TWI757519B - Wrapping paper for non-burning heating type smoking article, non-burning heating type smoking article and electrically heating type smoking system - Google Patents

Abstract

An object of the present invention is to provide a wrapping paper for non-burning heating type smoking article in which generation of stain is suppressed. The above problem is solved by a wrapping paper for non-burning heating type smoking article of the present invention which has a basis weight of 35 g/m² or more, a pulp drainage degree of 69 ° SR or more, an air permeability of 20 CU or less, and an opacity of 85%.

Description

Rolling paper for non-combustion heated smoking articles, non-combustion heated smoking articles and electrically heated smoking systems

The present invention relates to a wrapping paper for a non-combustion heating type smoking article, a non-combustion heating type smoking article and an electric heating type smoking system.

Smoking using a general cigarette is performed by igniting the end of a tobacco rod composed of shredded tobacco, smoking at the mouth end of the cigarette, and mainly by inhaling air at the igniting end. However, cigarettes burn at temperatures exceeding 800°C during smoking. Various problems arise with such high temperature combustion. Therefore, a non-combustion heating type smoking article utilizing electric heating has been developed as a substitute for general cigarettes (Patent Documents 1 and 2).

Generally speaking, the heating temperature of non-combustion heating smoking articles is lower than that of general cigarettes. Therefore, in order to impart sufficient and good flavor and taste, non-combustion heating-type smoking articles tend to use more shredded tobacco than general cigarettes, resulting in a higher filling density. Therefore, in general, when it is a non-combustion heating type smoking article, the wrapping paper for wrapping the tobacco rod is required to be stronger than the wrapping paper used for general cigarettes.

Furthermore, in the non-combustion heating type smoking article, since the heating temperature is lower than the combustion temperature of general cigarettes, the amount of smoke produced is less, so the amount of flavoring added to shredded tobacco must be more than that of general cigarettes.

As described above, compared with general cigarettes, in non-combustion heating smoking articles with high filling density of shredded tobacco and a large amount of added flavor, the problem of flavor floating on the surface of the wrapping paper (staining) is more prominent.

Generally speaking, it is presumed that the cause of the smearing of the wrapping paper is that the substance contained in the smoking article seeps out of the wrapping paper at the contact point between the wrapping paper for the smoking article and the shredded tobacco during the storage of the smoking article.

In Patent Document 3, between the filler constituting the cigarette and the outer wrapping paper, an inner wrapping paper having a specific air permeability is arranged, thereby suppressing the occurrence of stains on the wrapping paper. The basis weight of the inner roll paper is only revealed to be 30 g/m ² at maximum.

In addition, Patent Document 4 describes a method in which a water-repellent agent composed of a cellulose derivative is applied to a roll paper and dried to form a first layer, and a cellulose derivative is further applied thereon to form a first layer. Two layers, thereby forming a roll paper impregnated with a water repellent, and using the roll paper to suppress the generation of stains in the roll paper.

[Prior Art Literature] [Patent Literature]

Patent Document 1: Japanese Patent Publication No. 2017-506878.

Patent Document 2: Japanese Patent No. 4322936.

Patent Document 3: Japanese Patent Application Laid-Open No. 3-151867.

Patent Document 4: Specification of US Patent Publication No. 2004/0159414.

In the invention described in the above-mentioned Patent Document 3, there are problems in terms of productivity, cost, and maintenance of aroma and odor because two types of wrapping paper, the outer wrapping paper and the inner wrapping paper, must be used for the wrapping paper.

The invention described in Patent Document 4 is characterized in that a water-repellent agent such as a cellulose derivative is coated twice on the roll paper. Applying such a substance can suppress the generation of stains, but in order to obtain a sufficient effect, it is necessary to apply a large amount of coating, which greatly affects the quality of aroma absorption, flammability, and air permeability, and thus may impair the degree of freedom of design.

As described above, there is still room for improvement in the prior art used in view of suppressing the occurrence of stains on the rolled paper. Furthermore, in the case of non-combustion heating in which the packing density of the shredded tobacco is high and the amount of the aerosol-generating base material and flavorings added is large In the type of smoking article, there is a need for a smear-inhibiting roll paper that exceeds the prior art, especially a larger smudge-inhibiting roll paper.

Therefore, the present invention aims to provide a roll paper for a non-combustion heating type smoking article that suppresses the generation of stains, especially the generation of large stains.

The inventors of the present invention have made repeated studies to solve the above-mentioned problems. As a result, they found that the generation of stains can be suppressed by controlling the basis weight, pulp freeness, air permeability, and opacity of the roll paper within specific ranges, and completed the present invention. That is, the gist of the present invention is as follows.

[1] A roll paper for non-combustion heating type smoking articles, which has a basis weight of 35 g/m ² or more, a pulp freeness of 69° SR or more, an air permeability of 20 CU or less, and an opacity of 85% or less.

[2] The roll paper for a non-combustion heating type smoking article according to [1], wherein the water contact angle is less than 90°.

[3] The roll paper for non-combustion heating type smoking articles according to [1] or [2], which contains 35% by weight or more of filler.

[4] A non-combustion heating type smoking article comprising a tobacco rod portion and a mouthpiece portion constituting an end portion opposite to the tobacco rod portion, wherein the tobacco rod portion is made of a tobacco shred and an aerosol-generating base material. The filler is formed by wrapping the first roll of paper used to wrap the filler, and the tobacco rod portion and the mouthpiece portion are connected by a second roll of paper that is the same as or different from the roll paper used to wrap the filler, Here, at least one of the first roll paper and the second roll paper is the roll paper described in any one of [1] to [3].

[5] The non-combustion heating type smoking article according to [4], wherein the tobacco rod portion includes a filler containing shredded tobacco and an aerosol-generating base material, and the density of the filler is 250 mg/cm ³ or more, The content of the aerosol-generating base material in the filler is 5% by weight or more.

[6] The non-combustion heating type smoking article according to [4] or [5], wherein the tobacco rod portion includes a filler containing flavor, and the content of the flavor is 10,000 ppm or more.

[7] An electric heating type smoking system, which is composed of an electric heating type device and a non-combustion heating type smoking article,

The electric heating device includes a heater member, a heat conduction member that conducts heat from the heater member, a battery unit that becomes a power source for the heater member, and a control unit for controlling the heater member; the non-combustion The heated smoking article is fitted in contact with the thermally conductive member.

According to the present invention, it is possible to provide a roll paper for non-combustion heating type smoking articles which suppresses the generation of stains, especially the generation of large stains.

10‧‧‧Non-combustion heating type smoking articles

11‧‧‧Filling

12‧‧‧First Roll

13‧‧‧Second roll of paper (filter paper)

14‧‧‧Paper Tube Department

15‧‧‧Filter Section

16‧‧‧The mouthpiece

20‧‧‧Electric heating device

21‧‧‧Battery unit

22‧‧‧Control unit

23‧‧‧ Body

24‧‧‧Heater

25‧‧‧Conductive components

30‧‧‧Electric heating type smoking system

Fig. 1 is a schematic view showing an aspect of a non-combustion heating type smoking article.

Fig. 2 is a schematic diagram showing an aspect of the electric heating type smoking system.

Fig. 3 shows the stain ratio of the sticks for non-combustion heating type smoking articles of Examples 1 to 2 and Comparative Examples 1 to 5 after being stored for 4 weeks.

Embodiments of the present invention will be described in detail below. The following embodiment is an example (representative example) of the embodiment of the present invention, and the present invention is not limited to these. Moreover, this invention can implement arbitrary changes in the range which does not deviate from the summary.

In addition, when using "to" in this specification and inserting a numerical value or a physical property value before and after it and expressing, it is used in the form including the value before and after it.

Furthermore, in this specification, there are cases where the "smoking temperature" is used as a general term for "heating temperature" in non-combustion heating type smoking articles and "combustion temperature" in general cigarettes.

Furthermore, in this specification, there are cases where the general term for vaporized substances and aerosolized substances is represented by "smoke".

In addition, in this specification, "stain generation" refers to a phenomenon in which components or flavors derived from shredded tobacco appear to the extent that they can be visually recognized on the surface of the roll paper.

<Rolling paper for non-combustion heating type smoking articles>

In the wrapping paper for non-combustion heating type smoking articles according to one aspect of the present invention (hereinafter also referred to as "rolling paper of one aspect of the present invention"), the basis weight is 35 g/m ² or more, and the pulp freeness is 69 ° SR or more, the air permeability is 20CU or less, and the opacity is 85% or less.

The base paper used as the base material for the roll paper according to one aspect of the present invention is not particularly limited, and one using cellulose fibers as the material is exemplified. More specifically, as such a cellulose fiber, either one derived from a plant or a chemical synthesis can be used, or a mixture of these can be used. Fibers derived from plants include pulps such as flax fibers, wood fibers, and seed fibers, and unbleached colored unbleached pulps may be used. However, from the viewpoint of the appearance of paper with a white and clean feel, it is preferable to use an oxidizing agent. Bleached pulp that has been bleached with bleaching agents such as reducing agents.

The fiber length and thickness of the base paper used as the substrate used for the roll paper of one aspect of the present invention are not particularly limited, but generally have a length of 0.1 mm to 5 mm and a thickness of 10 μm to 60 μm.

The roll paper of one aspect of the present invention may also contain fillers, and the types of fillers are not particularly limited. Examples of fillers include metal carbonates such as calcium carbonate and magnesium carbonate, metal oxides such as titanium oxide and aluminum oxide, and metal sulfuric acid such as barium sulfate and calcium sulfate. Salt, metal sulfides such as zinc sulfide, quartz, kaolin, talc, diatomaceous earth, gypsum, etc., from the viewpoint of improving whiteness, opacity, and not affecting aroma and taste, it is particularly preferable to contain calcium carbonate. In addition, these fillers may be used individually by 1 type, and may use 2 or more types together.

In the roll paper of one aspect of the present invention, in order to maintain the opacity, the blending ratio of the filler is usually 5% by weight or more, preferably 10% by weight or more, more preferably 30% by weight or more, still more preferably 35% by weight or more , and is usually 60% by weight or less, preferably 50% by weight or less. In addition, for example, when calculating the calcium carbonate content, it can be calculated|required by ash content measurement or quantitative calcium ion after extraction.

In addition, the average particle diameter of a filler is not specifically limited, Usually, it is 3.0 micrometers - 3.5 micrometers.

If it is less than the lower limit of the above range, the roll paper is likely to be burnt, and if it exceeds the upper limit, the strength of the roll paper will be greatly reduced, and the paper will be broken frequently when the tobacco is produced at a high speed under the condition of thousands of cigarettes per minute. , that is, the winding suitability deteriorates.

In the roll paper of one aspect of the present invention, various additives other than base paper and fillers may be added within the range that does not impair the effect of the present invention. Paper strength enhancers can be added as auxiliary agents, such as polyacrylamide, cationic starch, oxidized starch, CMC, polyvinyl alcohol, etc., and usually add 0.1% to 2.0% by weight, preferably 0.2% to 2.0% by weight. 1.0% by weight. In particular, it is known that the air permeability can be improved by using an extremely small amount of oxidized starch (Japanese Patent Laid-Open No. 2017-218699).

Others, for example, in order to improve the water resistance, a water resistance improving agent may be provided. Water resistance enhancers include paper wettability enhancers (WS agents) and sizing agents. Examples of the paper wettability enhancer include urea formaldehyde resin, melamine formaldehyde resin, polyamide epichlorohydrin (PAE), etc., and are usually added at 0.1% by weight to 2% by weight when used. Furthermore, examples of sizing agents include turpentine soap, alkyl ketene dimer (AKD), alkenyl succinic anhydride (ASA), highly saponified polyvinyl alcohol with a degree of saponification of 90% or more, and the like. Add 0.1 to 2 wt%.

In general cigarette wrapping paper, alkali metal salts of citric acid and the like can be used as general combustion modifiers (combustion accelerants, etc.) that can affect the natural burning rate of the wrapping paper. There is no need to burn the roll paper, so it can be free of burning modifiers.

The basis weight of the roll paper in one aspect of the present invention is 35 g/m ² or more, preferably 40 g/m ² or more, usually 65 g/m ² or less, preferably 50 g/m ² or less. Basis weight was measured by the method prescribed|regulated by JIS P8124.

When it is in the said range, generation|occurrence|production of a stain can be suppressed, and moderate windability can be maintained.

Furthermore, the basis weight of the roll paper can be adjusted by adjusting the type or content of fillers. For example, the basis weight can be increased by increasing the high-density filler, or the basis weight can be decreased by increasing the low-density The same density filler can also increase or decrease the basis weight by increasing or decreasing the content.

In the roll paper of one aspect of the present invention, the pulp freeness of the roll paper is 69° SR or more, preferably 72° SR or more, more preferably 75° SR or more, still more preferably 78° SR or more, and measured In principle, it is 100° SR or less, preferably 95° SR or less, more preferably 90° SR or less, and still more preferably 85° SR or less. Moreover, it can measure by the Schopper-Riegler method prescribed|regulated to JIS P8121-1:2012. In addition, the pulp freeness in the present invention refers to the freeness of the pulp used as the raw material of the roll paper.

Within the above range, generation of stains can be suppressed, and moderate strength can be maintained.

Furthermore, the pulp freeness can be controlled by adjusting the freeness of the pulp to be used to control the roll paper, and the adjustment method includes, for example, changing the conditions of steaming or beating the pulp.

In the roll paper of one aspect of the present invention, the air permeability is 20 CORESTA units (CU) or less, preferably 15 CU or less, and usually 0 CU or more, preferably 1 CU or more. In addition, the air permeability is a value measured according to ISO2965:2009, and represents the gas flow rate (cm ³ ) that passes through an area of 1 cm ² per minute when the differential pressure between the two sides of the paper is 1 kPa. 1CORESTA unit (1CU) refers to a unit represented by cm ³ /(min·cm ² ) under 1 kPa.

Within the above range, the occurrence of stains can be suppressed, and moderate rigidity and air permeability can be maintained.

Furthermore, the air permeability of the roll paper can be adjusted by controlling the conditions and pulp content of the pulp beating step, controlling the type or content of fillers, dewatering speed in the papermaking step, drying speed, calendering place and other operating conditions.

In the roll paper of one aspect of the present invention, the opacity is less than 85%, preferably less than 83%, usually more than 65%, preferably more than 70%, more preferably more than 75%, and more preferably more than 80% above. In addition, the opacity is a value measured according to ISO2471.

Within the above range, the number of stains, especially the larger number of stains, can be reduced. In addition, when the upper limit of the above range is exceeded, the appearance deterioration will become conspicuous due to the contrast between the white of the rolled paper and the yellowish brown of the stain. Overall appearance deteriorated.

Furthermore, the opacity of the roll paper can be adjusted by adjusting the filler content, etc. The opacity can usually be increased by increasing the filler content.

The thickness of the roll paper in one aspect of the present invention is not particularly limited, but is usually 10 μm or more, preferably 20 μm or more, more preferably 30 μm or more, from the viewpoints of rigidity, air permeability, and ease of preparation during paper production. , is usually 200 μm or less, preferably 150 μm or less, and more preferably 100 μm or less.

The contact angle of water on the surface of the roll paper in one aspect of the present invention is not particularly limited, and is usually less than 90°, preferably less than 70°, more preferably less than 50°, still more preferably less than 40°, especially The best is less than 30°, and the best is less than 20°. A small water contact angle means that no surface treatment for increasing the water contact angle, such as a coating agent, can be given. By not carrying out such surface treatment, it is possible to manufacture a roll paper with a small number of steps that does not affect the aroma and odor, and has good winding suitability.

In order to keep the water contact angle of the roll paper surface within the above-mentioned range, it is preferable that the roll paper surface is not hydrophobic. Specifically, it is preferable not to perform treatments such as layering a hydrophobic film or coating a hydrophobic solution on the surface of the roll paper. More specifically, for example, from the viewpoint of not affecting the aroma and taste, it is preferable not to contain and roll the paper. Fatty acids and/or fatty acid esters covalently bonded to the surface of the paper. In addition, the presence or absence of fatty acids and/or fatty acid esters covalently bonded to the surface of the roll paper can be verified by infrared spectroscopy or Raman spectroscopy.

From the viewpoint of reducing stains, it is also effective to increase the water contact angle (water contact angle: 90° or more), but in order to increase the water contact angle, special surface treatments such as lipophilic coating agents are required. The water contact angle of the roll paper of one aspect of the present invention is not specified, but even if it is not subjected to special surface treatment and has a low contact angle (less than 90°), it can exhibit the effect of reducing stains.

The roll paper of one aspect of the present invention can be coated on the surface within the range that does not impair the effects of the present invention, but it is preferably not coated from the viewpoint of a decrease in productivity and an increase in cost due to an additional coating step. .

The roll paper of one aspect of the present invention can be produced by any known method, but can also be produced by, for example, the following method.

First, pulp is put into a beater to disintegrate the pulp. Next, the dissociated pulp is moved to a refiner and beaten in the refiner. The pulp freeness of the roll paper of the present invention can be adjusted by appropriately changing the beating conditions. In addition, calcium carbonate, for example, is prepared as a filler, and a coagulant is prepared as a manufacturing aid as necessary, and these are mixed with the pulp after beating.

Next, using this mixed pulp, the paper texture is adjusted in a papermaking step by a Fourdrinier paper machine, a rotary wire paper machine, a round-short composite paper machine, etc., and the paper texture is adjusted to make it uniform, thereby producing a roll paper. In addition, if necessary, the above-mentioned paper wettability enhancer can be added to impart water resistance to the roll paper, or when used in the tipping paper, a sizing agent can be added to adjust the printing conditions of the roll paper. . Furthermore, internal additives for papermaking such as aluminum sulfate, various anionic, cationic, nonionic or amphoteric yield enhancers, water drainage enhancers, and paper strength enhancers, as well as dyes and pH adjusters can be added. , defoaming agent, spacing control agent, and viscosity control agent and other papermaking additives.

Furthermore, the roll paper produced above can also be subjected to a calendering process in which pressing pressure is applied using a calender roll. The method and conditions of this rolling process are not particularly limited, and for example, it can be performed by the method or conditions described in International Publication No. WO 2008/072523. Through the calendering process, the density of the roll paper can be increased and the air permeability can be reduced.

<Non-combustion heating type smoking article>

The non-combustion heating type smoking article according to the embodiment of the present invention includes, for example, the one having the configuration shown in FIG. 1 .

The non-combustion heating type smoking article 10 in FIG. 1 has a tobacco rod portion (also referred to as a "tobacco rod"), and a mouthpiece portion 16 constituting an end portion opposite to the tobacco rod portion, and the tobacco rod portion is composed of The filler 11 and the first roll paper 12 for wrapping the filler 11 are constituted, and the tobacco rod part and the mouthpiece part use the same or different second roll paper 13 as the roll paper for wrapping the filler (Fig. 1). the filter paper) link.

At least one of the first roll paper and the second roll paper is the roll paper of the embodiment of the present invention described above. It is preferable that at least the first roll paper is the roll paper of the embodiment of the present invention. Moreover, it is more preferable that both the first roll paper 12 and the second roll paper are the roll paper of the embodiment of the present invention described above.

In the aspect shown in FIG. 1, the mouthpiece part 16 is provided with the paper tube part 14 and the filter part 15. Moreover, the filter paper 13 is provided as a 2nd roll paper for connecting these. In addition, although the mouthpiece part 16 is comprised by 2 segments in FIG. 1, the mouthpiece part 16 may be comprised by a single segment, and may be comprised by 3 or more segments. In addition, the segment which comprises a mouthpiece part may be comprised so that both a paper tube part and a filter part may be comprised, and may be comprised by only one of them.

The vapor containing the aerosol-generating base material and the tobacco flavor-absorbing component generated by heating the tobacco rod is liquefied and generated by passing through the paper tube portion 14, being in contact with the air in the paper tube, mixing and cooling. sol.

Furthermore, the non-combustion heating type smoking article 10 may also have a paper tube portion 14 and micro-holes (not shown) for inhaling air from the outside, and the micro-holes are present in the second roll covering the periphery of the paper tube portion 14. Part of paper 13 (filter paper). Due to the existence of such micropores, the air flows into the inside of the paper tube portion 14 from the outside during use, so that the vapor containing the aerosol-generating base material and the tobacco aroma and taste components generated by heating the tobacco rods is separated from the outside. Contact with the air reduces the temperature, thereby liquefying and generating an aerosol more reliably.

As the paper tube portion 14, for example, thick paper is processed into a cylindrical shape.

The material and structure of the filter part 15 are not particularly limited as long as it is a substance that has been reduced by filtration or adsorption to reduce vaporization or aerosolization, and a well-known one can be used. For example, the material of the filter part 15 is filled with fiber bundles containing acetate tow, cellulose, cellulose ester, and polyolefin first. Furthermore, it may also contain an adsorbent, and the material of the adsorbent may include activated carbon; metal oxides such as silicon oxide, aluminum oxide, titanium oxide, aluminosilicate, zeolite; mesoporous silicon oxide, and silicon oxide gel; Clay minerals such as hydrotalcite and sepiolite; ion exchange resins; and their surface modifications or gels.

In addition, regarding the structure of the filter portion 15, the entire material may be compacted, it may be divided into a plurality of segments, it may have a tubular structure with a hollow in the axial direction in a part, and a cooling function may be provided in a part. paper tube. When it consists of a plurality of segments, for example, a hollow segment is arranged on the upstream side, and the mouth section is filled with acetate tow as a segment on the downstream side (the end side of the user's mouth). According to this aspect, wasteful loss of the generated aerosol can be prevented, and the appearance of the non-combustion heating type smoking article can be improved.

In addition, in the manufacture of a filter, adjustment of ventilation resistance, or addition of an additive (a well-known adsorbent, a fragrance|flavor, a fragrance|flavor holding material, etc.) can be designed suitably.

The material of the second roll paper 13 (filter paper) is not particularly limited, and a part or all of the roll paper according to the embodiment of the present invention can be used. The second roll paper 13 includes, for example, a form in which the tobacco rod, the paper tube portion 14, and the periphery of the filter portion 15 are wrapped and fixed using vinyl acetate-based paste.

The tobacco rod contains a tobacco plant (also referred to as "shredded tobacco" in this specification) as the filler 11, and any part of the tobacco plant can be used, including leaf layers, middle ribs, stems, flowers, and roots. In particular, it is preferable to use a leaf layer from the viewpoint of heating and conveying more aroma. In addition, in order to adjust the aroma, various elements such as tobacco types and tobacco parts can be prepared and filled.

Furthermore, there are various processing methods for the pre-filler 11 before filling, but for filling, the dried tobacco can be cut into a width of 0.8 to 1.2 mm; for filling, the tobacco can also be pulverized to an average particle size of about 20 to 200 μm After homogenization, the sliced slicer is cut into pieces with a width of 0.8 to 1.2 mm; the sliced slicer can also be processed into folds without fine cutting and filled into the rod.

From the viewpoint of imparting good aroma and taste, the content of shredded tobacco in the filler is usually 20% by weight or more, preferably 30% by weight or more, more preferably 40% by weight or more, and usually 80% by weight or less, Preferably it is 70 weight% or less, More preferably, it is 60 weight% or less.

Since the smoking temperature is lower than that of general cigarettes, the above range is unique to non-combustion heating type smoking articles that must conduct heat efficiently, and general cigarettes are usually lower than the lower limit of the above range.

The filler 11 may also contain an aerosol-generating substrate that generates aerosol smoke. The type of the aerosol-generating base material is not particularly limited, and specific examples include polyols such as propylene glycol (PG), triethylene glycol, 1,3-butanediol, and glycerin; glycerol mono- or di- or triethyl alcohol Esters of polyhydric alcohols such as acid esters; and aliphatic esters of mono- or di- or polycarboxylic acids such as dimethyl dodecanedioate and dimethyl tetradecanedioate. The difference between the heating temperature and the melting point and boiling point of the smoking article From the viewpoints of relationship and easiness of forming a desired aerosol, propylene glycol (PG) and glycerin are preferred.

From the viewpoint of imparting good aroma and taste, the content of the aerosol-generating base material in the filler is usually 5% by weight or more, preferably 10% by weight or more, and usually 60% by weight or less, preferably 40% by weight. % by weight or less.

The filling 11 may also contain fragrance. The type of the fragrance is not particularly limited, but from the viewpoint of imparting good aroma and taste, acetyl phenyl methyl ether, acetophenone, acetyl pyrazine, 2-acetyl thiazole, alfalfa can be mentioned. Extract, Amyl Alcohol, Amyl Butyrate, Anti-Anethole, Anise Oil, Apple Juice, Peru Balsam Oil, Beeswax Extract, Benzaldehyde, Benzoin Resinoid, Benzyl Alcohol, Benzyl Benzoate, Benzyl phenylacetate, benzyl propionate, 2,3-butanedione, 2-butanol, butyl butyrate, butyric acid, caramel, cardamom oil, locust bean extract, beta-carotene, carrot Fruit juice, L-carvone, beta-caryophyllene, cinnamon bark oil, red juniper oil, celery seed oil, chamomile oil, cinnamaldehyde, cinnamic acid, cinnyl alcohol, cinnamic acid, citronella Oil, DL-citronellol, sage extract, cocoa, coffee, grape pomace oil, coriander oil, anise formaldehyde, artemisia oil, delta-decalactone, gamma-decalactone, capric acid, dill grass Oil, 3,4-dimethyl-1,2-cyclopentanedione, 4,5-dimethyl-3-hydroxy-2,5-dihydrofuran-2-one, 3,7-dimethyl yl-6-octenoic acid, 2,3-dimethylpyrazine, 2,5-dimethylpyrazine, 2,6-dimethylpyrazine, ethyl 2-methylbutyrate, ethyl acetate , ethyl butyrate, ethyl caproate, ethyl isovalerate, ethyl lactate, ethyl laurate, ethyl acetyl propionate, ethyl maltitol, ethyl caprylate, ethyl oleate, palmitic acid ethyl ester, ethyl phenylacetate, ethyl propionate, ethyl stearate, ethyl valerate, ethyl vanillin, ethyl vanillin glucoside, 2-ethyl-3,(5 or 6)-dimethyl pyrazine, 5-ethyl-3-hydroxy-4-methyl-2(5H)-furanone, 2-ethyl-3-methylpyrazine, eucalyptol, fenugreek, gorse Original essence, gentian extract, geraniol, geranyl acetate, grape juice, guaiacol, guava extract, γ-enantholactone, γ-caprolactone, caproic acid, cis-3-hexene -1-ol, hexyl acetate, hexyl alcohol, hexyl phenylacetate, honey, 4-hydroxy-3-pentenolactone, 4-hydroxy-4-(3-hydroxy-1-butenyl)-3 ,5,5-trimethyl-2-cyclohexen-1-one, 4-(p-hydroxyphenyl)-2-butanone, sodium 4-hydroxyundedecanoate, non-flowering essence, β- Ionone, Isoamyl Acetate, Isoamyl Butyrate, Isoamyl Phenylacetate, Isobutyl Acetate, Isobutyl Phenylacetate, Jasmine Extract, Cola Nut Tincture, Guava Oil, Lemon Deterpene Oil, licorice extract, linalool, linalyl acetate, angelica root oil, maltitol, maple syrup, menthol, menthone, L-menthol acetate, p-methoxybenzaldehyde, methyl- 2-pyrrolidinone, methyl anthranilate, methyl phenylacetate, methyl salicylate, 4'-methylacetophenone, methylcyclopentanedione, 3-methylvaleric acid, mimosa essence , molasses, myristic acid, nerol, nerolidol, gamma-nona lactone, nutmeg oil, delta-caprylactone, caprylaldehyde, caprylic acid, neroli oil, orange oil, calamus root oil, palmitic acid , omega-pentadecanolide, peppermint oil, petitgrain oil, phenethyl Alcohol, Phenylethyl Phenylacetate, Phenylacetic Acid, Piperonal, Plum Extract, Allylethyl Callus, Propyl Acetate, 3-Propylene Phalactone, Dried Plum Juice, Pyruvic Acid, Raisin Extract , rose oil, rum, sage oil, sandalwood oil, spearmint oil, styrofoam, marigold oil, tea distillate, alpha-terpineol, terpineyl acetate, 5,6,7 , 8-quinoxaline, 1,5,5,9-tetramethyl-13-oxoheterocycle (8.3.0.0(4.9)) tridecane, 2,3,5,6-tetramethylpyrazine, Thyme Oil, Tomato Extract, 2-Tridecone, Triethyl Citrate, 4-(2,6,6-Trimethyl-1-cyclohexenyl)2-buten-4-one, 2, 6,6-Trimethyl-2-cyclohexene-1,4-dione, 4-(2,6,6-trimethyl-1,3-cyclohexadienyl)2-butene-4 - ketone, 2,3,5-trimethylpyrazine, γ-undecanolactone, γ-valerolactone, vanilla extract, vanillin, veratrol, proviolet, particularly preferably menthol. Moreover, these fillers may be used individually by 1 type, or may use 2 or more types together.

From the viewpoint of imparting good aroma and taste, the content of the fragrance in the filler is usually 10,000 ppm or more, preferably 20,000 ppm or more, more preferably 25,000 ppm or more, and usually 50,000 ppm or less, preferably 40,000 ppm or less, more preferably Below 33000ppm.

Since the smoking temperature is lower than that of general cigarettes, the above range is unique to non-combustion heating smoking articles that produce less smoke, and general cigarettes are usually lower than the lower limit of the above range.

The packing density of the filler 11 is not particularly limited, but from the viewpoint of imparting good aroma and taste, it is usually 250 mg/cm ³ or more, preferably 290 mg/cm ³ or more, and usually 520 mg/cm ³ or less, more Preferably, it is 420 mg/cm ³ or less.

Since the smoking temperature is lower than that of general cigarettes, the above range is unique to non-combustion heating smoking articles that require a large amount of filler 11, and general cigarettes are usually lower than the lower limit of the above range.

The content of the filler 11 in the tobacco rod ranges from 200 to 400 mg/rod, preferably 250 to 320 mg/rod, when the tobacco rod has a circumference of 22 mm and a length of 20 mm. The moisture content of the filler 11 is 10 to 15% by weight, preferably 11 to 13% by weight. With such a moisture content, the winding suitability when manufacturing tobacco rods is good.

<Electric heating type smoking system>

Fig. 2 shows an aspect of the electric heating type smoking system. The electrically heated smoking system 30 is used by inserting the thermally conductive member 25 disposed inside the electrically heated device 20 and connected to the heater 24 in contact with the above-mentioned non-combustion heated smoking article 10 .

The electric heating device 20 has, for example, a battery unit 21 and a control unit 22 inside a resin body 23 .

As described above, the non-combustion heating type smoking article 10 has a tobacco rod portion and a mouthpiece portion 16 constituting an end portion opposite to the tobacco rod portion. The tobacco rod portion is composed of a filler 11 and a package filler 11 The first roll of paper 12 is formed, and the tobacco rod portion and the mouthpiece portion are connected by a second roll of paper which is the same as or different from the roll paper on which the filler 11 is wrapped. When the non-combustion heating type smoking article 10 is embedded in the electric heating type device, the outer peripheral surface of the tobacco rod and the outer periphery constituted by the second roll of paper (filter paper 13) connecting the tobacco rod and the paper tube portion 14 A part of the surface is in contact with the thermally conductive member 25 inside the electric heating type device 20 .

The heater 24 inside the electric heating device 20 is controlled by the control unit 22 to generate heat. The heat is transmitted to the tobacco rod of the non-combustion heating smoking article 10 through the thermally conductive member 25, whereby the aerosol-generating substrate contained in the filler 11 of the tobacco rod is volatilized together with the aroma and taste components.

Heating by heater 24 thereby heats the aforementioned tobacco rods to about 150 to 250°C.

The vapor containing the aerosol-generating substrate generated by heating and the aroma-absorbing component is aerosolized inside the paper tube portion 14 by the mechanism described above, and is filtered through the non-combustion heating type smoking article 10 The device portion 15 reaches the user's oral cavity.

(Example)

The present invention will be described more specifically with reference to examples, but the present invention is not limited to the following examples without departing from the gist of the present invention.

<Production of Roll Paper>

[Example 1]

Pulp (wood) was beaten to 69°SR by the Schopper-Riegler method, and after beating, the pulp was added so that calcium carbonate (Ca carbonate) might be contained in the content shown in Table 1. Using the obtained paper stock, roll paper was prepared by a Fourdrinier-type drum paper machine. This roll paper was made into a roll of 26.5 mm width×3000 m, and the roll paper of Example 1 having the physical properties shown in Table 1 was obtained. Example 2 was subjected to high pressure treatment with a calender machine (treatment temperature 40° C., linear pressure 50 kg, speed 200 m/min, 9-stage nip rolls with metal wool) before cutting to a width of 6.5 mm. Comparative Examples 1 to 5 were produced by changing the voltage of the beater, the head height of the paper machine, and the blending setting of the filler ratio so as to obtain the beating degree, basis weight, and filler shown in Table 1, respectively. A roll with the same width of 26.5mm as in Examples 1 and 2.

<Assessment of Roll Paper>

The physical properties of the roll papers shown in Table 1 were evaluated in the following manner.

(base weigh)

The basis weight of the roll paper was evaluated by the method specified in JIS P8124.

(pulp filterability)

The pulp freeness of the raw material of the roll paper was evaluated in accordance with the Schoperegler method specified in JIS P8121-1:2012.

(Ventilation)

The air permeability of the roll paper was measured according to the method specified in ISO2965:2009 using PPM1000 manufactured by CERULEANA.

(Ca carbonate)

The calcium carbonate content of the roll paper is estimated by the product of basis weight and ash. This ash content was evaluated by the method prescribed|regulated by JIS P8003.

(Opacity)

The opacity is a value measured according to ISO2471 using a whiteness/opacity measuring machine (manufacturer: Murakami Color Institute, model: WMS-1). The opacity is calculated by the formula: single sheet visual reflectance coefficient (R0)/intrinsic visual reflectance coefficient (R∞)×100(%). The intrinsic visual reflectance coefficient (R∞) of this formula is the intrinsic reflectance coefficient of the whiteness when measured using a specified reflectance meter and light source under the spectral conditions of an effective wavelength of 457 nm and a half width of 44 nm.

<The making of the stick>

The above-mentioned roll papers of Examples 1, 2 and Comparative Examples 1 to 5 were wound with a high-speed winder. The shredded tobacco was previously mixed with shredded tobacco with 2 g/100 g of flavor and 40/100 g of aerosol-generating base material (glycerin). The weight of each filament is 0.8g, the coil circumference is 24.5mm, and the coil length is 68mm. After winding, 200 sticks of tobacco rods were taken at each level and placed in plastic airtight containers for storage. In addition, it has been confirmed that there is no stain on the surface of the tobacco rod immediately after winding.

<Assessment of Spots>

The airtight container containing the above-mentioned rods made in the above-mentioned Examples 1, 2 and Comparative Examples 1 to 5 was stored for 4 weeks in an environment with a temperature of 22 ° C and a relative humidity of 60%, and the tobacco rods were taken out from the container and visually inspected. Assess the number of stains produced on the surface of the roll paper. In this evaluation, the longest stain diameter (L) satisfies 0.9 mm≦L<2.7 mm (small stain), and the one satisfying 2.7 mm≦L (large stain) is separately measured and measured. The evaluation results are shown in Table 1 and FIG. 3 . In addition, the roll paper system with mixed presence of large and small stains is evaluated and calculated as large stains.

In this evaluation, the unit of a stain is not related to whether it is independent from other stains, but is an approximate ellipse (including a circle) for each stain. In addition, the degree of occurrence of stains is represented by the number and size of stains generated in 200 examinations, or the absence of stains, and the generation ratio % of each grade.

<Evaluation of water contact angle>

The roll paper of the above-mentioned Examples 1 to 2 and Comparative Examples 1 to 5 was measured under the following conditions according to JIS R 3257:1999 using a commercially available contact angle measuring apparatus. As a result of the measurement, the water contact angle did not reach 35° in any of the Examples and Comparative Examples.

[Conditions for water contact angle measurement]

Measuring device: automatic contact angle meter DMC-MC3 (manufactured by Kyowa Interface Chemical Co., Ltd.).

Measurement environment: 22°C, 60% RH.

Measurement liquid: distilled water.

Measurement time: after 100ms of dripping.

Liquid volume: 2.5 μl.

Analytical method: The angle is set by the θ/2 method.

As can be seen from Table 1, compared with Comparative Examples 1 to 5 not using the roll paper of the present invention, Examples 1 and 2 using the roll paper of the present invention reduce the number of stains, especially the number of large stains. More specifically, from the comparison of Examples 1 and 2 and Comparative Examples 1 to 4, it can be seen that the influence of basis weight, pulp freeness, and air permeability on stains, and the comparison of Examples 1 and 2 and Comparative Example 5 shows that, The effect of opacity on blemishes.

10‧‧‧Non-combustion heating type smoking articles

11‧‧‧Filling

12‧‧‧First Roll

13‧‧‧Second roll of paper (filter paper)

14‧‧‧Paper Tube Department

15‧‧‧Filter Section

16‧‧‧The mouthpiece

Claims (6)

A roll paper for a non-combustion heating type smoking article, the basis weight of which is 35 ^g /m or more, the freeness of pulp is 69° SR or more, the air permeability is 20 CU or less, the opacity is 85% or less, and contains 35% by weight Calcium carbonate above. The roll paper for non-combustion heating type smoking articles according to claim 1, wherein the water contact angle is less than 90°. A non-combustion heating type smoking article is provided with a tobacco rod portion and a mouthpiece portion constituting an end opposite to the aforementioned tobacco rod portion, wherein the aforementioned tobacco rod portion is made of a filler containing shredded tobacco and an aerosol-generating base material. Where the first roll of paper for wrapping the filler is rolled, the tobacco rod portion and the mouthpiece portion are connected using a second roll of paper that is the same as or different from the roll paper for wrapping the filler, wherein, At least one of the first roll of paper and the second roll of paper is the roll of paper described in item 1 or 2 of the scope of the patent application. The non-combustion heating type smoking article described in item 3 of the scope of the patent application, wherein the tobacco rod portion comprises a filler containing shredded tobacco and an aerosol-generating base material, and the density of the filler is 250 mg/cm ³ or more, The content of the aerosol-generating base material in the aforementioned filler is 5% by weight or more. The non-combustion heating type smoking article according to claim 3, wherein the tobacco rod portion includes a filler containing flavor, and the content of the flavor is more than 10,000 ppm. An electric heating type smoking system, which is composed of an electric heating type device and the non-combustion heating type smoking type described in any one of the 3rd to 5th patent application scope. An article constituted by the electric heating type device comprising a heater member, a heat conduction member for conducting heat from the heater member, a battery unit serving as a power source for the heater member, and a control unit for controlling the heater member; The aforementioned non-combustion heating type smoking article is fitted in contact with the aforementioned thermally conductive member.

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