WO2013080812A1 - 喫煙物品用フィルターおよび喫煙物品 - Google Patents

喫煙物品用フィルターおよび喫煙物品 Download PDF

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Publication number
WO2013080812A1
WO2013080812A1 PCT/JP2012/079782 JP2012079782W WO2013080812A1 WO 2013080812 A1 WO2013080812 A1 WO 2013080812A1 JP 2012079782 W JP2012079782 W JP 2012079782W WO 2013080812 A1 WO2013080812 A1 WO 2013080812A1
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WO
WIPO (PCT)
Prior art keywords
filter
adsorbent
cigarette
test
smoking articles
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Application number
PCT/JP2012/079782
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English (en)
French (fr)
Japanese (ja)
Inventor
達哉 桝井
謙一 板橋
憲俊 藤田
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日本たばこ産業株式会社
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Publication of WO2013080812A1 publication Critical patent/WO2013080812A1/ja

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    • 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
    • A24D3/04—Tobacco smoke filters characterised by their shape or structure
    • 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

Definitions

  • the present invention relates to a filter for smoking articles and a smoking article using the same.
  • Cigarette filters are particularly effective and important parts for reducing specific components, and filters equipped with new technologies are also being marketed.
  • a general cigarette filter is made of filamentous or fibrous cellulose acetate tow or paper, and removes particulate phase components by a filtration mechanism.
  • these materials are not effective in removing volatile organic compounds (VOCs) such as carbonyls, cyanides, sulfides and hydrocarbons present in the vapor phase.
  • VOCs volatile organic compounds
  • an adsorbent In order to remove these vapor phase components, it is common to add an adsorbent to the filter.
  • the adsorbent include activated carbon, porous material, ion exchange resin, and clay mineral.
  • the shape of the adsorbent in the filter is granular or powder. Specifically, the particulate adsorbent is filled into a cavity in the filter, the granular adsorbent is bonded to the filter material (for example, a paper charcoal filter), and the powdered adsorbent is scattered in the filter material (for example, A structure such as acetate charcoal filter) is adopted.
  • the adsorption capacity of the vapor phase component in these adsorbent segments is roughly defined by the total micropore volume of the adsorbent. In general, it is known that when the temperature of the adsorbent rises, the molecular movement inside the adsorbent becomes active, so that the total micropore volume apparently decreases and the adsorption capacity decreases.
  • the temperature of tobacco smoke in the combustion cone rises to 700 ° C, and the smoke is cooled in the tobacco column.
  • the tobacco column length becomes shorter and the area that can be cooled becomes shorter, so that warm smoke flows into the filter and the temperature inside the filter rises.
  • smoking at a high flow rate increases the amount of heat that cigarette smoke has, and the smoke flow rate is increased and the residence time of the smoke in the tobacco column is shortened.
  • the temperature inside rises.
  • the adsorbent segment is arranged on the side close to the tobacco rod, and as a result of warm smoke flowing into the adsorbent segment, the adsorbing capacity is lowered.
  • Some cigarettes have an adsorbent segment located after the acetate filter, but the acetate filter is less effective in cooling the tobacco smoke temperature, resulting in warm smoke flowing into the adsorbent segment and lowering adsorption capacity. High nature.
  • An object of the present invention is to provide a filter for a smoking article and a smoking article capable of effectively removing a volatile organic compound by preventing a decrease in the adsorption performance of the adsorbent segment accompanying a rise in the temperature of tobacco smoke flowing into the adsorbent segment. There is to do.
  • a filter for a smoking article characterized by having an adsorbent segment and a cavity provided in the preceding stage of the adsorbent segment.
  • a smoking article characterized by having a tobacco rod and the above-mentioned filter for smoking articles.
  • the filter for a smoking article and the smoking article of the present invention by providing the cavity in the front stage of the adsorbent segment, the adsorption performance of the adsorbent segment with the temperature rise of the tobacco smoke flowing into the adsorbent segment is reduced. And effectively remove volatile organic compounds.
  • FIG. 1 is a cross-sectional view of a test cigarette according to Example 1.
  • FIG. FIG. 2 is a graph showing vapor phase component reduction rates E i for various test cigarettes according to Example 1.
  • FIG. 3 is a perspective view of a test cigarette according to the second embodiment.
  • FIG. 4 is a perspective view of a test cigarette according to the second embodiment.
  • FIG. 5 is a diagram illustrating the temperature measurement result of the test cigarette according to the second embodiment.
  • FIG. 6 is a diagram showing vapor phase component reduction rates E i for various test cigarettes according to Example 2.
  • FIG. FIG. 7 shows the ratio of component exposure to activated carbon of Example 2 / Control.
  • the filter for smoking articles according to the present invention has an adsorbent segment and a cavity provided in the front stage of the adsorbent segment.
  • the cavity is thought to have the effect of stirring the incoming tobacco smoke, averaging the smoke temperature distribution of the tobacco smoke, and consequently reducing the smoke temperature.
  • the length of the cavity is preferably 20 mm or more. It is preferable that the ventilation hole is not provided in the filter for smoking articles of this invention.
  • the adsorbent contained in the adsorbent segment is activated carbon; metal oxide such as silica, alumina, titania, aluminosilicate, zeolite; mesoporous silica, silica gel; clay mineral such as hydrotalcite, sepiolite; ion exchange Selected from the group consisting of resins; and surface modified and gelled products thereof, and combinations thereof.
  • the adsorbent adsorbs one or more vapor phase components in tobacco smoke.
  • the shape of the adsorbent is a spherical granule, a non-spherical granule, a fiber, a powder, or a granulated product of powder.
  • the amount of the adsorbent contained in the adsorbent segment is preferably 35 mg or less.
  • the cavity may be filled with a cooling body.
  • Cooling bodies include metals, alloys such as stainless steel, metal oxides, clay substances such as montmorillonite and bentonite, limes such as borax, calcium hydroxide, calcium carbonate, slaked lime and quicklime, gypsum such as dihydrate gypsum and gypsum plaster From the group consisting of materials exemplified by zeolite, aluminum hydroxide, aluminum sulfate, magnesium carbonate, magnesium hydroxide, sodium bicarbonate, sodium silicate, and combinations thereof having a high degree of hydration as in the case of gypsum and gypsum Selected.
  • the cooling body reduces the temperature of the tobacco smoke in the filter.
  • the shape of the cooling body is preferably a mesh shape or a fiber shape. Since the cooling body having such a shape can increase the void ratio in the cavity, the mixing effect of tobacco smoke is not hindered.
  • the smoking article according to the present invention has a tobacco rod and the above-mentioned filter for smoking articles.
  • a tobacco rod in which a cigarette is wound with an apertured wrapping paper, the effect of cooling tobacco smoke becomes higher.
  • the filter for a smoking article according to the present invention is not limited to the case of connecting to a normal tobacco rod, and may be connected to a cigarette including a heated cigarette or a spray-type cigarette.
  • Example 1 In this example, various experiments were performed on a cigarette using a filter in which a cavity was disposed on the tobacco rod side of the adsorbent segment.
  • the wrapping paper for verifying the effect of the electroperforated wrapping paper a paper having a low basis weight and a low combustion control agent wrapping paper subjected to a perforation treatment under conditions of a voltage of 200 V and a frequency of 50 Hz was used.
  • the air perforated paper had an air permeability of 570 coresta unit (CU).
  • a filter having a 20 mm long cavity placed in front of the above 1.1.2 charcoal filter having a length of 20 mm was used.
  • FIG. 1 shows a cross-sectional view of a test cigarette according to this example.
  • the test cigarette 1 is prepared by connecting a tobacco rod 10 and a filter 20.
  • the tobacco rod 10 is prepared by winding a tobacco cut 11 with a wrapping paper 12.
  • the filter 20 has a cavity 22 provided in front of the charcoal filter 21.
  • a commercial cigarette using product wrapping paper (P-35, Nippon Paper Papillia) was harmonized for 1 week or more in accordance with ISO3402 under the conditions of 22 ° C. and RH 60%, and then the filter part was cut as it was.
  • a test cigarette according to this example was obtained by connecting a test filter.
  • a test cigarette for verifying the effect of the electroperforated wrapping paper was prepared as follows.
  • a commercial cigarette using sample product wrapping paper (P-35, Nippon Paper Papillia) was harmonized for 1 week or more in accordance with ISO3402 under the conditions of 22 ° C. and RH 60%, and then the filter part was cut, and further the product wrapping paper (P-35 ) Was changed to the electric hole-wrapping paper of 1.1.3, and the test filter of 1.1.4 was connected to obtain a test cigarette according to this example.
  • the specified smoke absorption capacity (flow rate 27.5mL / second (when using P-35 for wrapping paper), 35mL / second (when using electric perforated wrapping paper)) Smoke was absorbed 6 times with a smoke absorption time of 2 seconds / puff), and the crude tar (generated with a total of 7 puffs including the initial puff) was collected with a Cambridge filter (Borgwaldt KC Inc., CM-133). The smoke that passed through the Cambridge filter was collected in 10 mL of methanol cooled to ⁇ 70 ° C. with a dry ice-isopropanol refrigerant.
  • Cigarette smoke was collected in the above 1.2.1.1, 1 ⁇ L of methanol solution from which the crude tar was extracted was quantified with a microsyringe and analyzed by GC-MSD.
  • Agilent 7890A Agilent Technologies Inc.
  • Agilent 5975C Agilent Technologies Inc.
  • X i is a value obtained by normalizing the peak area of each smoke component with the peak area of the internal standard material
  • a i is the peak area of the component i in the smoke
  • B is the peak area of the internal standard material d-32 pentadecane.
  • X i, in is the product cigarette (P-35) used
  • test cigarette without filter (lot 1) is the test cigarette without filter (lot 1)
  • X i, out is the test cigarette (lot) for verifying the effect of the cavity and the effect of the paper roll is an X i of 2 to 6). Therefore, E i represents the reduction rate of the vapor phase component for each test cigarette in lot 1 by each test cigarette in lots 2-6.
  • FIG. 2 shows the vapor phase component reduction rate E i for each test cigarette in lots 2-6.
  • acetaldehyde, acrolein, propionaldehyde, benzene and toluene were selected as representative components.
  • Lot 3 with a cavity has a higher reduction rate for any vapor phase component than Lot 2 with no cavity. This is considered to be because the smoke temperature was averaged by the cigarette smoke being agitated in the cavity and the smoke temperature was lowered as a result.
  • the vapor phase component is reduced in the single roll using the electric perforated paper than in the single roll using the product paper (lot 1). This is because the ventilation V p increased and the generation amount of the vapor phase component decreased due to the use of the electroperforated wrapping paper.
  • the vapor phase component can be further reduced by installing a cavity in front of the charcoal filter and using an electrically perforated wrapping paper.
  • Example 2 In this example, various experiments were conducted on a cigarette in which a cavity was provided on the tobacco rod side of the adsorbent segment and a cooling body was filled in the cavity.
  • Cooling Body A commercially available SUS304 stainless steel mesh was used as a cooling body for testing. The mesh size was 100 mesh. The mesh was punched into a cigarette filter size (7.8 mm diameter) and subjected to the test.
  • Temperature measuring device A commercially available R-type thermocouple (0.05 mm diameter) was prepared to measure the tobacco smoke temperature.
  • test filter for measuring tobacco smoke temperature
  • test filters 1.1.4 Preparation of test filter for measuring tobacco smoke temperature The following two levels were prepared as test filters used for measuring tobacco smoke temperature.
  • test filter according to this example (lot A) a test filter was prepared in which a cavity was provided in the previous stage and the stainless steel mesh of 1.1.2 was stacked and enclosed in the cavity to a thickness of 30 mm. did.
  • Cigarette for cigarette smoke temperature measurement A commercially available cigarette was used as a cigarette used for cigarette smoke temperature measurement. A commercial cigarette was harmonized in accordance with ISO3402 under conditions of 22 ° C. and RH 60% for one week or more, and then the filter part was cut, and the test filter of 1.1.4 was connected to prepare a test cigarette. The filter ventilation was zero.
  • the test cigarette 2 is prepared by connecting a tobacco rod 10 and a filter 20.
  • the tobacco rod 10 is prepared by winding a tobacco cut 11 with a wrapping paper 12.
  • the filter 20 is provided with a cavity in the previous stage, and a stainless mesh 24 is stacked in the cavity so as to have a thickness of 30 mm as in 1.1.4.
  • control test cigarette 3 is prepared by connecting a tobacco rod 10 and a paper tube 30.
  • Test filters for evaluating activated carbon adsorption capacity The following two levels were prepared as test filters for evaluating activated carbon adsorption capacity.
  • a cavity is provided in the previous stage, and the above-mentioned 1.1.2 stainless steel mesh is formed in the cavity in the same manner as in 1.1.4.
  • a filter was prepared in which the activated carbon of 1.1.1 was disposed in a subsequent stage and a predetermined amount was disposed in the subsequent stage, and the stainless steel mesh of 1.1.2 was disposed in the subsequent stage of the activated carbon.
  • a filter was prepared in which a predetermined amount of the activated carbon of 1.1.1 was disposed, and the stainless steel mesh of 1.1.2 was provided at the subsequent stage of the activated carbon.
  • Cigarette for test for evaluation of adsorption ability of activated carbon A commercially available cigarette was used as a cigarette used for measuring the tobacco smoke temperature. A commercially available cigarette was harmonized in accordance with ISO3402 under the conditions of 22 ° C. and RH 60% for one week or more, and then the filter part was cut and the test filter of 1.1.6 was connected to prepare a test cigarette. The filter was not open.
  • the test cigarette 4 is prepared by connecting a tobacco rod 10 and a filter 20.
  • the tobacco rod 10 is prepared by winding a tobacco cut 11 with a wrapping paper 12.
  • the filter 20 is provided with a cavity in the front stage, and a stainless mesh 24 is stacked and enclosed in the cavity so as to have a thickness of 30 mm as in 1.1.4.
  • a stainless steel mesh (not shown) is provided so as to cover the rear stage of 26.
  • control test cigarette 5 is prepared by connecting a tobacco rod 10 and a filter 40.
  • Activated carbon 26 is disposed, and a stainless mesh (not shown) is provided so as to cover the latter stage of activated carbon 26.
  • Test conditions 1.2.1 Filter temperature measurement When temperature measurement is performed on the test cigarette according to the above-described 1.1.5, the stainless mesh 24 is used as shown in FIG. Immediately after, the thermocouple 25 of 1.1.3 was disposed.
  • thermocouple 25 of 1.1.3 is arranged immediately after the tobacco rod 10 as shown in FIG. did. The insertion point of the thermocouple 25 was sealed and the temperature was measured.
  • the temperature was measured with a test cigarette.
  • the test cigarette of 1.1.5 above was CanadianCIntense Smoking Regime (CIR, flow rate 27.5 mL / sec, smoke absorption time 2 sec / puff, smoke absorption) Automatic smoking was performed according to a frequency of 2 puffs / min), and the temperature was measured.
  • Cigarette smoke component collection As shown in Table 2 below, the test cigarette of 1.1.7 was subjected to the test. Using an automatic smoker (Borgwaldt KC Inc., RM20D), 10 test cigarettes according to the Canadian Intense Smoking Regime (CIR, flow rate 27.5 mL / second, smoke absorption time 2 seconds / puff, smoke absorption frequency 2 puffs / minute) I was allowed to smoke automatically. The smoke that passed through the Cambridge filter (Borgwaldt KC Inc., CM-133) was collected in methanol cooled to -70 ° C. with a dry ice-isopropanol refrigerant.
  • CIR Canadian Intense Smoking Regime
  • a i, in is the peak area of the component i in the smoke when the activated carbon amount is 0 mg (lots A0 and B0), and A i, out is the component i in the smoke when the activated carbon amount is 30 mg, 60 mg, or 100 mg. It is the peak area.
  • a i, in_A and A i, in_B represent the component exposure amount to the activated carbon segment in the test cigarette and the control test cigarette according to this example, respectively.
  • the component exposure ratio S i between the two is expressed by the following equation (3).
  • FIG. 5 shows the temperature measurement results performed in 1.2.1 above. In lot B where the temperature at the filter inlet was measured, the temperature gradually increased after 4 puffs and finally reached 80 ° C. On the other hand, in lot A in which the temperature immediately after the stainless mesh was measured, no significant temperature increase was observed, and the maximum temperature was 31 degrees. From this result, it was found that the temperature rise of the tobacco smoke flowing into the filter can be prevented by arranging the stainless steel mesh. It was also found that the temperature rise of cigarette smoke can be prevented without using the cooling effect due to ventilation opening.
  • FIG. 6 shows the adsorption rate E i of the vapor phase component and the semi-volatile component obtained by the activated carbon adsorption performance test performed in 1.2.2 above.
  • components acetaldehyde, acrolein, propionaldehyde, benzene and toluene were selected as representative components.
  • FIG. 6 shows that, when compared with test cigarettes having the same amount of activated carbon, the adsorption rate of both components is such that lot A> lot B. Further, for example, comparison between the lot A1 and the lot B2 or B3 shows that the lot A1 achieves an adsorption rate comparable to the lots B2 and B3. That is, it can be seen that lot A can achieve a high adsorption rate even with a small amount of activated carbon.
  • Cigarette for test 10 ... Cigarette rod, 11 ... Cigarette engraving, 12 ... Wrapping paper, 20 ... Filter, 21 ... Charcoal filter, 22 ... Cavity, 24 ... Stainless steel mesh, 25 ... Thermoelectric 26, activated carbon.

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  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Cigarettes, Filters, And Manufacturing Of Filters (AREA)
PCT/JP2012/079782 2011-11-30 2012-11-16 喫煙物品用フィルターおよび喫煙物品 WO2013080812A1 (ja)

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JP2011262845A JP2015033330A (ja) 2011-11-30 2011-11-30 喫煙物品用フィルターおよび喫煙物品
JP2011-262845 2011-11-30

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20160138952A (ko) * 2014-03-31 2016-12-06 필립모리스 프로덕츠 에스.에이. 흡연 물품용 활성탄
CN106418679A (zh) * 2016-10-26 2017-02-22 中国烟草总公司郑州烟草研究院 一种设有多孔材料的卷烟
CN109674098A (zh) * 2019-02-18 2019-04-26 上海黎邦电子科技有限公司 一种电子烟烟弹
CN113347895A (zh) * 2019-01-25 2021-09-03 日本烟草产业株式会社 吸烟物品用滤嘴
CN113633021A (zh) * 2021-08-25 2021-11-12 上海烟草集团有限责任公司 一种降低卷烟烟气中丁酸的方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000325067A (ja) * 1999-05-11 2000-11-28 Jo Lee Han 空気室を備えた紙巻タバコ
JP2005522207A (ja) * 2002-04-12 2005-07-28 フィリップ・モーリス・プロダクツ・ソシエテ・アノニム 活性炭繊維シガレットフィルタ
JP2010505423A (ja) * 2006-10-02 2010-02-25 アール・ジエイ・レイノルズ・タバコ・カンパニー フィルタ付き紙巻きタバコ

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000325067A (ja) * 1999-05-11 2000-11-28 Jo Lee Han 空気室を備えた紙巻タバコ
JP2005522207A (ja) * 2002-04-12 2005-07-28 フィリップ・モーリス・プロダクツ・ソシエテ・アノニム 活性炭繊維シガレットフィルタ
JP2010505423A (ja) * 2006-10-02 2010-02-25 アール・ジエイ・レイノルズ・タバコ・カンパニー フィルタ付き紙巻きタバコ

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20160138952A (ko) * 2014-03-31 2016-12-06 필립모리스 프로덕츠 에스.에이. 흡연 물품용 활성탄
KR102537198B1 (ko) * 2014-03-31 2023-05-26 필립모리스 프로덕츠 에스.에이. 활성탄을 포함하는 흡연 물품 및 그의 제조방법
CN106418679A (zh) * 2016-10-26 2017-02-22 中国烟草总公司郑州烟草研究院 一种设有多孔材料的卷烟
CN106418679B (zh) * 2016-10-26 2020-06-16 中国烟草总公司郑州烟草研究院 一种设有多孔材料的卷烟
CN113347895A (zh) * 2019-01-25 2021-09-03 日本烟草产业株式会社 吸烟物品用滤嘴
CN109674098A (zh) * 2019-02-18 2019-04-26 上海黎邦电子科技有限公司 一种电子烟烟弹
CN113633021A (zh) * 2021-08-25 2021-11-12 上海烟草集团有限责任公司 一种降低卷烟烟气中丁酸的方法
CN113633021B (zh) * 2021-08-25 2023-10-13 上海烟草集团有限责任公司 一种降低卷烟烟气中丁酸的方法

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