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EP2415362B1 - Cigarette et procédé de traitement de matériaux de cigarette - Google Patents

Cigarette et procédé de traitement de matériaux de cigarette Download PDF

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Publication number
EP2415362B1
EP2415362B1 EP10758866.7A EP10758866A EP2415362B1 EP 2415362 B1 EP2415362 B1 EP 2415362B1 EP 10758866 A EP10758866 A EP 10758866A EP 2415362 B1 EP2415362 B1 EP 2415362B1
Authority
EP
European Patent Office
Prior art keywords
iron
cigarette
organic acid
transition metal
metal salt
Prior art date
Legal status (The legal status 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 status listed.)
Not-in-force
Application number
EP10758866.7A
Other languages
German (de)
English (en)
Other versions
EP2415362A1 (fr
EP2415362A4 (fr
Inventor
Kazunori Sugai
Yasunobu Inoue
Kiyohiro Sasakawa
Mitsuru Kondo
Tsutomu Sakai
Sadako Imai
Fumiko Murata
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Japan Tobacco Inc
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
Publication of EP2415362A1 publication Critical patent/EP2415362A1/fr
Publication of EP2415362A4 publication Critical patent/EP2415362A4/fr
Application granted granted Critical
Publication of EP2415362B1 publication Critical patent/EP2415362B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
    • A24B15/00—Chemical features or treatment of tobacco; Tobacco substitutes, e.g. in liquid form
    • A24B15/18—Treatment of tobacco products or tobacco substitutes
    • A24B15/28—Treatment of tobacco products or tobacco substitutes by chemical substances
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
    • A24B15/00—Chemical features or treatment of tobacco; Tobacco substitutes, e.g. in liquid form
    • A24B15/18—Treatment of tobacco products or tobacco substitutes
    • A24B15/28—Treatment of tobacco products or tobacco substitutes by chemical substances
    • A24B15/281—Treatment of tobacco products or tobacco substitutes by chemical substances the action of the chemical substances being delayed
    • A24B15/282—Treatment of tobacco products or tobacco substitutes by chemical substances the action of the chemical substances being delayed by indirect addition of the chemical substances, e.g. in the wrapper, in the case
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
    • A24B15/00—Chemical features or treatment of tobacco; Tobacco substitutes, e.g. in liquid form
    • A24B15/18—Treatment of tobacco products or tobacco substitutes
    • A24B15/28—Treatment of tobacco products or tobacco substitutes by chemical substances
    • A24B15/30—Treatment of tobacco products or tobacco substitutes by chemical substances by organic substances
    • 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

Definitions

  • the present invention relates to a cigarette and a method for treating a cigarette material.
  • a noble metal catalyst or a transition metal oxide catalyst is added to shredded tobacco, a cigarette paper or a filter to convert carbon monoxide into carbon dioxide.
  • Patent Literature 1 discloses that a catalyst made of Fe 2 O 3 nano-particles is added to a tobacco cut filler. However, a complicated process is required to prepare the finely divided metal oxide nano-particles.
  • Patent Literature 2 discloses that high-surface area carrier particles carrying nano-scale metal particles or metal oxide particles are added to a tobacco cut filler. However, in order to make high-surface area carrier particles that carry nano-scale metal particles or metal oxide particles, more complicated processes, for example, a process of deriving the high-surface area carrier particles from a colloidal solution, are required.
  • Patent Literature 3 discloses that a metal oxyhydroxide is added to a cigarette paper, tobacco cut filler, filter or the like. Patent Literature 3 shows in Table 1 that the CO reduction rate when the metal oxyhydroxide is added is 29%. This is lower than the CO reduction rate of 33% obtained when a metal oxide and calcium carbonate are added from the start as shown in Table 1.
  • US 3,612,063 discloses a cigarette comprising a shredded tobacco rod and a cigarette paper that wraps the outer peripheral surface of the shredded tobacco rod, wherein the shredded tobacco maintains a transitional metal salt of an organic acid, wherein the organic acid is oxalic acid or lactic acid, wherein the transition metal is at least one metal selected from the group consisting of Ti and Cu and wherein the transition metal salt of the organic acid is contained in an amount of up to 2% by weight in the shredded tobacco.
  • GB 1 070 437 discloses a cigarette comprising a shredded tobacco rod and a cigarette paper that wraps the outer peripheral surface of the shredded tobacco rod, wherein the shredded tobacco contains a transition metal salt of an organic acid, wherein the transition metal is Zr.
  • WO 2005/039326 describes the use of oxyhydroxide compounds in cigarette paper for reducing carbon monoxide in the mainstream smoke of a cigarette.
  • WO 2007/129222 describes a catalyst precursor, which can be incorporated into the cigarette paper making process or can be combined with cigarette paper after formation of the paper. During the smoking of the cigarette comprising said catalyst particles, the amount of carbon monoxide in the mainstream smoke of the cigarette can be reduced.
  • a cigarette comprising a shredded tobacco rod and a cigarette paper that wraps the outer peripheral surface of the shredded tobacco rod, wherein the shredded tobacco and/or the cigarette paper contains a transition metal salt of an organic acid selected from the group consisting of iron oxalate, iron fumarate, iron citrate and iron lactate.
  • a method for treating a cigarette material comprising treating shredded tobacco and/or cigarette paper with a transition metal salt of an organic acid selected from the group consisting of iron oxalate, iron fumarate, iron citrate and iron lactate.
  • carbon monoxide in cigarette mainstream smoke can be reduced significantly.
  • a cigarette according to the present invention comprises a shredded tobacco rod and a cigarette paper that wraps the outer peripheral surface of the rod.
  • the shredded tobacco is cut or shredded tobacco material and may contain adequate additives.
  • tobacco material tobacco leaves or stem of Burley tobaccos, flue-cured tobaccos or orient tobaccos, fermented tobacco, dark cured tobaccos or reconstituted tobacco materials or their combinations may be used.
  • the additives may include natural or synthetic flavors; polyhydric alcohols such as glycerol and propylene glycol; sugar alcohols such as erythritol, xylitol and sorbitol; and hyaluronic acid.
  • the cigarette paper that wraps the shredded tobacco rod is itself a cigarette paper used in ordinary cigarettes.
  • agricultural byproduct fibers such as bagasse, non-wood fibers such as bamboos and the like besides flax and wood may be used.
  • the cigarette paper may contain any one or more of aluminum hydroxide, aluminum sulfate, aluminum oxide, magnesium oxide, talc and titanium dioxide, and sodium, potassium, calcium or magnesium salts of carbonic acid, formic acid, acetic acid, malic acid, citric acid, tartaric acid, lactic acid or nitric acid as a white incineration agent and a burn adjusting agent.
  • a transition metal salt of an organic acid is contained in the shredded tobacco and/or cigarette paper.
  • the transition metal salt is selected from the group consisting of iron oxalate, iron fumerate, iron citrate and iron lactate.
  • the organic acid transition metal salt added to the shredded tobacco and/or the cigarette paper is decomposed when tobacco is burned and converted into a transition metal oxide which exerts a catalytic action, leading to reduction in carbon monoxide in mainstream smoke.
  • a catalyst is automatically produced by the combustion heat of a tobacco.
  • the organic acid transition metal salt functions as a precursor of the carbon monoxide reduction catalyst and produces the catalyst by burning of the cigarette.
  • the above organic acid transition metal salt is preferably contained in an amount of 1 to 50% by weight based on shredded tobacco.
  • the amount is less than 1% by weight, the carbon monoxide reduction capability tends not to be exerted sufficiently.
  • An amount exceeding 50% by weight makes it difficult to treat shredded tobacco and is therefore undesirable.
  • the organic acid transition metal salt is contained in the cigarette paper
  • the organic acid transition metal salt is preferably contained in an amount of 0.1 to 50 g/m 2 in the cigarette paper.
  • the amount is less than 0.1 g/m 2 , the carbon monoxide reduction capability tends not to be exerted sufficiently.
  • An amount exceeding 50 g/m 2 makes it difficult to treat cigarette paper.
  • the organic acid transition metal salt When the organic acid transition metal salt is contained in the cigarette paper, it preferably has a particle diameter of 0.05 to 5 ⁇ m from the viewpoint of the smoothness of the cigarette paper and retainability in the cigarette paper.
  • the present invention relates to a method for treating a cigarette material, comprising treating shredded tobacco and/or cigarette paper with the above organic acid transition metal salt.
  • the method for treating a cigarette material according to the present invention may be carried out, for example, by spreading a solution in which the above organic acid transition metal salt is dispersed in an organic solvent (which does not dissolve the organic acid transition metal salt) onto the shredded tobacco and/or the cigarette paper.
  • an organic solvent any organic solvent may be used, and alcohols such as ethanol may be mentioned.
  • An aqueous solvent dissolves the above organic acid transition metal salt, making it difficult to spread the salt in an amount exceeding the amount to be absorbed in the cigarette paper.
  • the emulsifier may be a known one which is used as a food additive, for example, lecithin.
  • the emulsifier may be used in an amount of 1 to 50% of the weight of the organic acid transition metal salt. When the amount is less than 1%, only insufficient dispersing effect is developed, whereas when the amount exceeds 50%, this is a hindrance to the decomposition of the organic acid transition metal salt.
  • the organic acid transition metal salt may be kneaded into the shredded tobacco or may be coated to the cigarette paper. Moreover, the organic acid transition metal salt may be furnished in the papermaking of cigarette paper.
  • the method for treating a cigarette material of the present invention is such a very simple method that a cigarette material (shredded tobacco and/or cigarette paper) is treated with the organic acid transition metal salt.
  • a simple method can reduce more carbon monoxide in mainstream smoke than an iron oxide nano-powder which is conventionally regarded as an excellent material.
  • iron citrate manufactured by Nacalai Tesque, Inc. and other iron salts of organic acids manufactured by Wako Pure Chemical Industries, Ltd. were used.
  • iron salt of the organic acid particles which passed through a 75 ⁇ m screen diameter were used.
  • FIG. 1 shows a device for analyzing the carbon monoxide reduction capability of an organic acid transition metal salt.
  • the iron salt of the organic acid of Example 1 containing iron in the amount shown in the Table 1 below was filled in a reaction tube 9 disposed in a heating furnace 8.
  • Carbon monoxide (CO) gas and carbon dioxide (CO 2 ) were supplied from gas cylinders 3 and 5 through mass flowmeters 4 and 6 respectively and water was weighed by an electronic balance 1 and supplied by a metering pump 2. The above water was made to flow through an evaporator 7 (200°C) together with the CO gas and CO 2 gas. The water was vaporized into water vapor.
  • a model gas (CO concentration: 4 mol%, CO 2 concentration: 8 mol%, H 2 O concentration: 10 mol%, nitrogen: balance) was prepared in the evaporator 7.
  • the flow rate of the model gas was set such that its space velocity (SV) was 500,000 h -1 and the model gas was made to flow through the layer of the iron salt of the organic acid filled in the reaction tube 9.
  • the model gas was made to flow for 3. 5 hours while heating the layer in the reaction tube 9 from 200 to 900°C.
  • PG is a pressure gauge
  • TIC is a temperature gauge used to measure the temperature of the tube wall of the reaction tube 9
  • TI is a temperature gauge used to measure the temperature of the filled layer.
  • the temperature measured by the temperature gauge TIC was used as a control monitor temperature when heating the reaction tube 9 by the furnace 8.
  • the gas flowed out of the reaction tube 9 was made to flow through a cooling trap 10 and then, the carbon monoxide was quantitatively measured by an infrared gas analyzer 11 manufactured by Horiba Ltd. (VIA-510, according to the nondispersive infrared absorption method).
  • the carbon monoxide removal rate was measured under the same conditions as in Example 1 except that an iron oxide (triiron tetraoxide) powder (manufactured by Sigma-Aldrich Corporation) was added in place of the organic acid iron salt.
  • Table 1 Temp. °C Gas flow rate NL/h Space velocity h -1 Additive Filled additive amount a) CO oxidation amount b) mmol-CO CO/Fe c) % CO removal rate d) (highest value) g-Fe Mmol-Fe % Temp.°C Ex. 1 200 ⁇ 900 (temp.
  • the carbon monoxide reduction capability was investigated under the same conditions as in Example 1 except that organic acid copper salts or organic acid manganese salts were used in place of the organic acid iron salts.
  • the results are shown in Tables 2 and 3.
  • the organic acid transition metal salts ones manufactured by Wako Pure Chemical Industries, Ltd., were used.
  • Table 2 Comparative Ex. 2 Temp. °C Gas flow rate NL/h Space velocity h -1 Additive Filled additive amount a) CO oxidation amount b) mmol-CO CO/Cu c) % CO removal rate d) (highest value) g-Cu mmol-Cu % Temp. °C 200 ⁇ 900 (temp.
  • CO oxidation amount A value obtained by multiplying a difference (mol%) between the concentration of carbon monoxide in the model gas and the concentration of carbon monoxide in the gas discharged from the reaction tube by the flow rate (amount by mol per hour) of the model gas to integrate the obtained value with respect to time (3.5 hours).
  • CO oxidation amount A value obtained by multiplying a difference (mol%) between the concentration of carbon monoxide in the model gas and the concentration of carbon monoxide in the gas discharged from the reaction tube by the flow rate (amount by mol per hour) of the model gas to integrate the obtained value with respect to time (3.5 hours).
  • CO/ Mn Co oxidation amount per mol of manganese element a value obtained by multiplying a difference (mol%) between the concentration of carbon monoxide in the model gas and the concentration of carbon monoxide in the gas discharged from the reaction tube by the flow rate (amount by mol per hour) of the model gas to integrate the obtained value with respect to time (3.5 hours).
  • CO/ Mn Co oxidation amount per mol of manganese element d
  • the particle diameter of the iron fumarate particles is preferably 0.05 to 5 ⁇ m.
  • iron fumarate was dispersed in 30 ml of the above-noted mixture solution of ethanol and lecithin to prepare a slurry. It was found that iron fumarate can be added to shredded tobacco by spraying the above slurry by an atomizer such that the amount of iron fumarate was 10% by weight based on the weight of the shredded tobacco.

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  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Cigarettes, Filters, And Manufacturing Of Filters (AREA)
  • Manufacture Of Tobacco Products (AREA)
  • Catalysts (AREA)
  • Paper (AREA)

Claims (6)

  1. Cigarette comprenant une tige de tabac déchiqueté et un papier à cigarette qui enveloppe la surface périphérique extérieure de la tige de tabac déchiqueté, dans laquelle le tabac déchiqueté et/ou le papier à cigarette contient un sel de métal de transition d'un acide organique choisi dans le groupe constitué par l'oxalate de fer, le fumarate de fer, le citrate de fer et le lactate de fer.
  2. Cigarette selon la revendication 1, dans laquelle le sel de métal de transition de l'acide organique est contenu en une quantité de 1 à 50 % en poids dans le tabac déchiqueté.
  3. Cigarette selon la revendication 1, dans laquelle le sel de métal de transition de l'acide organique est contenu en une quantité de 0,1 à 50 g/m2 en poids dans le papier à cigarette.
  4. Procédé de traitement d'un matériau de cigarette, comprenant le traitement du tabac déchiqueté et/ou du papier à cigarette avec un sel de métal de transition d'un acide organique choisi dans le groupe constitué par l'oxalate de fer, le fumarate de fer, le citrate de fer et le lactate de fer.
  5. Procédé selon la revendication 4, dans lequel une solution dans laquelle le sel de métal de transition de l'acide organique est dispersé dans un solvant organique est pulvérisée sur le tabac déchiqueté et/ou le papier à cigarette.
  6. Procédé selon la revendication 5, dans lequel la solution contient en outre un émulsifiant.
EP10758866.7A 2009-04-03 2010-04-01 Cigarette et procédé de traitement de matériaux de cigarette Not-in-force EP2415362B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2009091209 2009-04-03
PCT/JP2010/056020 WO2010114095A1 (fr) 2009-04-03 2010-04-01 Cigarette et procédé de traitement de matériaux de cigarette

Publications (3)

Publication Number Publication Date
EP2415362A1 EP2415362A1 (fr) 2012-02-08
EP2415362A4 EP2415362A4 (fr) 2014-07-09
EP2415362B1 true EP2415362B1 (fr) 2016-09-14

Family

ID=42828384

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10758866.7A Not-in-force EP2415362B1 (fr) 2009-04-03 2010-04-01 Cigarette et procédé de traitement de matériaux de cigarette

Country Status (6)

Country Link
US (1) US20120024303A1 (fr)
EP (1) EP2415362B1 (fr)
JP (1) JP5250694B2 (fr)
ES (1) ES2593112T3 (fr)
TW (1) TW201043155A (fr)
WO (1) WO2010114095A1 (fr)

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Publication number Priority date Publication date Assignee Title
CN103564634B (zh) * 2013-11-26 2016-11-09 福建中烟工业有限责任公司 一种卷烟降焦增香的方法以及一种降焦增香卷烟
WO2015089128A1 (fr) * 2013-12-11 2015-06-18 Schweitzer-Mauduit International, Inc. Enveloppe pour articles à fumer
CN109561730A (zh) * 2016-08-17 2019-04-02 菲利普莫里斯生产公司 具有新型烟草基质的气溶胶生成制品
TW201936068A (zh) * 2018-02-26 2019-09-16 英商奈路迪亞有限公司 替代性吸菸消耗品
WO2019193894A1 (fr) * 2018-04-04 2019-10-10 日本たばこ産業株式会社 Produit de tabac oral, procédé de fabrication de matériau d'emballage pour produit de tabac oral, et procédé de fabrication de produit de tabac oral
CN109577093A (zh) * 2018-10-29 2019-04-05 王景硕 一种耐撕涩香卷烟纸
WO2020157935A1 (fr) * 2019-01-31 2020-08-06 日本たばこ産業株式会社 Segment de génération d'arôme, et article de génération d'arôme et système d'aspiration d'arôme le comprenant
US11311044B2 (en) 2020-01-17 2022-04-26 Good Tree International, Inc. Hollow leaf tube with flavor capsule
US11700879B2 (en) 2021-02-26 2023-07-18 Good Tree International, Inc. Smoking accessory with filter and filter having a flavor capsule
US11969008B2 (en) 2021-03-24 2024-04-30 Good Tree International, Inc. Filters and elongated members formed of palm paper and having a flavor capsule
US11744281B2 (en) 2021-03-24 2023-09-05 Good Tree International, Inc. Hollow conical member with flavor capsule
US12167747B2 (en) 2021-10-26 2024-12-17 Good Tree International, Inc. Filter having a shaped rim structure and a flavor capsule
CN119699634B (zh) * 2024-12-02 2025-12-05 河南中烟工业有限责任公司 一种烟草精油的制备方法及其应用

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Also Published As

Publication number Publication date
JP5250694B2 (ja) 2013-07-31
WO2010114095A1 (fr) 2010-10-07
TW201043155A (en) 2010-12-16
EP2415362A1 (fr) 2012-02-08
JPWO2010114095A1 (ja) 2012-10-11
US20120024303A1 (en) 2012-02-02
EP2415362A4 (fr) 2014-07-09
ES2593112T3 (es) 2016-12-05

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