WO2007123046A1 - Menthol delivery system for charcoal filter cigarette - Google Patents

Menthol delivery system for charcoal filter cigarette Download PDF

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Publication number
WO2007123046A1
WO2007123046A1 PCT/JP2007/058088 JP2007058088W WO2007123046A1 WO 2007123046 A1 WO2007123046 A1 WO 2007123046A1 JP 2007058088 W JP2007058088 W JP 2007058088W WO 2007123046 A1 WO2007123046 A1 WO 2007123046A1
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WO
WIPO (PCT)
Prior art keywords
menthol
filter
cigarette
delivery system
generation source
Prior art date
Application number
PCT/JP2007/058088
Other languages
French (fr)
Japanese (ja)
Inventor
Masafumi Tarora
Masahiro Onozawa
Katsuo Kato
Satoshi Hatakenaka
Masayuki Aoki
Shinsuke Arikawa
Original Assignee
Japan Tobacco Inc.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Japan Tobacco Inc. filed Critical Japan Tobacco Inc.
Priority to JP2008512083A priority Critical patent/JP5164217B2/en
Publication of WO2007123046A1 publication Critical patent/WO2007123046A1/en

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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
    • A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
    • A24D3/18—Mouthpieces for cigars or cigarettes; Manufacture thereof
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
    • A24D3/06—Use of materials for tobacco smoke filters
    • A24D3/14—Use of materials for tobacco smoke filters of organic materials as additive
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
    • A24D3/06—Use of materials for tobacco smoke filters
    • A24D3/16—Use of materials for tobacco smoke filters of inorganic materials
    • A24D3/163—Carbon
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F7/00—Mouthpieces for pipes; Mouthpieces for cigar or cigarette holders
    • A24F7/02—Mouthpieces for pipes; Mouthpieces for cigar or cigarette holders with detachable connecting members

Definitions

  • the present invention relates to a menthol delivery system for a chiacoal filter cigarette that achieves both reduction of vapor phase components in mainstream smoke sucked by a smoker and attachment of menthol to the mainstream smoke. About.
  • the charcoal filter has a filter material, activated charcoal particles distributed in the filter material, and a wrapping material that wraps the filter material in a cylindrical shape.
  • Patent Document 1 JP-A-9-117273
  • Patent Document 2 JP-A-9-187266
  • An object of the present invention is to provide a menthol delivery system for a chiacoal filter cigarette that can effectively add scent of menthol to mainstream smoke while reducing the vapor phase component in the mainstream smoke. There is.
  • a menthol delivery system of the present invention includes a cigarette and a cylindrical charcoal filter, and the charcoal filter includes activated charcoal particles distributed therein.
  • a cigarette is prepared separately from the filter cigarette itself or the filter cigarette, and when smoking the filter cigarette, the menthol holder is positioned downstream of the charcoal filter as viewed in the flow direction of the mainstream smoke that also generates the filter cigarette force. Is prepared separately from the filter cigarette, and is combined with the filter cigarette via the menthol holder immediately before smoking to provide a menthol generation source that adds menthol to mainstream smoke during smoking.
  • the mainstream smoke when the filter cigarette is smoked after the filter cigarette and the menthol generation source are combined, the mainstream smoke first passes through the charcoal filter. At this time, a part of the vapor phase component in the mainstream smoke is adsorbed by the charcoal filter, and the vapor phase component in the mainstream smoke is reduced. After this, the mainstream smoke passes through the menthol source, where menthol aroma is added and sucked into the smoker's mouth.
  • the menthol holder can accommodate a menthol generation source, and the menthol holder and the menthol generation source have a cylindrical shape similar to that of a Chiacoal filter. Thus, if the menthol holder has a cylindrical shape, the delivery system of the present invention can provide an appearance that approximates a normal filter cigarette even when smoking.
  • the menthol generation source may include a filter material and a menthol attached to the filter material.
  • the amount of menthol added to the filter material is represented by Ma
  • the tar sent together with the mainstream smoke through the menthol generation source and the amount of menthol delivered are tar.
  • the ratio of menthol delivery (Md) to delivery (Tar) is expressed by R (Md / Tar)
  • the menthol source has a characteristic that satisfies R / Ma ⁇ 0.02. Is desirable.
  • the filter material is formed of cellulose acetate fiber bundle force, and the filter material can have a cylindrical coating formed by thermoforming the outer peripheral surface of the fiber bundle. Such a coating eliminates the need for a wrapping material to wrap the filter material.
  • the above-described value RZMa is an index representing the release efficiency of menthol with respect to the addition amount Ma of menthol. More specifically, the menthol delivery amount Md varies with the tar delivery amount Tar even if the menthol feed amount Ma is the same. Therefore, the ratio R (MdZTar) becomes substantially constant regardless of the change of the tar delivery amount Tar, and can be an index representing the release efficiency of the menthol with respect to the addition amount Ma of the menthol.
  • the filter material of the menthol generation source can be formed from one of a paper material and a non-woven fabric of pulp, and the menthol is applied to the filter material in the form of a solution dissolved in a solvent of alcohols or Daricols. It has been added.
  • the alcohol solvent includes ethanol, methanol, benzene alcohol, glycerin, and the like
  • the glycol solvent includes propylene glycol, polyethylene glycol, and the like.
  • the menthol solution is preferably added to the filter material before the filter material is compression molded.
  • the menthol holder can be formed in a hollow cylindrical shape that is formed integrally with the charcoal filter and protrudes the charcoal filter force.
  • menthol The holder has a recess for receiving the menthol generation source.
  • the menthol holder may be a hollow cylindrical joint holder formed as a separate member from the charcoal filter.
  • the joint holder has one end for receiving the end of the charcoal filter. And the other end for accommodating the menthol generation source.
  • the menthol holder may be a cylindrical joint holder formed as a separate member from the charcoal filter.
  • the joint holder has a recess for receiving the end of the charcoal filter at one end thereof. And a second end portion containing the menthol generation source.
  • FIG. 1 is a view showing a menthol delivery system of a first embodiment.
  • FIG. 2 is a view showing a menthol delivery system of a second embodiment.
  • FIG. 3 is a view showing a menthol delivery system of a third embodiment.
  • FIG. 4 is a view showing a menthol generation source including a filter material formed from a fiber bundle of cellulose acetate.
  • FIG. 5 is a view showing a menthol generation source including a filter material formed from a paper material cover.
  • FIG. 6 A diagram showing a menthol generation source including a filter material in which a nonwoven fabric force of a loop is also formed.
  • FIG. 7 is a view showing a menthol generation source including a filter material obtained by thermoforming a fiber bundle of cellulose acetate.
  • FIG. 8 Filter cigarettes to be compared with the systems of the first to third embodiments are shown in (a) to (c), respectively.
  • FIG. 10 is a graph showing the result of comparing an example and a comparative example regarding the amount of menthol delivered.
  • FIG. 11 is a graph showing a comparison between the systems AMF and PMF of Examples in relation to the amount of menthol sprinkling and the amount of menthol delivered.
  • FIG. 12 is a graph showing a comparison of system AMF and PMF in relation to the amount of menthol delivered and its change over time.
  • FIG. 13 is a graph showing a comparison between the system AMF and the PMF regarding the relationship between the amount of coal-capped coffee and the amount of menthol delivered.
  • the menthol delivery system of FIG. 1 includes a charcoal type filter cigarette 2 and a cylindrical menthol generation source 4.
  • the filter cigarette 2 includes a cigarette 6 and a charcoal filter 8 connected to one end of the cigarette 6.
  • the charcoal filter 8 has a filter plug 10 and a chip paper 12 for connecting the filter plug 10 and the cigarette 6.
  • the chip paper 12 is connected to the filter plug 10 from one end of the cigarette 6. It is attached to both the cigarette 6 and the filter plug 10.
  • the filter plug 10 includes a bundle of cellulose acetate fibers, activated carbon particles distributed in the bundle, and a packaging material that wraps the bundle in a cylindrical shape.
  • the chip paper 12 protrudes from the filter plug 10 and has a cylindrical recess 14 in the inside thereof. Form a filter (recess filter).
  • the recess 14 has an inner diameter into which the menthol generation source 4 can be inserted, and forms a menthol holder for the menthol generation source 4. That is, the menthol source 4 is inserted into the recess 14 and contained immediately before the filter cigarette 2 is smoked.
  • FIG. 2 shows a menthol delivery system according to a second embodiment.
  • the system of the second embodiment includes a filter cigarette 16, a menthol generation source 4, and a hollow cylindrical joint holder 18.
  • the joint holder 18 connects the filter cigarette 16 and the menthol generation source 4 to each other. Can be combined.
  • the filter cigarette 16 is different from the filter cigarette 2 of the first embodiment only in the form of the charcoal filter. Specifically, the charcoal filter 20 of the filter cigarette 16 does not have the recess 14 described above, and the end of the tip paper 12 and the end face of the filter plug 10 are in the same plane.
  • the joint holder 18 has an annular stopper 24.
  • the stopper 24 protrudes from the inner peripheral surface of the joint holder 18 and divides the inside of the joint holder 18 into a pair of recesses 26 and 28.
  • a portion of the filter 20 of the filter cigarette 16 is inserted into one recess 26, while a menthol source 4 is inserted into the other recess 28. , Housed in recess 28.
  • FIG. 3 shows a menthol delivery system according to a third embodiment.
  • the system of the third embodiment includes a filter cigarette 17 and a menthol holder 19.
  • the filter cigarette 17 is also different from the filter cigarettes 2 and 16 of the first and second embodiments only in the form of the charcoal filter. That is, the charcoal filter 21 of the filter cigarette 17 is a so-called dual filter and includes a charcoal filter element CF and a ferrite filter element AF.
  • the charcoal fill element CF has the same structure as the filter plug 10 described above, while the acetate filter element AF is obtained by removing activated carbon particles from the filter plug 10 and the total length of these filter elements CF and AF. The length is the same as the length of the filter plug 10.
  • the menthol holder 19 includes the menthol generation source 4 described above and a cylindrical sheath 23 surrounding the generation source 4.
  • the menthol generation source 4 is positioned at one end of the sheath 23, and the other end of the sheath 23 is formed as a recess 25.
  • the recess 25 has an inner diameter that allows the insertion of the charcoal filter 21 of the filter cigarette 17.
  • the menthol holder 19 receives the one end of the charcoal filter 21 in the filter cigarette 17 in the recess 25, thereby Connected to the filter 17.
  • the menthol generation source 4 in FIG. 4 includes a filter material 30 composed of a fiber bundle of cellulose acetate in the same manner as the filter plug 10 described above, a packaging material 32 that wraps the filter material 30 in a cylindrical shape, and a filter material 30 It consists of menthol attached inside.
  • FIG. 5 The menthol generation source 4 differs from the menthol generation source 4 of FIG. 4 only in that it has a filter material 34 in which a paper material is formed into a cylindrical shape instead of the filter material 30.
  • the menthol generator source 4 in FIG. 6 differs from the menthol generator 4 in FIG. 4 only in that it has a filter material 36 in which a non-woven fabric of pulp is formed into a cylindrical shape instead of the filter material 30.
  • the menthol generation source 4 in FIG. 7 has a cylindrical coating 38 obtained by thermoforming the outer peripheral surface of the filter material 30, and this coating 38 is used only in place of the packaging material 32. This is different from menthol source 4 in Fig. 4.
  • the menthol generation source 4 shown in Figs. 4 to 7 the menthol is in a liquid state dissolved in a solvent and added to the filter material, and the upper limit value of the added amount is 8 mg. .
  • alcohol solvents ethanol, methanol, benzine alcohol, glycerin, etc.
  • glycol solvents propylene recall, polyethylene glycol, etc.
  • the filter cigarette of Comparative Example C1 includes a cigarette MC and a dual filter DF connected to one end of the cigarette MC, and the cigarette MC has a menthol added to the cigarette.
  • the dual filter DF has the same charcoal filter element CF and acetate filter element AF as the charcoal filter 21 of the third embodiment.
  • the filter cigarette of Comparative Example C2 includes a cigarette MC and a dual filter DF, and the cigarette MC 'has a particulate menthol capsule attached to the cut tobacco.
  • the menthol capsule is destroyed by the heat of mainstream smoke and releases menthol. Therefore, the filter cigarette of Comparative Example C2 never adsorbs menthol to the activated carbon particles in the charcoal filter element CF before smoking. Yes.
  • the filter cigarette of Comparative Example C3 is an ordinary plain cigarette P that does not contain menthol.
  • the amount of activated carbon particles contained in the thiacol filter that is, the amount of thiacol is 140 mg, and the air permeability Vfc of the entire filter cigarette is The amount of tar delivered from the cigarette is set to 6 mg each.
  • Comparative Example C2 and Example E have a higher reduction rate of the vapor phase component than Comparative Examples CI and C3. This indicates that in Example E, the activated carbon particles sufficiently perform their original functions. That is, at the stage prior to smoking, the menthol of the system of Example E is separated from the Tyacol filter (8, 20, CF) and does not adsorb the activated carbon particle force S menthol.
  • Fig. 11 is a graph showing the relationship between the amount of menthol and the amount of menthol delivered in Table 1.
  • AMF and PMF indicate the inventive system using the menthol generation source 4 of Figs. 4 and 5, respectively, and KM indicates the Ciacole filter cigarette of Comparative Example C1 of Fig. 8 (a).
  • the system AMF has a higher menthol delivery amount than the KM even if the amount of menthol feed is the same.
  • the reason for this is that cigarette MC 'of system KM contains menthol, so when smoking, the menthol sent along with mainstream smoke from cigarette MC' passes through dual filter DF, and the menthol is the dual filter DF chaser. Call filter element By adsorbing to CF.
  • the menthol generation source 4 is positioned at the inlet end of the system AMF during smoking, so that the menthol is hardly adsorbed by the activated carbon particles during smoking.
  • system AMF has higher menthol release efficiency than KM.
  • FIG. 11 also shows that the menthol delivery amount of the system PMF is higher than that of the system AMF.
  • the filter material 30 of the menthol source 4 is formed from a fiber bundle of cellulose acetate, and this type of filter material 30 usually uses triacetin as a plasticizer to cure the fiber bundle. Therefore, it is considered that menthol is sorbed on cellulose acetate fiber together with triacetin.
  • the system AMF causes a phenomenon that suppresses menthol delivery.
  • the filter material 34 of the menthol generation source 4 is formed of a paper material, and thus does not suffer from the above-described problems of the system PMF. Therefore, the system PMF can increase the amount of menthol delivered compared to the system AMF.
  • triacetin as a solvent that is preferably used as a solvent for menthol is the solvent of alcohols or darlicol described above. Should be avoided.
  • system PMF RZMa
  • system AMF RZMa
  • FIG. 12 shows the change with time of the delivery amount of menthol.
  • FIG. 13 shows the relationship between the amount of activated carbon particles added to the thiacoal filter, that is, the amount of charcoal and the amount of menthol delivered.
  • the menthol generation source 4 of FIGS. 5 and 6 is preferred to the menthol generation source 4 of FIGS. 4 and 7.
  • the numerical value attached after AMF and PMF indicates the amount of mentole added.
  • system of FIG. 2 can further include a mouse piece that can be removably attached to the joint holder 18.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Cigarettes, Filters, And Manufacturing Of Filters (AREA)

Abstract

A menthol delivery system for charcoal filter cigarette, comprising a menthol holder provided in filter cigarette per se or separately from filter cigarette; and a menthol generating source provided separately from filter cigarette, placed in the menthol holder just prior to filter cigarette smoking and capable of, at smoking, adding menthol to the mainstream smoke from filter cigarette.

Description

明 細 書  Specification
チヤコールフィルタシガレットのためのメンソール送出システム 技術分野  Menthol delivery system for chicoal filter cigarettes
[0001] 本発明は、喫煙者に吸引される主流煙中の蒸気相成分の低減と、その主流煙への メンソールの付カ卩との両立を図ったチヤコールフィルタシガレットのためのメンソール 送出システムに関する。  [0001] The present invention relates to a menthol delivery system for a chiacoal filter cigarette that achieves both reduction of vapor phase components in mainstream smoke sucked by a smoker and attachment of menthol to the mainstream smoke. About.
背景技術  Background art
[0002] シガレットの喫煙時、シガレットの主流煙中に含まれる蒸気相成分 (ァセトアルデヒド 、アセトン、ベンゼン等）を低減するため、シガレットはその端にチヤコールフィルタを 有する。このチヤコールフィルタは、フィルタ材料と、このフィルタ材料に分布された活 性炭の粒子と、フィルタ材を円筒状に包み込む包材とを有する。  [0002] When cigarettes are smoked, cigarettes have a Thiacol filter at the end in order to reduce vapor phase components (acetaldehyde, acetone, benzene, etc.) contained in the mainstream smoke of cigarettes. The charcoal filter has a filter material, activated charcoal particles distributed in the filter material, and a wrapping material that wraps the filter material in a cylindrical shape.
[0003] 一方、喫煙時、主流煙の本来の風味や味覚にカ卩え、主流煙にメンソールの芳香を 付加することができるメンソールタイプのチヤコールフィルタシガレットが知られており 、このフィルタシガレットは、シガレット内の刻たばこに直接的に添加されたメンソール を含んでいる。それ故、喫煙時、メンソールの芳香は、主流煙がチヤコールフィルタを 通過する前の段階で、主流煙に付加される。  [0003] On the other hand, when smoking, there is known a menthol-type chiacoal filter cigarette that can add to the mainstream smoke the menthol fragrance, which gives the main flavor and taste of the mainstream smoke. It contains menthol added directly to cigarettes in cigarettes. Therefore, when smoking, the menthol aroma is added to the mainstream smoke before the mainstream smoke passes through the Tiacol filter.
[0004] それ故、主流煙がチヤコールフィルタを通過するとき、主流煙にはメンソールの芳香 が既に付加されているため、メンソールの一部はチヤコールフィルタ中の活性炭の粒 子に吸着されてしまう。この結果、上述したタイプのメンソールシガレットにあっては、 喫煙者の口内までメンソールの芳香を効果的に送り込むことができず、また、メンソ一 ルを吸着した活性炭の粒子は、主流煙中の蒸気相成分を低減する本来の大きく損 なう。  [0004] Therefore, when mainstream smoke passes through the thiacoal filter, the mainstream smoke already has the fragrance of menthol, so that part of the menthol is adsorbed by the activated carbon particles in the thiacol filter. End up. As a result, the menthol cigarette of the type described above cannot effectively send the menthol aroma into the smoker's mouth, and the activated carbon particles adsorbing the menthol are not vaporized in the mainstream smoke. The original significant loss of phase components is lost.
[0005] 上述の不具合を解消するため、シガレットとチヤコールフィルタとを別々に備えたシ ガレットシステム（特許文献 1)や、シガレットとメンソール等のフレーバを発生するフィ ルタとを別々に備えたシガレットシステム (特許文献 2)が知られている。これらシガレ ットシステムにおいて、シガレットの喫煙に先立ち、シガレット及びフィルタは互いに結 合される。 特許文献 1：特開平 9-117273号公報 [0005] In order to solve the above-mentioned problems, a cigarette system (Patent Document 1) that includes a cigarette and a charcoal filter separately, and a cigarette that includes a filter that generates flavor such as cigarette and menthol. A system (Patent Document 2) is known. In these cigarette systems, the cigarette and the filter are combined with each other prior to smoking the cigarette. Patent Document 1: JP-A-9-117273
特許文献 2：特開平 9-187266号公報  Patent Document 2: JP-A-9-187266
発明の開示  Disclosure of the invention
発明が解決しょうとする課題  Problems to be solved by the invention
[0006] 主流煙中の蒸気相成分の低減と主流煙へのメンソールの芳香付けとを同時に達成 するため、特許文献 1, 2のフィルタを組み合わせたフィルタを製造することが考えら れる。しかしながら、このようなフィルタにあっても、活性炭の粒子及びメンソールはフ ィルタ内にて互!ヽに隣接して存在するため、活性炭の粒子にメンソールが吸着されて しまうことは避けられず、上述の不具合を本質的に解消することにはならない。  [0006] In order to simultaneously reduce the vapor phase component in the mainstream smoke and aromatize the menthol to the mainstream smoke, it is conceivable to manufacture a filter combining the filters of Patent Documents 1 and 2. However, even in such a filter, the activated carbon particles and the menthol are adjacent to each other in the filter, so that the activated carbon particles are inevitably adsorbed on the particles. This does not essentially eliminate the problem.
[0007] 本発明の目的は、主流煙中の蒸気相成分を低減しつつ、主流煙にメンソールの芳 香を効果的に付加することができるチヤコールフィルタシガレットのためのメンソール 送出システムを提供することにある。  [0007] An object of the present invention is to provide a menthol delivery system for a chiacoal filter cigarette that can effectively add scent of menthol to mainstream smoke while reducing the vapor phase component in the mainstream smoke. There is.
課題を解決するための手段  Means for solving the problem
[0008] 上記の目的を達成するため、本発明のメンソール送出システムは、シガレット及び 円筒状のチヤコールフィルタを備え、このチヤコールフィルタがその内部に分布され た活性炭の粒子を含む、チヤコールフィルタシガレットと、フィルタシガレット自身又は フィルタシガレットとは別に準備され、フィルタシガレットの喫煙時、フィルタシガレット 力も発生する主流煙の流れ方向でみてチヤコールフィルタの下流に位置付けられる メンソールホルダと、フィルタシガレットの喫煙前にはフィルタシガレットと分離した状 態で準備され、喫煙の直前にメンソールホルダを介してフィルタシガレットに組み合 わされることで、喫煙時、主流煙にメンソールを付加するメンソール発生源とを備える [0008] In order to achieve the above object, a menthol delivery system of the present invention includes a cigarette and a cylindrical charcoal filter, and the charcoal filter includes activated charcoal particles distributed therein. A cigarette is prepared separately from the filter cigarette itself or the filter cigarette, and when smoking the filter cigarette, the menthol holder is positioned downstream of the charcoal filter as viewed in the flow direction of the mainstream smoke that also generates the filter cigarette force. Is prepared separately from the filter cigarette, and is combined with the filter cigarette via the menthol holder immediately before smoking to provide a menthol generation source that adds menthol to mainstream smoke during smoking.
[0009] 上述したメンソール送出システムによれば、フィルタシガレットとメンソール発生源と が組み合わされた後にフィルタシガレットが喫煙されたとき、主流煙は先ずチャコ一 ルフィルタを通過する。このとき、主流煙中の蒸気相成分の一部はチヤコールフィル タに吸着され、主流煙中の蒸気相成分は低減される。この後、主流煙はメンソール発 生源を通過し、この際、メンソールの芳香が付加され、そして、喫煙者の口内に吸い 込まれる。 [0010] より詳しくは、メンソールホルダはメンソール発生源を収容可能であり、メンソールホ ルダ及びメンソール発生源は、チヤコールフィルタと同様な円筒状をなしている。この ようにメンソールホルダが円筒形状を有していれば、本発明の送出システムは、喫煙 時にあっても、通常のフィルタシガレットに近似した外観を提供することができる。 [0009] According to the menthol delivery system described above, when the filter cigarette is smoked after the filter cigarette and the menthol generation source are combined, the mainstream smoke first passes through the charcoal filter. At this time, a part of the vapor phase component in the mainstream smoke is adsorbed by the charcoal filter, and the vapor phase component in the mainstream smoke is reduced. After this, the mainstream smoke passes through the menthol source, where menthol aroma is added and sucked into the smoker's mouth. [0010] More specifically, the menthol holder can accommodate a menthol generation source, and the menthol holder and the menthol generation source have a cylindrical shape similar to that of a Chiacoal filter. Thus, if the menthol holder has a cylindrical shape, the delivery system of the present invention can provide an appearance that approximates a normal filter cigarette even when smoking.
[0011] メンソール発生源は、フィルタ材と、このフィルタ材に添カ卩されたメンソールとを含む ことができる。この場合、フィルタ材中に添加されたメンソールの添カ卩量が Maで表さ れ、且つ、フィルタシガレットの喫煙時、主流煙とともにメンソール発生源を通じて送 出されるタール及びメンソールの送出量に関して、タールの送出量 (Tar)に対するメ ンノールの送出量（Md)の比が R (Md/Tar)で表されるとき、メンソール発生源は、 R/Ma≥0. 02を満たす特性を有しているのが望ましい。この場合、フィルタ材はセ ルロースアセテートの繊維束力 形成されており、更に、フィルタ材は、繊維束の外 周面を熱成形して形成した円筒状の被覆を有することができる。このような被覆はフィ ルタ材を包み込むための包材を不要にする。  [0011] The menthol generation source may include a filter material and a menthol attached to the filter material. In this case, the amount of menthol added to the filter material is represented by Ma, and when smoking the filter cigarette, the tar sent together with the mainstream smoke through the menthol generation source and the amount of menthol delivered are tar. When the ratio of menthol delivery (Md) to delivery (Tar) is expressed by R (Md / Tar), the menthol source has a characteristic that satisfies R / Ma≥0.02. Is desirable. In this case, the filter material is formed of cellulose acetate fiber bundle force, and the filter material can have a cylindrical coating formed by thermoforming the outer peripheral surface of the fiber bundle. Such a coating eliminates the need for a wrapping material to wrap the filter material.
[0012] 上述した値 RZMaは、メンソールの添加量 Maに対するメンソールの解放効率を表 す指標である。より詳しくは、メンソールの添カ卩量 Maが同一であっても、メンソールの 送出量 Mdはタールの送出量 Tarによって変化する。それ故、前記比 R(MdZTar) はタールの送出量 Tarの変化に拘わらず、ほぼ一定になり、メンソールの添加量 Ma に対するメンソールの解放効率を表す指標になり得る。  [0012] The above-described value RZMa is an index representing the release efficiency of menthol with respect to the addition amount Ma of menthol. More specifically, the menthol delivery amount Md varies with the tar delivery amount Tar even if the menthol feed amount Ma is the same. Therefore, the ratio R (MdZTar) becomes substantially constant regardless of the change of the tar delivery amount Tar, and can be an index representing the release efficiency of the menthol with respect to the addition amount Ma of the menthol.
[0013] それ故、メンソールの送出効果を更に高めるには、上述値 RZMaは 0. 03以上確 保されているのが好ましい。この場合、メンソール発生源のフィルタ材は、紙素材及 びパルプの不織布の一方から形成することができ、そして、メンソールは、アルコール 類又はダリコール類の溶剤に溶解された溶液の形態でフィルタ材に添加されている。  [0013] Therefore, in order to further enhance the delivery effect of menthol, it is preferable that the above-mentioned value RZMa is ensured to be 0.03 or more. In this case, the filter material of the menthol generation source can be formed from one of a paper material and a non-woven fabric of pulp, and the menthol is applied to the filter material in the form of a solution dissolved in a solvent of alcohols or Daricols. It has been added.
[0014] アルコール類の溶剤にはエタノール、メタノール、ベンジンアルコール、グリセリン等 が含まれ、そして、グリコール類の溶剤にはプロピレングリコール、ポリエチレングリコ ール等が含まれる。また、メンソール溶液はフィルタ材が圧縮成形される前段にて、フ ィルタ材に添加されるのが好ましい。  [0014] The alcohol solvent includes ethanol, methanol, benzene alcohol, glycerin, and the like, and the glycol solvent includes propylene glycol, polyethylene glycol, and the like. The menthol solution is preferably added to the filter material before the filter material is compression molded.
[0015] 具体的には、メンソールホルダは、チヤコールフィルタと一体に形成され且つチャコ ールフィルタ力も突出する中空の円筒形状をなすことができる。この場合、メンソール ホルダはその内部にメンソール発生源を収容する凹所を有する。 [0015] Specifically, the menthol holder can be formed in a hollow cylindrical shape that is formed integrally with the charcoal filter and protrudes the charcoal filter force. In this case, menthol The holder has a recess for receiving the menthol generation source.
[0016] また、メンソールホルダは、チヤコールフィルタとは別部材として形成された中空円 筒状のジョイントホルダであってもよぐこのジョイントホルダは、チヤコールフィルタの 端部を受け入れるための一端部と、メンソール発生源を収容するための他端部とを 有する。  [0016] The menthol holder may be a hollow cylindrical joint holder formed as a separate member from the charcoal filter. The joint holder has one end for receiving the end of the charcoal filter. And the other end for accommodating the menthol generation source.
[0017] 更には、メンソールホルダは、チヤコールフィルタとは別部材として形成された円筒 状のジョイントホルダであってもよぐこのジョイントホルダはその一端部にチヤコール フィルタの端部を受け入れるための凹所と、メンソール発生源を収容した他端部とを 有する。  [0017] Further, the menthol holder may be a cylindrical joint holder formed as a separate member from the charcoal filter. The joint holder has a recess for receiving the end of the charcoal filter at one end thereof. And a second end portion containing the menthol generation source.
発明の効果  The invention's effect
[0018] 上述したメンソール送出システムによれは、喫煙の直前に、チヤコールフィルタ及び メンソール発生源が組み合わされるので、フィルタシガレットの喫煙時、主流煙中の 蒸気相成分の低減と、主流煙へのメンソールの効果的な芳香付けとの両立が可能と なる。  [0018] According to the menthol delivery system described above, since the Tiacol filter and the menthol generation source are combined immediately before smoking, when the filter cigarette is smoked, the vapor phase component in the mainstream smoke is reduced and the mainstream smoke is reduced. It is possible to achieve both menthol and effective fragrance.
図面の簡単な説明  Brief Description of Drawings
[0019] [図 1]第 1実施例のメンソール送出システムを示した図である。 FIG. 1 is a view showing a menthol delivery system of a first embodiment.
[図 2]第 2実施例のメンソール送出システムを示した図である。  FIG. 2 is a view showing a menthol delivery system of a second embodiment.
[図 3]第 3実施例のメンソール送出システムを示した図である。  FIG. 3 is a view showing a menthol delivery system of a third embodiment.
[図 4]セルロースアセテートの繊維束カゝら形成されたフィルタ材を含むメンソール発生 源を示した図である。  FIG. 4 is a view showing a menthol generation source including a filter material formed from a fiber bundle of cellulose acetate.
[図 5]紙素材カゝら形成されたフィルタ材を含むメンソール発生源を示示した図である。  FIG. 5 is a view showing a menthol generation source including a filter material formed from a paper material cover.
[図 6]ノ ルプの不織布力も形成されたフィルタ材を含むメンソール発生源を示した図 である。  [Fig. 6] A diagram showing a menthol generation source including a filter material in which a nonwoven fabric force of a loop is also formed.
[図 7]セルロースアセテートの繊維束を熱成形して得たフィルタ材を含むメンソール発 生源を示した図である。  FIG. 7 is a view showing a menthol generation source including a filter material obtained by thermoforming a fiber bundle of cellulose acetate.
[図 8]第 1〜第 3実施例のシステムに対して比較されるフィルタシガレットを (a)〜（c) にそれぞれ示す。  [FIG. 8] Filter cigarettes to be compared with the systems of the first to third embodiments are shown in (a) to (c), respectively.
[図 9]主流煙中の蒸気相成分の低減に関して、実施例と比較例とを比較した結果を 示すグラフである。 [Figure 9] The results of a comparison between the example and the comparative example regarding the reduction of the vapor phase component in the mainstream smoke It is a graph to show.
[図 10]メンソールの送出量に関し、実施例と比較例とを比較した結果を示すグラフで ある。  FIG. 10 is a graph showing the result of comparing an example and a comparative example regarding the amount of menthol delivered.
[図 11]メンソールの添カ卩量とメンソールの送出量との関係において、実施例のシステ ム AMF, PMFを比較して示したグラフである。  FIG. 11 is a graph showing a comparison between the systems AMF and PMF of Examples in relation to the amount of menthol sprinkling and the amount of menthol delivered.
[図 12]メンソールの送出量とその経時変化との関係において、システム AMF, PMF を比較して示したグラフである。  FIG. 12 is a graph showing a comparison of system AMF and PMF in relation to the amount of menthol delivered and its change over time.
[図 13]チヤコール添カ卩量とメンソールの送出量との関係について、システム AMF, P MFを比較して示すグラフである。  FIG. 13 is a graph showing a comparison between the system AMF and the PMF regarding the relationship between the amount of coal-capped coffee and the amount of menthol delivered.
発明を実施するための最良の形態  BEST MODE FOR CARRYING OUT THE INVENTION
[0020] 図 1のメンソール送出システムは、チヤコールタイプのフィルタシガレット 2と、円筒状 のメンソール発生源 4とを備えている。フィルタシガレット 2は、シガレット 6と、このシガ レット 6の一端に接続されたチヤコールフィルタ 8とを含む。具体的には、チヤコールフ ィルタ 8は、フィルタプラグ 10と、このフィルタプラグ 10とシガレット 6とを接続するチッ プぺーパ 12とを有し、チップぺーパ 12はシガレット 6の一端からフィルタプラグ 10に 亘り、シガレット 6及びフィルタプラグ 10の双方に卷付けられている。フィルタプラグ 1 0は、セルロースアセテート繊維の束と、この束中に分布された活性炭の粒子と、束を 円筒状に包み込む包材とを含む。  [0020] The menthol delivery system of FIG. 1 includes a charcoal type filter cigarette 2 and a cylindrical menthol generation source 4. The filter cigarette 2 includes a cigarette 6 and a charcoal filter 8 connected to one end of the cigarette 6. Specifically, the charcoal filter 8 has a filter plug 10 and a chip paper 12 for connecting the filter plug 10 and the cigarette 6. The chip paper 12 is connected to the filter plug 10 from one end of the cigarette 6. It is attached to both the cigarette 6 and the filter plug 10. The filter plug 10 includes a bundle of cellulose acetate fibers, activated carbon particles distributed in the bundle, and a packaging material that wraps the bundle in a cylindrical shape.
[0021] 図 1から明らかなように、チップぺーパ 12はフィルタプラグ 10から突出し、その内部 に円筒状の凹所 14を有しており、この凹所 14はチヤコールフィルタ 8を所謂、リセス フィルタ (recess filter)に形成する。  As is apparent from FIG. 1, the chip paper 12 protrudes from the filter plug 10 and has a cylindrical recess 14 in the inside thereof. Form a filter (recess filter).
[0022] 凹所 14はメンソール発生源 4を差し込み可能な内径を有し、メンソール発生源 4の ためのメンソールホルダを形成する。即ち、メンソール発生源 4はフィルタシガレット 2 が喫煙される直前に、凹所 14内に差し込まれ、そして、収容される。  The recess 14 has an inner diameter into which the menthol generation source 4 can be inserted, and forms a menthol holder for the menthol generation source 4. That is, the menthol source 4 is inserted into the recess 14 and contained immediately before the filter cigarette 2 is smoked.
[0023] 通常、フィルタシガレット 2は通常 20本入りのシガレットパッケージとして喫煙者に提 供されるが、メンソール発生源 4もまた個々に気密に包装された形態、又は、 20個単 位で気密に包装された形態にして喫煙者に提供される。なお、メンソール発生源 4の 具体的な構成については後述する。 [0024] 図 2は、第 2実施例のメンソール送出システムを示す。 [0023] Normally, the filter cigarette 2 is usually provided to the smoker as a package of 20 cigarettes, but the menthol source 4 is also individually airtightly packaged or airtight in units of 20. Provided to smokers in packaged form. The specific configuration of the menthol generation source 4 will be described later. [0024] FIG. 2 shows a menthol delivery system according to a second embodiment.
第 2実施例のシステムは、フィルタシガレット 16と、メンソール発生源 4と、中空円筒 状のジョイントホルダ 18とを備え、このジョイントホルダ 18はフィルタシガレツト 16とメ ンソール発生源 4とを互 、に結合することができる。  The system of the second embodiment includes a filter cigarette 16, a menthol generation source 4, and a hollow cylindrical joint holder 18. The joint holder 18 connects the filter cigarette 16 and the menthol generation source 4 to each other. Can be combined.
[0025] フィルタシガレット 16は第 1実施例のフィルタシガレット 2に対して、そのチヤコール フィルタの形態のみが異なる。詳しくは、フィルタシガレット 16のチヤコールフィルタ 2 0は前述した凹所 14を有しておらず、チップぺーパ 12の端及びフィルタプラグ 10の 端面は同一の面内にある。  [0025] The filter cigarette 16 is different from the filter cigarette 2 of the first embodiment only in the form of the charcoal filter. Specifically, the charcoal filter 20 of the filter cigarette 16 does not have the recess 14 described above, and the end of the tip paper 12 and the end face of the filter plug 10 are in the same plane.
[0026] 一方、ジョイントホルダ 18は環状のストッパ 24を有する。このストッパ 24はジョイント ホルダ 18の内周面から突出し、ジョイントホルダ 18内を一対の凹所 26, 28に区画す る。フィルタシガレット 16の喫煙に先立ち、一方の凹所 26にはフィルタシガレット 16 のチヤコールフィルタ 20の一部が差し込まれ、これに対し、他方の凹所 28にはメンソ ール発生源 4が差し込まれ、凹所 28内に収容される。  On the other hand, the joint holder 18 has an annular stopper 24. The stopper 24 protrudes from the inner peripheral surface of the joint holder 18 and divides the inside of the joint holder 18 into a pair of recesses 26 and 28. Prior to smoking the filter cigarette 16, a portion of the filter 20 of the filter cigarette 16 is inserted into one recess 26, while a menthol source 4 is inserted into the other recess 28. , Housed in recess 28.
[0027] 図 3は、第 3実施例のメンソール送出システムを示す。  [0027] FIG. 3 shows a menthol delivery system according to a third embodiment.
第 3実施例のシステムは、フィルタシガレット 17と、メンソールホルダ 19とを備える。 フィルタシガレット 17もまた、第 1及び第 2実施例のフィルタシガレット 2, 16に対して、 チヤコールフィルタの形態のみが異なる。即ち、フィルタシガレット 17のチヤコールフ ィルタ 21は所謂、デュアルフィルタであって、チヤコールフィルタ要素 CF及びァセテ ートフィルタ要素 AFとを有する。チヤコールフィル要素 CFは前述したフィルタプラグ 10と同一の構造を有し、一方、アセテートフィルタ要素 AFはフィルタプラグ 10から活 性炭の粒子が除かれており、これらフィルタ要素 CF, AFの合計長さはフィルタプラグ 10の長さと同一である。  The system of the third embodiment includes a filter cigarette 17 and a menthol holder 19. The filter cigarette 17 is also different from the filter cigarettes 2 and 16 of the first and second embodiments only in the form of the charcoal filter. That is, the charcoal filter 21 of the filter cigarette 17 is a so-called dual filter and includes a charcoal filter element CF and a ferrite filter element AF. The charcoal fill element CF has the same structure as the filter plug 10 described above, while the acetate filter element AF is obtained by removing activated carbon particles from the filter plug 10 and the total length of these filter elements CF and AF. The length is the same as the length of the filter plug 10.
[0028] 一方、メンソールホルダ 19は、前述したメンソール発生源 4と、この発生源 4を囲む 円筒状のシース 23とを含む。メンソール発生源 4はシース 23の一端部に位置付けら れ、シース 23の他端部を凹所 25として形成する。この凹所 25はフィルタシガレット 17 のチヤコールフィルタ 21を差込み可能とする内径を有する。  On the other hand, the menthol holder 19 includes the menthol generation source 4 described above and a cylindrical sheath 23 surrounding the generation source 4. The menthol generation source 4 is positioned at one end of the sheath 23, and the other end of the sheath 23 is formed as a recess 25. The recess 25 has an inner diameter that allows the insertion of the charcoal filter 21 of the filter cigarette 17.
[0029] それ故、フィルタシガレット 17の喫煙時、メンソールホルダ 19はその凹所 25にフィ ルタシガレット 17におけるチヤコールフィルタ 21の一端部を受け入れることにより、フ ィルタシガレツト 17に結合される。 [0029] Therefore, when the filter cigarette 17 is smoked, the menthol holder 19 receives the one end of the charcoal filter 21 in the filter cigarette 17 in the recess 25, thereby Connected to the filter 17.
[0030] 図 4〜図 7はメンソール発生源 4を具体的に示す。  4 to 7 specifically show the menthol generation source 4.
図 4のメンソール発生源 4は、前述したフィルタプラグ 10と同様にセルロースァセテ ートの繊維束からなるフィルタ材 30と、このフィルタ材 30を円筒状に包み込む包材 3 2と、フィルタ材 30中に添カ卩されたメンソールとからなる。  The menthol generation source 4 in FIG. 4 includes a filter material 30 composed of a fiber bundle of cellulose acetate in the same manner as the filter plug 10 described above, a packaging material 32 that wraps the filter material 30 in a cylindrical shape, and a filter material 30 It consists of menthol attached inside.
[0031] 図 5メンソール発生源 4はフィルタ材 30の代わりに、紙素材を円筒状に成形したフィ ルタ材 34を有する点のみで、図 4のメンソール発生源 4とは異なる。  [0031] FIG. 5 The menthol generation source 4 differs from the menthol generation source 4 of FIG. 4 only in that it has a filter material 34 in which a paper material is formed into a cylindrical shape instead of the filter material 30.
[0032] 図 6のメンソール発生体源 4は、フィルタ材 30の代わり〖こ、パルプの不織布を円筒 状に成形したフィルタ材 36を有する点のみで、図 4のメンソール発生源 4とは異なる。  The menthol generator source 4 in FIG. 6 differs from the menthol generator 4 in FIG. 4 only in that it has a filter material 36 in which a non-woven fabric of pulp is formed into a cylindrical shape instead of the filter material 30.
[0033] 図 7のメンソール発生源 4は、フィルタ材 30の外周面を熱成形して得られる円筒状 の被覆 38を有し、この被覆 38が包材 32の代わりに使用されている点のみで、図 4の メンソール発生源 4とは異なる。  [0033] The menthol generation source 4 in FIG. 7 has a cylindrical coating 38 obtained by thermoforming the outer peripheral surface of the filter material 30, and this coating 38 is used only in place of the packaging material 32. This is different from menthol source 4 in Fig. 4.
[0034] 図 4〜図 7のメンソール発生源 4の場合、メンソールは溶剤に溶力された液の状態 で、そのフィルタ材中に添カ卩され、添カ卩量の上限値は 8mgである。なお、図 5, 6のメ ンソール発生源 4の場合、メンソールのための溶剤にはアルコール類溶剤（エタノー ル、メタノール、ベンジンアルコール、グリセリン等)若しくはグリコール類溶剤（プロピ レンダリコール、ポリエチレングリコール等）を使用することができる。  [0034] In the case of the menthol generation source 4 shown in Figs. 4 to 7, the menthol is in a liquid state dissolved in a solvent and added to the filter material, and the upper limit value of the added amount is 8 mg. . In the case of menthol generation source 4 in FIGS. 5 and 6, alcohol solvents (ethanol, methanol, benzine alcohol, glycerin, etc.) or glycol solvents (propylene recall, polyethylene glycol, etc.) are used as solvents for menthol. Can be used.
[0035] 上述した第 1〜第 3実施例のシステムの機能を検証するため、図 8の（a)〜（c)に示 される比較例 C1〜C3がそれぞれ準備された。  [0035] In order to verify the functions of the systems of the first to third embodiments described above, comparative examples C1 to C3 shown in (a) to (c) of Fig. 8 were prepared.
[0036] 比較例 C1のフィルタシガレットは、シガレット MCと、このシガレット MCの一端に接 続されたデュアルフィルタ DFとを含み、シガレット MCはその刻たばこに添加されたメ ンソールを有する。デュアルフィルタ DFは第 3実施例のチヤコールフィルタ 21と同様 なチヤコールフィルタ要素 CF及びアセテートフィルタ要素 AFを有する。  [0036] The filter cigarette of Comparative Example C1 includes a cigarette MC and a dual filter DF connected to one end of the cigarette MC, and the cigarette MC has a menthol added to the cigarette. The dual filter DF has the same charcoal filter element CF and acetate filter element AF as the charcoal filter 21 of the third embodiment.
[0037] 比較例 C2のフィルタシガレットは、シガレット MC，と、デュアルフィルタ DFとを含み 、シガレット MC'はその刻みたばこ中に添カ卩された粒子状のメンソールカプセルを有 する。シガレット MC'の喫煙時、メンソールカプセルは主流煙の熱により破壊され、メ ンソールを放出する。それ故、比較例 C2のフィルタシガレットは喫煙前において、チ ャコールフィルタ要素 CF中の活性炭の粒子にメンソールが吸着されてしまうことはな い。 [0037] The filter cigarette of Comparative Example C2 includes a cigarette MC and a dual filter DF, and the cigarette MC 'has a particulate menthol capsule attached to the cut tobacco. When smoking Cigarette MC ', the menthol capsule is destroyed by the heat of mainstream smoke and releases menthol. Therefore, the filter cigarette of Comparative Example C2 never adsorbs menthol to the activated carbon particles in the charcoal filter element CF before smoking. Yes.
[0038] 比較例 C3のフィルタシガレットは、メンソールを含まない通常のプレーンシガレット P [0038] The filter cigarette of Comparative Example C3 is an ordinary plain cigarette P that does not contain menthol.
Cと、アセテートフィルタ要素 AFの代わりにメンソール発生源 4と同様なメンソールフ ィルタ MFを有したデュアルフィルタ DFを含んでいる。 C and a dual filter DF having a menthol filter MF similar to the menthol generation source 4 in place of the acetate filter element AF.
[0039] 比較例 C1〜C3及び本発明の複数の実施例 E (図 1〜図 3のシステム）に対して喫 煙試験がそれぞれ実施され、主流煙中の蒸気相成分の低減率及びメンソールの送 出量に関する測定結果を図 9及び図 10にそれぞれ示す。 [0039] A smoke test was performed on each of Comparative Examples C1 to C3 and a plurality of Examples E of the present invention (the system shown in FIGS. 1 to 3), and the reduction rate of the vapor phase component in the mainstream smoke and Figures 9 and 10 show the measurement results for the delivery volume.
[0040] 比較例 C1〜C3及び実施例 Eにおいて、チヤコールフィルタに含まれる活性炭の粒 子の量、即ち、チヤコール量は何れも 140mgであり、そして、フィルタシガレット全体 の通気度 Vfcは、フィルタシガレットからのタールの送出量がそれぞれ 6mgとなるよう に設定されている [0040] In Comparative Examples C1 to C3 and Example E, the amount of activated carbon particles contained in the thiacol filter, that is, the amount of thiacol is 140 mg, and the air permeability Vfc of the entire filter cigarette is The amount of tar delivered from the cigarette is set to 6 mg each.
[0041] 図 9から明らかなように、比較例 C2及び実施例 Eは比較例 CI, C3に比べて蒸気 相成分の低減率が高い。このことは、実施例 Eの場合、活性炭の粒子がその本来の 機能を十分に発揮することを示す。即ち、喫煙に先立つ段階で、実施例 Eのシステム のメンソールは、チヤコールフィルタ（8, 20, CF)から分離されており、活性炭の粒子 力 Sメンソールを吸着することはな 、。  As is clear from FIG. 9, Comparative Example C2 and Example E have a higher reduction rate of the vapor phase component than Comparative Examples CI and C3. This indicates that in Example E, the activated carbon particles sufficiently perform their original functions. That is, at the stage prior to smoking, the menthol of the system of Example E is separated from the Tyacol filter (8, 20, CF) and does not adsorb the activated carbon particle force S menthol.
[0042] なお、比較例 C2の場合、メンソールがカプセル化された状態で、シガレット MC'内 に含まれているため、喫煙前の段階にて、メンソールがチヤコールフィルタ要素 CFの 活性炭の粒子に吸着されることはない。それ故、比較例 C2の活性炭の粒子もまた、 実施例 Eの活性炭の粒子と同様に、本来の機能を十分に発揮することができる。  [0042] In the case of Comparative Example C2, since the menthol is encapsulated and contained in the cigarette MC ', the menthol is converted into activated carbon particles of the Cyacol filter element CF at the stage before smoking. It is not adsorbed. Therefore, the activated carbon particles of Comparative Example C2 can also fully perform their original functions in the same manner as the activated carbon particles of Example E.
[0043] これに対し、比較例 CI, C3の場合、メンソールとチヤコールフィルタ要素 CFとが隣 接しているため、喫煙前の段階でメンソールが活性炭の粒子に吸着されてしまう。こ のため、比較例 CI, C3の活性炭の粒子は主流煙中の蒸気相成分を吸着する本来 の機能を十分に発揮することができな 、。  [0043] On the other hand, in Comparative Examples CI and C3, menthol is adsorbed to the activated carbon particles before smoking because menthol and Tiacol filter element CF are adjacent to each other. For this reason, the activated carbon particles of Comparative Examples CI and C3 cannot fully perform the original function of adsorbing vapor phase components in mainstream smoke.
[0044] 一方、喫煙時、主流煙に付加されるメンソールの量、即ち、メンソールの送出量に ついてみても、図 10から明らかなように、実施例 Eのメンソールの送出量は比較例 C 1, C3に比べて高い。これも、喫煙前の段階で、メンソールが活性炭の粒子に吸着さ れな ヽこと〖こよる。 [0045] ここで、比較例 C2の場合には、喫煙時、メンソールが付加された主流煙がチャコ一 ルフィルタ要素 CFを通過した後に、喫煙者の口内に達するため、この時点で、メンソ ールが活性炭の粒子に吸着されてしまう。このため、比較例 Cのメンソール送出量は 大きく低下する。 [0044] On the other hand, when smoking, the amount of menthol added to the mainstream smoke, that is, the amount of menthol delivered, is clear from FIG. , Higher than C3. This is also because menthol is not adsorbed by activated carbon particles before smoking. [0045] Here, in the case of Comparative Example C2, during smoking, the mainstream smoke with menthol added reaches the smoker's mouth after passing through the charcoal filter element CF. Will be adsorbed by the activated carbon particles. For this reason, the amount of menthol delivered in Comparative Example C is greatly reduced.
[0046] 図 4及び図 5のメンソール発生源 4に関し、メンソール添カ卩量、タール送出量及びメ ンソール送出量をそれぞれ測定した結果を添加量に対する送出量の比とともに以下 の表 1に示す。図 11は表 1のメンソール添カ卩量とメンソール送出量との関係を表した グラフである。  [0046] With respect to the menthol generation source 4 in Figs. 4 and 5, the results of measurement of the amount of menthol feed, tar delivery, and menthol delivery are shown in Table 1 below together with the ratio of the delivery to the addition. Fig. 11 is a graph showing the relationship between the amount of menthol and the amount of menthol delivered in Table 1.
[表 1]  [table 1]
Figure imgf000011_0001
表 1及び図 11中、 AMF, PMFは図 4及び図 5のメンソール発生源 4をそれぞれ使 用した発明のシステムを示し、 KMは図 8 (a)の比較例 C1のチヤコールフィルタシガ レットを示す。 [0048] 図 11から明らかなように、メンソールの添カ卩量が同一であっても、システム AMFは KMよりもメンソール送出量が高い。この理由は、システム KMのシガレット MC'がメ ンソールを含んでいるため、喫煙時、シガレット MC'から主流煙とともに送出されたメ ンノールがデュアルフィルタ DF通過するとき、メンソールがデュアルフィルタ DFのチ ャコールフィルタ要素 CFに吸着されることによる。これに対し、システム AMFは喫煙 時、その吸口端にメンソール発生源 4が位置付けられるので、喫煙時、メンソールが 活性炭の粒子に吸着されることは殆ど無い。この結果、タール送出量が同一である 場合、システム AMFは KMに比べて、メンソールの解放効率が高い。
Figure imgf000011_0001
In Table 1 and Fig. 11, AMF and PMF indicate the inventive system using the menthol generation source 4 of Figs. 4 and 5, respectively, and KM indicates the Ciacole filter cigarette of Comparative Example C1 of Fig. 8 (a). Show. [0048] As is apparent from FIG. 11, the system AMF has a higher menthol delivery amount than the KM even if the amount of menthol feed is the same. The reason for this is that cigarette MC 'of system KM contains menthol, so when smoking, the menthol sent along with mainstream smoke from cigarette MC' passes through dual filter DF, and the menthol is the dual filter DF chaser. Call filter element By adsorbing to CF. On the other hand, the menthol generation source 4 is positioned at the inlet end of the system AMF during smoking, so that the menthol is hardly adsorbed by the activated carbon particles during smoking. As a result, when tar output is the same, system AMF has higher menthol release efficiency than KM.
[0049] 更に、図 11は、システム AMFに比べてシステム PMFのメンソール送出量が高いこ とも示している。この理由として、システム AMFの場合、メンソール発生源 4のフィル タ材 30がセルロースアセテートの繊維束から形成され、通常、この種のフィルタ材 30 にはその繊維束を硬化させるトリァセチンが可塑剤として使用されているので、メンソ ールがトリァセチンとともに、セルロースアセテート繊維に収着されことが考えられる。 つまり、システム AMFは、メンソールの送出を抑制する現象を引き起す。  [0049] Further, FIG. 11 also shows that the menthol delivery amount of the system PMF is higher than that of the system AMF. This is because, in the case of System AMF, the filter material 30 of the menthol source 4 is formed from a fiber bundle of cellulose acetate, and this type of filter material 30 usually uses triacetin as a plasticizer to cure the fiber bundle. Therefore, it is considered that menthol is sorbed on cellulose acetate fiber together with triacetin. In other words, the system AMF causes a phenomenon that suppresses menthol delivery.
[0050] これに対し、システム PMFの場合、メンソール発生源 4のフィルタ材 34は紙素材か ら形成されているので、システム PMFの上述の不具合を被ることが無い。それ故、シ ステム PMFは、システム AMFに比べてメンソールの送出量を増加させることができ る。  [0050] On the other hand, in the case of the system PMF, the filter material 34 of the menthol generation source 4 is formed of a paper material, and thus does not suffer from the above-described problems of the system PMF. Therefore, the system PMF can increase the amount of menthol delivered compared to the system AMF.
[0051] 上述の理由から、メンソール力メンソール溶剤の形態でフィルタ材 34に添加される 場合、前述したアルコール類又はダリコール類の溶剤がメンソールに対する溶剤とし て使用するのが好ましぐ溶剤としてのトリァセチンの使用は避けるべきである。  [0051] For the reasons described above, when added to the filter material 34 in the form of a menthol force menthol solvent, triacetin as a solvent that is preferably used as a solvent for menthol is the solvent of alcohols or darlicol described above. Should be avoided.
[0052] また、表 1から明らかなように、メンソール送出量 (Md)とタール送出量 (Tar)との比 R(MdZTar)カ ンソール添カ卩量（Ma)で除算された値 (RZMa)に関して、 PMF, AMF, KMが比較されたとき、システム AMFの値（RZMa)は KMの値（RZMa)よ りも大きぐ 0. 02以上に確保されていることが分かる。それ故、システム AMFは KM に比べて、要求されるメンソール送出量に対するメンソール添加量を削減可能である  [0052] Further, as is clear from Table 1, the ratio of the menthol delivery amount (Md) to the tar delivery amount (Tar) R (MdZTar) divided by the amount of masonry feed (Ma) (RZMa) When PMF, AMF, and KM are compared, it can be seen that the value of system AMF (RZMa) is secured to 0.02 or more, which is larger than the value of KM (RZMa). Therefore, the system AMF can reduce the amount of menthol added to the required menthol delivery compared to KM.
[0053] 更に、システム PMFの値（RZMa)は、システム AMFの値（RZMa)よりも更に大 きぐ 0. 03以上に確保されているので、要求されるメンソール送出量に対するメンソ ール添加量を更に削減可能である。 [0053] Further, the value of system PMF (RZMa) is larger than the value of system AMF (RZMa). Since it is secured at 0.03 or more, the amount of menthol added to the required amount of menthol delivered can be further reduced.
[0054] なお、図 6, 7のメンソール発生源 4を使用したシステムにあっても、上述の利点を有 することは言うまでもない。 [0054] Needless to say, the system using the menthol generation source 4 of Figs. 6 and 7 has the above-described advantages.
[0055] 図 12はメンソールの送出量に関して、その経時変化を示す。 [0055] FIG. 12 shows the change with time of the delivery amount of menthol.
図 12から明らかなように、システム PMFの場合、 日数が経過してもメンソールの送 出量は殆ど変化しないのに対し、システム AMFの場合、メンソールの送出量は日数 の経過に伴い減少する。それ故、システム PMFはシステム AMFに比べ、メンソール の保持能力が高い。  As is clear from Fig. 12, in the case of system PMF, the amount of menthol delivered hardly changes even when the number of days elapses, whereas in the case of system AMF, the amount of menthol delivered decreases with the passage of days. Therefore, the system PMF has higher menthol retention capacity than the system AMF.
[0056] 更に、図 13は、チヤコールフィルタに添加される活性炭の粒子量、即ち、チャコ一 ル量とメンソールの送出量との関係を示す。  [0056] FIG. 13 shows the relationship between the amount of activated carbon particles added to the thiacoal filter, that is, the amount of charcoal and the amount of menthol delivered.
[0057] 図 13から明らかなように、システム AMFの場合、チヤコール量が増加すればする ほど、メンソールの送出量は減少する。これに対し、システム PMFの場合、チャコ一 ル量に拘わらず、メンソールの送出量はほぼ一定である。この結果、本発明の実施 に際し、図 4及び図 7のメンソール発生源 4よりも図 5及び図 6のメンソール発生源 4の 方が好適する。  [0057] As is apparent from FIG. 13, in the case of the system AMF, the amount of menthol delivered decreases as the amount of the tea call increases. On the other hand, in the case of the system PMF, the menthol delivery amount is almost constant regardless of the amount of charcoal. As a result, in the practice of the present invention, the menthol generation source 4 of FIGS. 5 and 6 is preferred to the menthol generation source 4 of FIGS. 4 and 7.
[0058] なお、図 12及び図 13中において、 AMF, PMFの後ろに付カ卩した数値はメンソ一 ルの添加量を示す。  In FIG. 12 and FIG. 13, the numerical value attached after AMF and PMF indicates the amount of mentole added.
[0059] 本発明は上述の実施例に制約されず、種々の変形が可能である。 The present invention is not limited to the above-described embodiments, and various modifications can be made.
例えば、図 2のシステムは、ジョイントホルダ 18に取り外し可能に取付け可能なマウ スピースを更に含むことができる。  For example, the system of FIG. 2 can further include a mouse piece that can be removably attached to the joint holder 18.

Claims

請求の範囲 The scope of the claims
[1] シガレット及び円筒状のチヤコールフィルタを備え、前記チヤコールフィルタがその 内部に分布された活性炭の粒子を含む、チヤコールフィルタシガレットと、 前記フィルタシガレット自身又は前記フィルタシガレットとは別に準備され、前記フィ ルタシガレットの喫煙時、前記フィルタシガレットから発生する主流煙の流れ方向で みて前記チヤコールフィルタの下流に位置付けられるメンソールホルダと、  [1] A cigarette filter cigarette provided with a cigarette and a cylindrical charcoal filter, the charcoal filter containing activated carbon particles distributed therein, and the filter cigarette itself or the filter cigarette prepared separately A menthol holder positioned downstream of the charcoal filter in the direction of mainstream smoke generated from the filter cigarette when smoking the filter cigarette;
前記フィルタシガレットの喫煙前には前記フィルタシガレットと分離した状態で準備 され、前記喫煙の直前に前記メンソールホルダを介して前記フィルタシガレットに組 み合わされることで、喫煙時、前記主流煙にメンソールを付加するメンソール発生源 と  Before smoking the filter cigarette, it is prepared in a state separated from the filter cigarette, and is combined with the filter cigarette via the menthol holder immediately before the smoking, so that the menthol is attached to the mainstream smoke during smoking. Additional menthol source and
を具備したチヤコールフィルタシガレットのためのメンソール送出システム。  A menthol delivery system for a Ciacoal filter cigarette equipped with
[2] 前記メンソールホルダは前記メンソール発生源を収容可能であり、  [2] The menthol holder can accommodate the menthol generation source,
前記メンソールホルダ及び前記メンソール発生源は、前記チヤコールフィルタと同 様な円筒状をなしている、請求項 1のメンソール送出システム。  2. The menthol delivery system according to claim 1, wherein the menthol holder and the menthol generation source have a cylindrical shape similar to that of the Cyacoal filter.
[3] 前記メンソール発生源は、フィルタ材と、このフィルタ材に添加されたメンソールとを 含む、請求項 2のメンソール送出システム。  [3] The menthol delivery system according to claim 2, wherein the menthol generation source includes a filter material and a menthol added to the filter material.
[4] 前記メンソール発生源の製造時、前記フィルタ材中に添加されたメンソールの添カロ 量が Maで表され、且つ、前記フィルタシガレットの喫煙時、前記主流煙とともに前記 メンソール発生源を通じて送出されるタール及びメンソールの送出量に関し、タール の送出量 (Tar)に対するメンソールの送出量（Md)の比が R (Md/Tar)で表される とき、前記メンソール発生源は、 RZMa≥0. 02を満たす特性を有する、請求項 3の メンソール送出システム。  [4] When the menthol generation source is manufactured, the amount of added menthol added to the filter material is represented by Ma, and when the filter cigarette is smoked, it is sent together with the mainstream smoke through the menthol generation source. When the ratio of the menthol delivery rate (Md) to the tar delivery rate (Tar) is expressed as R (Md / Tar), the menthol source is RZMa≥0.02. 4. The menthol delivery system of claim 3, wherein the menthol delivery system has characteristics satisfying:
[5] 前記フィルタ材は、セルロースアセテートの繊維束力 形成されて 、る、請求項 4の メンソール送出システム。  5. The menthol delivery system according to claim 4, wherein the filter material is formed by a fiber bundle force of cellulose acetate.
[6] 前記フィルタ材は、前記繊維束の外周面を熱成形して形成した円筒状の被覆を有 する、請求項 5のメンソール送出システム。  6. The menthol delivery system according to claim 5, wherein the filter material has a cylindrical coating formed by thermoforming the outer peripheral surface of the fiber bundle.
[7] 前記メンソール発生源の製造時、前記フィルタ材中に添加されたメンソールの添カロ 量が Maで表され、且つ、前記フィルタシガレットの喫煙時、前記主流煙とともに前記 メンソール発生源を通じて送出されるタール及びメンソールの送出量に関し、タール の送出量 (Tar)に対するメンソールの送出量（Md)の比が R (Md/Tar)で表される とき、前記メンソール発生源は、 RZMa≥0. 03を満たす特性を有する、請求項 3の メンソール送出システム。 [7] When the menthol generation source is manufactured, the amount of added menthol added to the filter material is represented by Ma, and when the filter cigarette is smoked, the mainstream smoke is added together with the mainstream smoke. With respect to tar and menthol delivery amount delivered through the menthol generation source, when the ratio of the menthol delivery amount (Md) to the tar delivery amount (Tar) is represented by R (Md / Tar), the menthol generation source is The menthol delivery system according to claim 3, wherein the menthol delivery system has characteristics satisfying RZMa≥0.03.
[8] 前記フィルタ材は、紙素材及びパルプの不織布の一方カゝら形成されて ヽる、請求 項 7のメンソール送出システム。 8. The menthol delivery system according to claim 7, wherein the filter material is formed from one of a paper material and a nonwoven fabric of pulp.
[9] 前記メンソールは、アルコール類又はダリコール類の溶剤に溶解された溶液の形態 で、前記フィルタ材に添加されている、請求項 7のメンソール送出システム。 9. The menthol delivery system according to claim 7, wherein the menthol is added to the filter material in the form of a solution dissolved in a solvent of alcohols or dalicols.
[10] 前記メンソールホルダは、前記チヤコールフィルタと一体に形成され且つ前記チヤ コールフィルタ力 突出する中空の円筒形状をなし、内部に前記メンソール発生源を 収容する凹所を有する、請求項 1のメンソール送出システム。 10. The menthol holder according to claim 1, wherein the menthol holder is formed in a hollow cylindrical shape integrally formed with the charcoal filter and protrudes from the charcoal filter force, and has a recess for accommodating the menthol generation source therein. Menthol delivery system.
[11] 前記メンソールホルダは、前記チヤコールフィルタとは別部材として形成された中空 円筒状のジョイントホルダであって、このジョイントホルダは、前記チヤコールフィルタ の端部を受け入れるための一端部と、前記メンソール発生源を収容するための他端 部とを有する、請求項 1のメンソール送出システム。 [11] The menthol holder is a hollow cylindrical joint holder formed as a separate member from the charcoal filter, and the joint holder includes one end for receiving the end of the charcoal filter; The menthol delivery system according to claim 1, further comprising: a second end portion for accommodating the menthol generation source.
[12] 前記メンソールホルダは、前記チヤコールフィルタとは別部材として形成された円筒 状のジョイントホルダであって、このジョイントホルダはその一端部に前記チヤコール フィルタの端部を受け入れるための凹所と、前記メンソール発生源を収容した他端部 とを有する、請求項 1のメンソール送出システム。 [12] The menthol holder is a cylindrical joint holder formed as a separate member from the charcoal filter, and the joint holder has a recess for receiving the end of the charcoal filter at one end thereof. 2. The menthol delivery system according to claim 1, further comprising: the other end portion containing the menthol generation source.
PCT/JP2007/058088 2006-04-20 2007-04-12 Menthol delivery system for charcoal filter cigarette WO2007123046A1 (en)

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