WO2013146325A1 - 不透明度を維持し主流煙中一酸化炭素量を減少させるシガレット巻紙 - Google Patents

不透明度を維持し主流煙中一酸化炭素量を減少させるシガレット巻紙 Download PDF

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Publication number
WO2013146325A1
WO2013146325A1 PCT/JP2013/057299 JP2013057299W WO2013146325A1 WO 2013146325 A1 WO2013146325 A1 WO 2013146325A1 JP 2013057299 W JP2013057299 W JP 2013057299W WO 2013146325 A1 WO2013146325 A1 WO 2013146325A1
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WO
WIPO (PCT)
Prior art keywords
wrapping paper
calcium carbonate
cigarette
shape
paper
Prior art date
Application number
PCT/JP2013/057299
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English (en)
French (fr)
Japanese (ja)
Inventor
哲哉 吉村
石川　信幸
祐一郎 木戸
拓 日出島
Original Assignee
日本たばこ産業株式会社
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Application filed by 日本たばこ産業株式会社 filed Critical 日本たばこ産業株式会社
Publication of WO2013146325A1 publication Critical patent/WO2013146325A1/ja

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Classifications

    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D1/00—Cigars; Cigarettes
    • A24D1/02—Cigars; Cigarettes with special covers
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H15/00—Pulp or paper, comprising fibres or web-forming material characterised by features other than their chemical constitution
    • D21H15/02—Pulp or paper, comprising fibres or web-forming material characterised by features other than their chemical constitution characterised by configuration
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/63—Inorganic compounds
    • D21H17/67—Water-insoluble compounds, e.g. fillers, pigments
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
    • D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
    • D21H21/28—Colorants ; Pigments or opacifying agents
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
    • D21H21/50—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by form
    • D21H21/52—Additives of definite length or shape
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes

Definitions

  • the present invention relates to cigarette wrapping paper, and more specifically to cigarette wrapping paper that maintains opacity and reduces the amount of carbon monoxide in mainstream smoke.
  • a low basis weight cigarette wrapping paper can reduce the amount of carbon monoxide in mainstream smoke, but it is not preferable in appearance because the cigarette wrap with reduced opacity of the cigarette wrapping paper is easy to see through.
  • the basis weight of the cigarette paper is increased to increase the opacity, the amount of carbon monoxide in the mainstream smoke increases.
  • a filler such as calcium carbonate is added to the paper raw material.
  • Patent Document 2 uses a calcium carbonate acicular entangled body in which acicular primary particles of calcium carbonate are irregularly entangled three-dimensionally for the purpose of improving opacity and air permeability. It is disclosed that it is contained in a paper wrapper.
  • the needle-shaped entangled body of calcium carbonate has an internal void with an average pore diameter ranging from 0.5 ⁇ m to 1.25 ⁇ m, and the needle-shaped primary particles of calcium carbonate have an aspect ratio of 10 to 50
  • Patent Document 2 relates to a cigarette paper containing the calcium carbonate.
  • an object of the present invention is to provide a cigarette paper that has a low basis weight but maintains opacity and reduces the amount of carbon monoxide in mainstream smoke.
  • the inventors of the present invention added a specific calcium carbonate whose secondary particles have a squid shape to a paper raw material to create a low basis weight paper, which increases opacity compared to the case of using other calcium carbonate, And it discovered that the amount of carbon monoxide in mainstream smoke decreased, and came to complete this invention.
  • the present invention is characterized by containing 10 to 40% by weight of calcium carbonate having a basis weight of 14 g / m 2 or more and less than 40 g / m 2 and secondary particles having a squid shape.
  • a cigarette paper is provided.
  • the primary particles of calcium carbonate have a columnar shape or a needle shape.
  • the primary particles of calcium carbonate have an average aspect ratio of 4 or more and less than 10.
  • the cigarette wrapping paper of the present invention contains predetermined calcium carbonate as a filler, thereby maintaining opacity despite a low basis weight and reducing the amount of carbon monoxide in mainstream smoke. Moreover, since the cigarette paper of the present invention has a low basis weight and can reduce the amount of carbon monoxide in the mainstream smoke, it is used as a base paper of a low fire spread cigarette paper with a combustion inhibitor applied to the surface. Is also useful.
  • FIG. 1 is a diagram schematically illustrating an example of secondary particles having a squid shape.
  • FIG. 2 is a diagram schematically showing examples of needle-like and columnar primary particles.
  • the cigarette wrapping paper of the present invention contains 10 to 40% by weight of calcium carbonate having a basis weight of 14 g / m 2 or more and less than 40 g / m 2 and secondary particles having a iga shape.
  • the pulp fibers used in the cigarette wrapping paper of the present invention can be composed of flax pulp fibers, wood pulp fibers (hardwood pulp, conifer pulp), etc. used in ordinary cigarette wrapping paper.
  • calcium carbonate whose secondary particles have a iga shape is 10 to 40% by weight, preferably 10 to 35% by weight, more preferably 20%, based on the total basis weight of the wrapping paper. It is blended at a ratio of ⁇ 35% by weight. That is, in the cigarette wrapping paper of the present invention, calcium carbonate whose secondary particles have iga shape is 1.9 to 7.4 g / m 2 , preferably 1.9 to 6.5 g / m 2 , more preferably, to the pulp fiber. Is blended in an amount of 3.7 to 6.5 g / m 2 .
  • Calcium carbonate is contained in the form of particles, and the particle size can be appropriately selected from the viewpoints of cost and ease of papermaking, but is preferably 0.02 ⁇ m to 10 ⁇ m.
  • the content of calcium carbonate means the amount of calcium carbonate contained in the cigarette paper after production.
  • the amount of calcium carbonate in the cigarette paper can be determined by ash measurement or by quantifying calcium ions after extraction as described in the Examples below.
  • the calcium carbonate used in the present invention is a synthetic calcium carbonate synthesized by a chemical reaction, and the shape and size of the primary particles of the synthetic calcium carbonate are roughly uniform and uniform.
  • “primary particles” mean basic particles constituting powders immediately after being synthesized by chemical reaction, and “secondary particles” are aggregates formed by agglomeration of many primary particles. Means.
  • the secondary particles of calcium carbonate having a squid shape are formed by agglomeration of primary particles in a general papermaking process.
  • the “Iga shape” represents an agglomerated shape in which tens to thousands of primary particles having a columnar shape or a needle shape are entangled in three dimensions.
  • Specific examples of the “Iga shape” include the modes disclosed in JP-A-55-40849 and JP-A-59-94700.
  • An example of the “bit shape” is schematically shown in FIG.
  • the iga shape has a core at the center, and a large number of primary particles may protrude from the core, or may not have a core at the center.
  • As calcium carbonate in which the secondary particles have a iga shape for example, Callite SA (Shiraishi Kogyo Co., Ltd.) or igagri calcium carbonate (New Lime Co., Ltd.) can be used.
  • the calcium carbonate may be added to the pulp fiber in the form of primary particles, may be added to the pulp fiber in the form of secondary particles, or the pulp fiber as a mixture of the form of primary particles and the form of secondary particles. May be added. In either case, the calcium carbonate is in a iga shape in the cigarette paper.
  • the shape and size of the primary particles that are preferable for forming secondary shapes of the secondary particles will be described below.
  • the primary particles preferably have a columnar shape or a needle shape.
  • a typical shape of a columnar shape or a needle shape is schematically shown in FIG.
  • the primary particles shown in FIG. 2 have a shape elongated in one direction.
  • the elongation direction of the particles is the longitudinal direction, and the maximum value in the longitudinal direction is “length (L)”.
  • the direction orthogonal to the vertical direction is defined as the width direction, and the maximum value in the width direction is defined as “width (W)”.
  • the ratio of “length (L)” to “width (W)” of primary particles is referred to as an aspect ratio.
  • the ratio (aspect ratio) of the length (L) to the width (W) of the columnar or needle-like primary particles is preferably 4 or more and less than 10.
  • both the columnar particles and the acicular particles refer to particles having an aspect ratio of 4 or more (see FIG. 2).
  • the columnar shape and the needle shape can be distinguished by whether or not the primary particles observed with an electron microscope have a pointed shape. That is, the columnar shape does not have a pointed shape (see FIGS. 1C and 1D), and the needle shape has a pointed shape (FIGS. 1A and 1D). (See (b)).
  • the needle shape may have a pointed shape at both ends in the direction of particle extension or at one end.
  • the columnar shape includes a truncated cone shape in addition to a cylindrical shape.
  • the width (W) and length (L) of the primary particles can be measured using, for example, a scanning electron microscope.
  • the calcium carbonate is preferably such that the primary particles are columnar or needle-like, more preferably the average aspect ratio of the primary particles is in the range of 4 or more and less than 10, and the average length of the primary particles (L ) Is 0.1 to 1.5 ⁇ m.
  • the average aspect ratio is determined by selecting a plurality of representative particles (at least 50 particles, for example, 50 to 200 particles) and measuring the primary particle width (W) and length (L) for each particle. It can be obtained by obtaining the average value of these aspect ratios.
  • a plurality of representative particles at least 50, for example, 50 to 200 particles
  • the length (L) is measured for each particle, and the average of these lengths (L) is measured. It can be obtained by determining the value.
  • the cigarette paper of the present invention has a basis weight of 14 g / m 2 or more and less than 40 g / m 2 .
  • the basis weight of the cigarette paper is preferably 20 g / m 2 or more and less than 40 g / m 2 , more preferably 20 to 30 g / m 2 .
  • the cigarette wrapping paper of the present invention has a smaller pore volume than the papers of Patent Documents 1 and 2 cited as prior art documents.
  • the cigarette paper of the present invention preferably has a pore volume measured by a mercury intrusion porosimeter of 1.0 to 1.8 ml / g.
  • the density of the cigarette paper is preferably 0.4 to 1.0 g / cm 3 .
  • the use of a predetermined calcium carbonate whose secondary particles have a squid shape as a filler increases the pore volume of the wrapping paper, thereby increasing the opacity of the wrapping paper and changing the combustion characteristics of the wrapping paper. Therefore, it is estimated that the amount of carbon monoxide in mainstream smoke could be reduced.
  • the cigarette paper of the present invention may contain a combustion regulator.
  • a combustion control agent alkali metal citrate is preferably used, and potassium citrate and sodium citrate are particularly preferable, and these can be used alone or in combination.
  • the combustion regulator is preferably contained in the cigarette wrapping paper in an amount of 5.0% by weight or less, and contained in an amount of 1.5% by weight or less. Is more preferable.
  • the cigarette paper of the present invention can be used as a cigarette paper with a filter. That is, according to one aspect of the present invention, a cigarette rod including a cigarette wound in a rod shape by the cigarette wrapping paper of the present invention, and a filter coaxially connected to one end of the cigarette rod by tip paper. A cigarette containing is provided.
  • the cigarette wrapping paper of the present invention may be coated with a combustion inhibitor on its surface. That is, the cigarette wrapping paper of the present invention can also be used as a base wrapping paper for low fire spread cigarette wrapping paper.
  • the combustion inhibitor any substance that is known to impart low fire spreading properties to cigarette wrapping paper can be used. For example, pectin, alginate, or the like can be used.
  • the combustion inhibitor can be applied to one surface of the base wrapping paper according to a known method. The combustion inhibitor may be applied to the entire area of one surface of the base wrapping paper, or may be applied as a plurality of band-shaped regions provided on one surface of the base wrapping paper so as to be separated from each other.
  • cigarette wrapping paper with a combustion inhibitor applied to the surface increases the amount of carbon monoxide in mainstream smoke as compared to cigarette wrapping paper not coated.
  • the cigarette wrapping paper of the present invention has a low basis weight and an excellent carbon monoxide reduction effect, the amount of carbon monoxide in mainstream smoke can be reduced by applying a combustion inhibitor compared to before application. Although it increases, it is expected to suppress the formation of carbon monoxide.
  • Examples 1-8 The trade names (purchasers) of calcium carbonate used in Examples 1 to 8 are as follows.
  • Example 1 PCX-850 (Shiroishi Industrial Co., Ltd.)
  • Example 2 Spherical calcium carbonate (New Lime Co., Ltd.)
  • Example 3 Ultrapaque (Specialty Minerals Incorporated)
  • Example 4 Hexagonal calcium carbonate (New Lime Corporation)
  • Example 5 Acicular calcium carbonate (New Lime Corporation)
  • Example 6 UNICA (Yonesho Lime Industry Co., Ltd.)
  • Example 7 Crossed disk-like calcium carbonate (New Lime Corporation)
  • Example 8 Callite SA (Shiroishi Industrial Co., Ltd.)
  • the calcium carbonates of Examples 1 to 7 may form secondary particles in the wrapping paper, but they do not become squid.
  • the calcium carbonate of Example 8 forms iga-shaped secondary particles in the wrapper.
  • Pulp (flax) was beaten to 130 CSF by the Canadian freeness method, and the calcium carbonate was added to the beaten pulp so as to have the content shown in Table 1.
  • a wrapping paper was prepared from the obtained paper stock using a long-net type tubular paper machine. This wrapping paper was harmonized for two days or more under conditions of a temperature of 22 ° C. and a relative humidity of 60%, and was cut into a predetermined length.
  • the amount of calcium carbonate in the wrapping paper is obtained by performing ultrasonic extraction with a 0.3N hydrochloric acid aqueous solution for 30 minutes, then quantifying it as calcium ions with an Agilent capillary electrophoresis system (7100) and converting it to calcium carbonate. Asked.
  • the opacity of the web was measured with Murakami Color Research Laboratory COLORIMETER (CM-53D).
  • Cigarettes were produced using the obtained wrapping paper and cigarette chopping (American blend). A filter was attached to one end of a cigarette rod composed of wrapping paper and cigarette cuts using chip paper, and a cigarette was produced by handmade so that the cigarette circumference was 24.9 mm and the cigarette length was 57 mm. The filling amount of cigarettes was 0.610 g per cigarette.
  • the amount of carbon monoxide in mainstream smoke was measured using Micro-GC (3000A) manufactured by Agi1ent.
  • the amount of carbon monoxide produced per smoke absorption (puff) was measured by the Health Canada inspection method (55 ml / 2s).
  • Table 1 shows the opacity of the wrapping paper and the amount of carbon monoxide produced per smoke absorption (puff).
  • the wrapping papers of Examples 1 to 8 containing various calcium carbonates as fillers have the same basis weight and filler content, so the combustion characteristics do not change and the amount of carbon monoxide in mainstream smoke is also equivalent. Actually, however, there was a difference in the amount of carbon monoxide in mainstream smoke due to the difference in the shape of calcium carbonate. In particular, when calcium carbonate whose secondary particles have a iga shape is used, the amount of carbon monoxide in mainstream smoke is reduced compared to the case of spindle-shaped calcium carbonate used in general cigarette paper. did.
  • the wrapping paper (Example 8) containing calcium carbonate whose secondary particles have a iga shape is compared with the wrapping paper (Example 1) containing spindle-shaped calcium carbonate used in general cigarette wrapping paper. Then, the amount of carbon monoxide produced in the mainstream smoke can be further reduced while having the same high opacity.
  • the wrapping papers of Examples 9 to 14 were prepared in the same manner as described above except that the basis weight and calcium carbonate content of the wrapping paper were changed as shown in Table 2 below.
  • the opacity of the web is shown in Table 2 below.
  • the opacity of the wrapping paper tends to increase as the basis weight and the amount of calcium carbonate increase. This is thought to be due to the change in the degree of voids inside and between the fibers due to the increase in the amount of pulp and calcium carbonate, and the optical interface increases, and the same tendency is observed regardless of the shape of calcium carbonate. Indicated.
  • the wrapping papers of Examples 15 to 18 were prepared in the same manner as described above except that the basis weight and calcium carbonate content of the wrapping paper were changed as shown in Table 3 below.
  • a cigarette was produced using the prepared wrapping paper in the same manner as in the example described above.
  • Table 3 below shows the opacity of the wrapping paper and the amount of carbon monoxide produced per smoke absorption (puff).
  • the wrapping paper blended with calcium carbonate whose secondary particles have a squid shape has carbon dioxide in mainstream smoke while having the same high opacity compared to the wrapping paper blended with spindle-shaped calcium carbonate.
  • the amount produced can be further reduced.

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  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Paper (AREA)
  • Cigarettes, Filters, And Manufacturing Of Filters (AREA)
PCT/JP2013/057299 2012-03-30 2013-03-14 不透明度を維持し主流煙中一酸化炭素量を減少させるシガレット巻紙 WO2013146325A1 (ja)

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JP2012081455A JP2015117437A (ja) 2012-03-30 2012-03-30 不透明度を維持し主流煙中一酸化炭素量を減少させるシガレット巻紙
JP2012-081455 2012-03-30

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Publication number Priority date Publication date Assignee Title
JP5997356B1 (ja) * 2015-10-08 2016-09-28 日本製紙パピリア株式会社 喫煙物品用巻紙
GB201904890D0 (en) * 2019-04-05 2019-05-22 British American Tobacco Investments Ltd Smoking article

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5994700A (ja) * 1982-11-17 1984-05-31 本州製紙株式会社 たばこ用巻紙
JPH0491776A (ja) * 1989-09-29 1992-03-25 R J Reynolds Tobacco Co シガレット
JPH05279993A (ja) * 1992-03-31 1993-10-26 Japan Tobacco Inc 喫煙物品用巻紙
JPH05279994A (ja) * 1992-03-31 1993-10-26 Japan Tobacco Inc 副流煙低減効果を示す喫煙物品用巻紙
JPH1136194A (ja) * 1996-11-14 1999-02-09 Schweitzer Mauduit Internatl Inc 喫煙品用巻紙の気体透過性を調節する方法およびシステム
JP2002129498A (ja) * 2000-10-18 2002-05-09 Mishima Paper Co Ltd たばこ用巻紙
JP2005507031A (ja) * 2001-10-22 2005-03-10 シュヴァイツア　マードゥイット　インターナショナルインコーポレイテッド 一酸化炭素の放出量を減少させた紙巻きタバコ用紙
JP2009191393A (ja) * 2008-02-13 2009-08-27 Rengo Co Ltd たばこ用巻紙
WO2012133797A1 (ja) * 2011-03-31 2012-10-04 日本たばこ産業株式会社 可視副流煙量と主流煙中一酸化炭素量を減少させるシガレット巻紙およびシガレット

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5994700A (ja) * 1982-11-17 1984-05-31 本州製紙株式会社 たばこ用巻紙
JPH0491776A (ja) * 1989-09-29 1992-03-25 R J Reynolds Tobacco Co シガレット
JPH05279993A (ja) * 1992-03-31 1993-10-26 Japan Tobacco Inc 喫煙物品用巻紙
JPH05279994A (ja) * 1992-03-31 1993-10-26 Japan Tobacco Inc 副流煙低減効果を示す喫煙物品用巻紙
JPH1136194A (ja) * 1996-11-14 1999-02-09 Schweitzer Mauduit Internatl Inc 喫煙品用巻紙の気体透過性を調節する方法およびシステム
JP2002129498A (ja) * 2000-10-18 2002-05-09 Mishima Paper Co Ltd たばこ用巻紙
JP2005507031A (ja) * 2001-10-22 2005-03-10 シュヴァイツア　マードゥイット　インターナショナルインコーポレイテッド 一酸化炭素の放出量を減少させた紙巻きタバコ用紙
JP2009191393A (ja) * 2008-02-13 2009-08-27 Rengo Co Ltd たばこ用巻紙
WO2012133797A1 (ja) * 2011-03-31 2012-10-04 日本たばこ産業株式会社 可視副流煙量と主流煙中一酸化炭素量を減少させるシガレット巻紙およびシガレット

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