a plurality of segments, an embodiment in which the plurality of segments are composed of a plurality of the same or different filters can be mentioned. In this case, the filter may be filled with the acetate tow described above, may be filled with a paper or non-woven fabric sheet containing pulp as a main component, or may include an additive release container described later. ..
Further, as another embodiment in which the first and second filter portions are composed of a plurality of segments, an embodiment in which the filter and other members are composed can be mentioned. The "other members" are not particularly limited, and examples thereof include a paper tube obtained by processing thick paper into a cylindrical shape. When you want to set the length of non-combustion heat-not-burn tobacco longer, if you increase the length of the tobacco filling section, you have to arrange the tobacco material more than necessary, and if you increase the filter length, the ventilation resistance of the filter part increases and suction Affects ease. In this case, if a paper tube is used, the length of the non-combustion heat-not-burn tobacco can be adjusted without being affected by the above.

Either the first filter section or the second filter section may include a crushable additive release container (for example, a capsule) containing a crushable outer shell such as gelatin. In this case, the filter portion including the additive discharge container is on the mouthpiece side. When the capsule is destroyed by a non-combustion heat-not-burn tobacco user before, during, or after use, it releases the liquid or substance (usually a flavoring material) contained within the capsule and then the liquid. Alternatively, the substance is transmitted to the cigarette smoke during the use of non-combustion heat-not-burn tobacco and to the surrounding environment after use.

The form of the additive release container is not particularly limited, and may be, for example, a capsule such as a easily destructible capsule, and the shape is preferably a sphere. The additive contained in the additive release container may contain any of the above-mentioned additives, but it is particularly preferable to include a flavoring material and activated carbon. Also, as an additive, one or more materials that help filter smoke may be added. The form of the additive is not particularly limited, but is usually liquid or solid. The use of capsules containing additives is well known in the art. Destructible capsules and methods for producing them are well known in the art.

The flavoring material may be, for example, menthol, spearmint, peppermint, fenugreek, cloves or the like. As the flavor material, these can be used alone, or a combination thereof can be used.

<Additional segment>
As shown in FIGS. 2A and 2B, the above-mentioned non-combustion heat-not-burn tobacco 1 is formed of an additional segment bonding paper 26 together with an additional segment 25 provided adjacent to the first filter unit 21 and / or the second filter unit 22. It may be wrapped. By providing the additional segment 25, further functions can be added to the non-combustion heat-not-burn tobacco.

The mode of the additional segment is not particularly limited, and may be, for example, a filter or a paper tube. By providing a filter as an additional segment, the ventilation resistance can be increased. In addition, by providing a paper tube as an additional segment in the filter section on the mouthpiece side, the distance between the electrically heated tobacco product into which the non-combustion heating type tobacco is inserted and the user's mouth should be secured to some extent. From the viewpoint that it is preferable, it is possible to improve the ease of handling at the time of use such as the ease of holding.
Further, when a filter is provided as an additional segment in the filter portion on the mouthpiece side, an additive discharge container may be provided inside the filter.
As for the mode of the filter, the paper tube, and the additive discharge container, the mode described in the above-mentioned filter unit can be similarly applied, and the effect thereof is as described in the above-mentioned filter part.

The additional segment bonding paper is not particularly limited as long as it can bond the non-combustion heating type tobacco and the additional segment, but for example, chip paper can be used.
The mode of the chip paper is not particularly limited, and a known chip paper can be used.
The mode of the chip paper at the time of winding is not particularly limited, and for example, as shown in FIG. 2A, even in the mode of winding so as to cover a part of the non-combustion heat-not-burn tobacco and the entire surface of the additional segment, FIG. As shown in 2B, it may be wound so as to cover a part of the non-combustion heat-not-burn tobacco and a part of the additional segment.

<Mouthpiece>
For non-combustion heat-not-burn tobacco, the mouthpiece may be engaged. It is possible to use non-combustion heat-not-burn tobacco without using a mouthpiece, but in this case, the non-combustion heat-not-burn tobacco comes into direct contact with the user's mouth, and the tobacco, especially the mouthpiece end. The filter on the side becomes easy to get wet. This causes a problem that the ventilation resistance is increased and a problem that the tactile sensation is deteriorated. In order to improve these problems, it is preferable to use a mouthpiece.
In addition, in terms of ease of handling such as ease of holding, it is necessary to secure a certain length between the electrically heated tobacco product into which the non-combustion heated tobacco is inserted and the user's mouth. Therefore, it is preferable to use the mouthpiece from this point as well.
The mouthpiece may be directly engaged with the non-combustion heat-not-burn tobacco, but may be indirectly engaged with the above-mentioned additional segment.
The material of the mouthpiece is not particularly limited and may be any of a polymer material such as resin and rubber, a metal material, and an inorganic material, but from the viewpoint of ease of production and light weight, resin is preferable.

The shape of the mouthpiece is not particularly limited as long as the flow path s2 through which the tobacco vapor sucked by the user can be secured can be secured, and may be a cylindrical shape or a polygonal tubular shape, but the ease of sucking is improved. From the viewpoint of making the lips thinner, it is preferable that the mouthpiece side becomes thinner, but as shown in FIG. 4, it does not become thinner uniformly, but is orthogonal to the long axis direction of the mouthpiece end side so as to match the shape of the user's lips. It is preferable that the cross section is thinned so as to have a flat shape. As a result, when the user holds the mouthpiece, the vertical opening of the lips is reduced, so that air is prevented from flowing into the oral cavity through the gap between the left and right ends of the lips and the mouthpiece. be able to.
The shape of the cross section of the hole perpendicular to the long axis of the engaging part of the non-combustion heating type cigarette is not particularly limited, but it is easy to come off because the non-combustion heating type cigarette that is engaged with a circle is easy to rotate. Therefore, it is preferable that the shape is such that the engaged portion of the non-combustion heat-not-burn tobacco has a protrusion that applies pressure (hooks) so as to bend. Further, in order to make the force applied to the non-combustion heat-not-burn tobacco by the mouthpiece uniform, it is preferable that the shape of the hole of the engaging portion and the arrangement of the protrusions are symmetrical.

Further, it is preferable to provide a convex portion (finger rest portion 311) that exists in the narrowed portion of the mouthpiece of FIG. 6 because the mouthpiece can be easily removed.
The length of the mouthpiece in the long axis direction is not particularly limited, but may be 20 mm or more and 50 mm or less, and may be 25 mm or more and 30 mm or less from the viewpoint of ensuring ease of sucking.
In non-combustion heat-not-burn tobacco, the length of the portion in which the mouthpiece is engaged in the long axis direction is not particularly limited, but is usually 10% or more with respect to the length h of non-combustion heat-not-burn tobacco, which is 30. % Or less, preferably about 20%.
Since non-combustion heat-not-burn tobacco cannot be used repeatedly, the mouthpiece is one that can be engaged at the beginning of use of non-combustion heat-not-burn tobacco and can be removed at the end of use, that is, the non-combustion heat-not-burn tobacco can be attached and detached. It is preferable that it is possible.

<Electric heating type tobacco products>
The non-combustion heat-not-burn tobacco according to the embodiment of the present invention can be used as a cartridge housed in an electrically heat-not-burn tobacco product as described below. The electrically heated tobacco product according to the embodiment of the present invention will be described.
In the following, the non-combustion heat-not-burn tobacco according to the embodiment of the present invention will be referred to as a "cartridge".
One embodiment of the electroheated tobacco product of the present invention comprises a housing and a mouthpiece. The housing extends in the axial direction, and an opening is formed at a first end portion in the axial direction. The housing communicates with the opening to form a storage space inside. A non-combustion heat-not-burn tobacco (cartridge) containing a flavor component is housed in the storage space of the housing. The mouthpiece has an engaging portion and a holding portion. The engaging portion is engaged with the opening.
The holding portion is configured to hold the non-combustion heat-not-burn tobacco.
According to the present embodiment, when the non-combustion heat-not-burn tobacco is replaced, when the mouthpiece is removed from the housing, the engagement portion of the mouthpiece and the opening of the housing are disengaged, and the holding portion of the mouthpiece is released. The non-combustion heat-not-burn tobacco held in the mouthpiece is removed from the housing together with the mouthpiece. Therefore, since it is not necessary to remove the cartridge separately from the mouthpiece, the cartridge can be easily replaced.
Further, in the electrically heated tobacco product according to the present embodiment, the mouthpiece is configured to extend to both sides in the axial direction with the opening engaged in a state of being engaged with the opening. According to this aspect, when the mouthpiece is removed from the housing, it is sufficient to grasp the portion of the mouthpiece that protrudes outward from the opening of the housing, so that the mouthpiece can be easily removed.

FIG. 3 is a perspective view of an electrically heated tobacco product (flavor aspirator, hereinafter also simply referred to as an aspirator) according to an embodiment of the present invention.
As shown in FIG. 3, the aspirator 1, which is an example of the electrically heated tobacco product according to the first embodiment, tastes the flavor of the tobacco leaf by sucking the steam generated by heating the tobacco leaf. be.

FIG. 4 is a perspective view showing a state in which the cap 40 is removed from the suction device 1.
As shown in FIG. 4, the aspirator 1 includes a main body unit 10, a cartridge 20, a mouthpiece 30, and a cap 40 (see FIG. 3). The cartridge 20 of each embodiment and modification is typically made of a roll paper and two filter materials, as described above, and is elastic or flexible.

The outer shape of the aspirator 1 is formed in a substantially square columnar shape with the axis O as the central axis. The main body unit 10, the cartridge 20, the mouthpiece 30, and the cap 40 are arranged side by side on the axis O. In the following description, in the axis O direction (direction along the axis O, axial direction), the side from the main body unit 10 toward the mouthpiece 30 is referred to as the mouthpiece side, and the direction from the mouthpiece 30 toward the main body unit 10 is the anti-mouthpiece side. It is called. Further, the direction that intersects the axis O in a plan view seen from the axis O direction is referred to as a radial direction. Of the radial directions, the direction close to the axis O is referred to as the inside, and the direction away from the axis O is referred to as the outside. The direction that orbits around the axis O is referred to as the circumferential direction. In the present specification, "direction" means two directions, and when indicating one direction of "direction", it is described as "side".

FIG. 5 is a cross-sectional view taken along the line III-III of FIG.
As shown in FIG. 5, the main body unit 10 includes a housing 11, a power supply unit 15, and a heater 16. The housing 11 includes a housing main body 110, a mouthpiece support member 120, and a cartridge accommodating member 130.

The housing body 110 has an outer housing 111 and a bottom cap 116.
The outer housing 111 is formed in a substantially square cylinder shape with the axis O as the central axis. The outer housing 111 constitutes the outer surface of the aspirator 1. The shape of the outer housing 111 can be appropriately set as long as it extends in the axis O direction.

A mouthpiece side opening 111a penetrating in the axis O direction is formed at the mouthpiece side end of the outer housing 111. An anti-suction port side opening 111b penetrating in the axis O direction is formed at the end portion of the outer housing 111 on the anti-suction port side. A switch opening 111c that penetrates in the radial direction is formed in a part of the outer housing 111 in the circumferential direction. A switch 112 is provided in the switch opening 111c.
Here, in the present embodiment, the direction connecting the axis O and the switch opening 111c is defined as the front and back directions in the radial direction. In this case, the switch opening 111c side with respect to the axis O is the front surface side, and the side opposite to the switch opening 111c with respect to the axis O is the back surface side.

The bottom cap 116 is provided in the anti-sucking side opening 111b of the outer housing 111. The bottom cap 116 is formed in a substantially rectangular shape in a plan view when viewed from the axis O direction. The bottom cap 116 closes the anti-sucking side opening 111b of the outer housing 111. The shape of the bottom cap 116 can be appropriately set as long as the anti-suction side opening 111b of the outer housing 111 is closed.

An inner cylinder member 117 is provided inside the housing body 110. The inner cylinder member 117 extends in the axis O direction and is formed in a substantially square cylinder shape. The inner cylinder member 117 is configured by connecting a pair of half-split members divided along the axis O direction. The total length of the inner cylinder member 117 (the length along the axis O direction) is shorter than the total length of the outer housing 111. The shape of the inner cylinder member 117 can be set as appropriate.

Inside the inner cylinder member 117, a partition wall 118 is provided so as to separate the space in which the battery 151 is housed from the space in which the heater 16 is housed.
The partition wall 118 has a mouthpiece side partition wall portion 118a and a side partition wall portion 118b. As a result, the air heated by the heater 16 is suppressed from flowing into the space accommodating the battery 151. Therefore, the temperature rise of the battery 151 is suppressed.

The mouthpiece side partition wall 118a is arranged on the mouthpiece side of the battery 151. The side partition wall portion 118b is arranged so as to cover the outside of the battery 151 in the circumferential direction.
The mouthpiece support member 120 is provided in the mouthpiece side opening 111a of the outer housing 111.

FIG. 6 is a cross-sectional view of the mouthpiece 30 and the cartridge 20 portion along the width direction.
As shown in FIG. 6, in the engaging peripheral wall portion 33, the portion 331 on the anti-suction side is thinner than the portion 332 on the suction port side. As a result, a step portion 333 is formed at the boundary between the portion 331 on the anti-suction side and the portion 332 on the suction port side. The step portion 333 is formed in a substantially annular shape in a plan view seen from the O direction. As shown in FIG. 6, the end portion 20a on the suction port side of the cartridge 20 is in contact with the step portion 333 of the engaging peripheral wall portion 33 of the mouthpiece 30. In the connecting portion between the mouthpiece portion 31 and the base portion 32, the opening width becomes wider from the mouthpiece side toward the anti-mouthpiece side. A space portion s3 is formed between the end portion 20a on the mouthpiece side of the cartridge 20 and the surface on the anti-suction side of the mouthpiece portion 31 of the mouthpiece 30. As a result, the closed region of the end portion 20a on the suction port side of the cartridge 20 is reduced, and the ventilation resistance is suppressed.

Further, as shown in FIG. 6, the end portion 20a on the suction port side of the cartridge 20 is in contact with the step portion 333 of the engaging peripheral wall portion 33 of the mouthpiece 30. In the connecting portion between the mouthpiece portion 31 and the base portion 32, the opening width becomes wider from the mouthpiece side toward the anti-mouthpiece side. A space portion s3 is formed between the end portion 20a on the mouthpiece side of the cartridge 20 and the surface on the anti-suction side of the mouthpiece portion 31 of the mouthpiece 30. As a result, the closed region of the end portion 20a on the suction port side of the cartridge 20 is reduced, and the ventilation resistance is suppressed.
The cartridge 20 has a filter material 21 of the first filter portion, a filter material 22 of the second filter portion, a space portion 23, and a winding paper 24.
A finger hook portion 311 is provided on the outer peripheral surface of the mouthpiece portion 31. The finger hook portion 311 protrudes outward in the radial direction from the outer peripheral surface of the mouthpiece portion 31. The finger hook portion 311 is provided over the entire circumference of the outer peripheral surface of the mouthpiece portion 31 in the circumferential direction.
The mouthpiece 30 is formed with a flow path s2 penetrating in the axis O direction. The steam generated from the cartridge 20 can flow through the flow path s2.

The heater member 16 of the electric heating device 10 may be, for example, a sheet heater, a flat plate heater, or a tubular heater. The sheet-shaped heater is a flexible sheet-shaped heater, and examples thereof include a heater containing a film of a heat-resistant polymer such as polyimide (thickness of about 20 μm or more and about 225 μm or less). The flat plate heater is a rigid flat plate heater (thickness 200 μm or more, 500 μm or less), and examples thereof include a heater having a resistance circuit on a flat plate base material and having the portion as a heat generating portion. A tubular heater is a hollow or solid cylindrical heater, for example, a heater having a resistance circuit on the outer peripheral surface of a cylinder made of metal or the like and having the heat generating portion (thickness 200 μm or more, 500 μm or less). Can be mentioned. Further, a columnar heater made of metal or the like having a resistance circuit inside and having the portion as a heat generating portion, and a conical heater can also be mentioned. The cross-sectional shape of the tubular heater may be a circle, an ellipse, a polygon, a polygon with rounded corners, or the like.
The length of the heater member in the major axis direction can be within the range of L ± 5.0 mm, where the length in the major axis direction of the non-combustion heating type cigarette is L mm.

The heating intensity such as the heating time and the heating temperature of the non-combustion heating type tobacco 20 by the heater member 16 can be set in advance for each electric heating type tobacco product 1. For example, by inserting the non-combustion heating type tobacco 20 into the electric heating type device 10 and then performing preheating for a certain period of time, the temperature of at least a part of the tobacco material in the non-combustion heating type tobacco 20 becomes X (° C.). It can be set in advance so that the temperature is maintained at a constant temperature of X (° C.) or lower.
The X (° C.) is preferably 80 ° C. or higher and 200 ° C. or lower from the viewpoint of delivery of volatile components of tobacco. Specifically, the above X (° C.) is 80 ° C., 90 ° C., 100 ° C., 110 ° C., 120 ° C., 130 ° C., 140 ° C., 150 ° C., 160 ° C., 170 ° C., 180 ° C., 190 ° C., 200 ° C. Can be.
In the electrically heated tobacco product 1, the steam containing the flavor component and the like generated from the tobacco material arranged in the space reaches the user's oral cavity through the filter on the mouthpiece end side by heating the heater member 16.

The relationship between the mouthpiece and the electric heating device during use is not particularly limited, but the contact may be made on the outside of the electric heating device, and the electric heating device is provided with a fitting portion for the mouthpiece. The mouthpiece may be aligned with the mouthpiece, but it is preferable to align the mouthpiece with the mouthpiece from the viewpoint of preventing the mouthpiece from falling during use.
Further, as described above, in the embodiment in which the engagement with the non-combustion heating type tobacco and the mouthpiece is strengthened by providing a protrusion on the mouthpiece or the like, when the non-combustion heating type tobacco is removed from the electric heating type device, the non-combustion heating type tobacco is strengthened. It is preferable because the non-combustion heating type tobacco and the mouthpiece can be taken out from the electric heating type device at one time. Specifically, the static friction force acting between the mouthpiece and the non-combustion heat-not-burn tobacco may be greater than the static friction force acting between the inner wall of the electroheating device and the non-combustion heat-not-burn tobacco. preferable.

The electrically heated tobacco product may have a configuration other than the above configuration, and examples of the other configuration include a temperature sensor and a gas component concentration sensor (chemical sensor).

<Preparation of non-combustion heating type tobacco>
[Raw materials for tobacco materials]
-Crushed tobacco material 1; yellow seed, average particle size 70 μm (measured with a particle size distribution measuring device (master sizer manufactured by Spectris))
-Crushed tobacco material 2; Burley type, average particle size 70 μm (measured with particle size distribution measuring device (master sizer manufactured by Spectris))
・ Water / flavor expression aid; potassium carbonate / binder; hydroxypropyl cellulose (HPC)
-Primary flavor material; l-menthol-Secondary flavor material; ethanol-aerosol-forming base material; glycerin [rolling paper]
Of the two layers on the outermost surface side of the roll paper, OPN # 85 (manufactured by Nippon Paper Papylia Co., Ltd., thickness: 97 μm), which is paper, is used as the layer (surface layer of the roll paper) on the outer peripheral surface side of non-combustion heat-not-burn tobacco. S52-7000 (manufactured by Nippon Paper Papylia Co., Ltd., thickness: 110 μm), which is a paper, was prepared as a layer (the back layer of the roll-up paper) on the opposite side. Further, as an intermediate layer (air permeable layer) of the wound paper, a laminated layer (manufactured by Nippon Paper Papylia Co., Ltd., thickness: 20 μm), which is a film made of polyethylene resin, was prepared. These were cut so as to form a rectangle having a side length of 20 mm in the long axis direction of the non-combustion heat-not-burn tobacco and a side length of 27.0 mm orthogonal to the side length.
The three layers cut and processed were laminated and pressed (laminated) while applying heat to obtain a roll paper 1 (basis weight: 124.7 gsm, thickness 157 μm). The paper layer is compressed during the laminating process, and a part of the paper layer is embedded in the thermoplastic resin layer (here, the laminating layer), so that the rolled paper obtained has the thickness of each layer before laminating. It will be thinner than the total thickness.
[filter]
A columnar filter material was produced using a cellulose acetate tow having a single yarn fineness of 12 g / 9000 m and a total yarn fineness of 28000 g / 9000 m as a raw material using a filter manufacturing apparatus (FRA3SE) manufactured by Sanjo Machinery Works. Next, the filter material is wound with a paper roll for filter (manufactured by Nippon Paper Papylia, name: LPWS-OLL, air permeability 1300 CU, basis weight 26.5 gsm, thickness 48 μm), circumference 24.5 mm, height. A filter material with a paper roll for an 80 mm filter was produced. This was then cut to have a height 4 mm, airflow resistance in the height direction to produce a cylindrical filter is 3.7mmH 2 _O.

[Example 1]
Crushed tobacco material 1, tobacco material 2, pH adjuster, and binder are prepared as raw materials, and after mixing these, water is added and kneaded, and the obtained kneaded product is wet-extruded and granulated. Manufactured by Dalton; the mesh size was φ0.9 mm, and the temperature of the kneaded product at the extrusion outlet was 50 to 60 ° C.).
The content of each component in the above raw materials is tobacco material 1 50.00% by weight, tobacco material 2 12.50% by weight, water 25.00% by weight, flavor expression aid 7.50% by weight, binder 5.00. Weight%. Then, the kneaded product was dried in a drier until it became 12.50% by weight of water, and then classified by a crushing classifier (manufactured by Freund Turbo Co., Ltd .; mesh size upper φ710 mm, lower φ250 mm). The average particle size of the obtained granules was 530 μm.
Then, the flavor material was added with a pipette so that the content in the tobacco granules was 9.09% by weight, and the mixture was uniformly dispersed by rotating and stirring in a vial for 24 hours or more in an environment of 22 ° C. The pH of the obtained tobacco granules was 9.5 (measurement temperature 22 ° C.).
The contents of each component in the obtained tobacco granules were: Tobacco material 1 53.03% by weight, Tobacco material 2 13.26% by weight, Water 11.36% by weight, pH adjuster 7.95% by weight, Binder 5 It was .30% by weight and 9.09% by weight of the flavor material.

The above tobacco granules were placed between two filters, and these were wound with a roll paper to obtain a columnar non-combustion heat-not-burn tobacco (cartridge). Vinyl acetate was used as a binder for adhering the first and third layers of the roll-up paper into a cylindrical shape. In non-combustion heat-not-burn tobacco, the diameter of the bottom surface is 7.8 mm and the height in the major axis direction is 20 mm. By changing the volume ratio (filling rate) of the tobacco material in the space, the filling amount of the tobacco material is changed. The adjustment was made as shown in Table 1. The bulk specific densities of tobacco materials are as shown in Table 1. The ventilation resistance of the non-combustion heat-not-burn tobacco in the long axis direction was as shown in Table 1. The measurement was performed by arranging one filter so that it was on the bottom surface. At that time, the tobacco material was moved so as to disperse the tobacco material substantially uniformly on the inner surface of the filter which is the bottom surface.

As shown in Table 1, each non-combustion heat-not-burn tobacco (cartridge) was prepared by changing the type and filling amount of the tobacco material. The average particle size of the Lot2 tobacco granules was 630 μm, and the average particle size of the Lot3 tobacco granules was 250 μm.

<Sensory test>
In the smoking test, the above cartridge is inserted into the flavor suction system (electrically heated tobacco product) shown in FIG. Puffing is performed, and the first evaluation puff (55 to 110 ml / 2 sec, which is the flow rate when used by a general user) is performed 3 minutes and 30 seconds after the start of heating (at the start of evaluation), and thereafter. A puff (times / 30 seconds) was also subjected to sensory evaluation at the same flow rate.

<About sensory evaluation>
In Table 1, the "sucking response" of the sensory evaluation was evaluated on the basis of 5 points: very preferable, 4 points: preferable, 3 points: acceptable, 2 points: not preferable, and 1 point: very unfavorable. ..
In Table 1, regarding the "sustainability" of sensory evaluation, 5 points: full 18puff (lasted up to 18puff), 4 points: full 15Puff, 3 points: full 12Puff, 2 points: full 9Puff, 1 point: full 8Puff or less, It was evaluated on the basis of.

<Measurement of the amount of components in smoke>
When the above cartridge is inserted into the flavor suction system (electrically heated tobacco product) shown in FIG. 3, the tobacco rod mouthpiece end is inserted into a 5-hook rotary type automatic smoker manufactured by Borgwaldt, and then the heater switch is turned on. Smoke absorption was started 30 seconds after the start of heating. Measurements were taken under the conditions of Health Canada smoking method (smoke absorption amount 55 cc / 2 sec, smoke absorption time 2 sec, smoke absorption interval 30 seconds, smoking frequency 13 times). The mainstream smoke component is collected by a glass fiber filter (Cambridge filter for collection (borgwaldt, 400 Filter 44 mm)) installed in advance, and this is extracted by shaking with 10 mL of isopropanol for 20 minutes, and a gas chromatograph (GC-FID / TCD (6890N)) is used. , Agilent)), the amounts of water, nicotine, and menthol were measured.

The results in Table 1, the value of the airflow resistance of the non-combustion heating type tobacco (downdraft resistance) when below 13mmH 2 _O was not obtained only undesirable results in sensory evaluation. Further, even if the downward ventilation resistance was within a predetermined range, a satisfactory sensory evaluation could not be obtained when the bulk specific density of the tobacco material was less than 55 g / 100 cc. Further, when the filling rate of the tobacco material in the space portion exceeds 70%, the "sucking response" tends to be slightly inferior.

1 Non-combustion heating type cigarette (aspirator)
10 Electric heating device (main unit)
11 Housing 15 Power supply unit 16 Heater member 20 Cartridge 21 First filter part 22 Second filter part 23 Space part 24 Winding paper 25 Addition segment 26 Addition segment Bonding paper T Tobacco material 30 Mouthpiece (drawer jig)
31 Mouthpiece 32 Base 33 Engagement peripheral wall 40 Cap 110 Housing body 111 Outer housing 111a Mouthpiece side opening 117 Inner cylinder member 120 Mouthpiece support member 125 Mouthpiece opening (opening)
130 Cartridge accommodating member 140 Cartridge support member 151 Battery 152 Control unit 311 Finger hook s2 Flow path

Claims

Cylindrical non-combustion having a first filter portion, a second filter portion, and a winding paper for winding these filter portions so as to form a space portion between the first filter portion and the second filter portion. It ’s a heated cigarette,
Particulate tobacco material is movably arranged in the space.
When the non-combustion heat-not-burn tobacco is placed so that one of the first filter portion and the second filter portion is on the bottom surface, the ventilation resistance from the first filter portion to the second filter portion is 13 to 32 mmH. 2 O,
A non-combustion heat-not-burn tobacco having a bulk specific gravity of 55 g / 100 cc or more of the particulate tobacco material.
The non-combustion heat-not-burn tobacco according to claim 1, wherein the total aeration resistance of the first filter portion and the second filter portion is less than 8 mm / H 2 O.
The non-combustion heating type tobacco according to claim 1 or 2, wherein the ratio of the volume of the particulate tobacco material to the total volume of the space portion is 30% by volume or more and 70% by volume or less of the volume of the space portion.
The non-combustion heating type cigarette according to any one of claims 1 to 3, wherein the non-combustion heating type cigarette has a cylindrical shape, and the diameter of the circle of the cylinder is 7.0 mm or more and 8.0 mm or less.
Claims 1 to 4 in which the non-combustion heat-not-burn tobacco has a cylindrical shape and the length from the first end portion to the second end portion in the space portion is 10.0 mm or more and 20.0 mm or less. The non-combustion heat-not-burn tobacco according to any one of the above.
The non-combustion heat-not-burn tobacco according to any one of claims 1 to 5, wherein the average particle size of the particulate tobacco material is 400 μm or more and 700 μm or less.
The non-combustion heat-not-burn tobacco according to any one of claims 1 to 6, wherein the particle size measured by the sieve of the particulate tobacco material is> 250 μm and <840 μm.
The non-combustion heat-not-burn tobacco according to any one of claims 1 to 7, wherein the pH of the particulate tobacco material is 7 or more.
The non-combustion heat-not-burn tobacco according to any one of claims 1 to 8, wherein the particulate tobacco material is tobacco granules.
Claim 1 is an electrically heating type device including a heater member, a battery unit that serves as a power source for the heater member, and a control unit for controlling the heater member, and is inserted so as to come into contact with the heater member. An electrically heated tobacco product comprising the non-combustion heated tobacco according to any one of 9 to 9.
The electroheated device comprises a housing and a mouthpiece.
The housing extends in the axial direction and an opening is formed at a first end portion in the axial direction, and the housing communicates with the opening to form an internal accommodation space in the accommodation space of the housing. The electrically heated tobacco product according to claim 10, wherein the non-combustion heated tobacco is housed, and the mouthpiece has an engaging portion and a holding portion.