WO2009123023A1 - Filtres de cigarette - Google Patents

Filtres de cigarette Download PDF

Info

Publication number
WO2009123023A1
WO2009123023A1 PCT/JP2009/056181 JP2009056181W WO2009123023A1 WO 2009123023 A1 WO2009123023 A1 WO 2009123023A1 JP 2009056181 W JP2009056181 W JP 2009056181W WO 2009123023 A1 WO2009123023 A1 WO 2009123023A1
Authority
WO
WIPO (PCT)
Prior art keywords
catalyst
supported
surface area
activated carbon
specific surface
Prior art date
Application number
PCT/JP2009/056181
Other languages
English (en)
Japanese (ja)
Inventor
一紀 菅井
Original Assignee
日本たばこ産業株式会社
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 日本たばこ産業株式会社 filed Critical 日本たばこ産業株式会社
Publication of WO2009123023A1 publication Critical patent/WO2009123023A1/fr

Links

Images

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
    • A24D3/06—Use of materials for tobacco smoke filters
    • A24D3/16—Use of materials for tobacco smoke filters of inorganic materials
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals

Definitions

  • the present invention relates to a cigarette filter.
  • a precious metal catalyst, a metal oxide catalyst, or a Wacker type catalyst has been added to a filter, a cigarette cut, a wrapping paper, or the like.
  • Patent Document 1 a partial reduction additive such as Fe 2 O 3 that acts as a catalyst for converting carbon monoxide into carbon dioxide is used in the filler composition. It is also disclosed to oxidize CO using a catalyst such as CuO—ZnO—CeO 2 for a cigarette filter (Patent Document 2).
  • Patent Document 2 a partial reduction additive such as Fe 2 O 3 that acts as a catalyst for converting carbon monoxide into carbon dioxide.
  • Patent Document 3 a cigarette filter using a surface of activated carbon particles coated with copper and a surface of which is coated with platinum is known (Patent Document 3). It is disclosed that this cigarette filter can reduce the vapor component but does not affect the gas component. It is shown that the amount of CO increases rather.
  • a cigarette smoke filter in which activated carbon is impregnated with one or more of copper, molybdenum, manganese, cobalt, zinc and iron (Patent Document 4).
  • a supported catalyst in which Au—Ti oxide or Au—Zn oxide is supported on a support is also disclosed (Patent Documents 5 and 6).
  • the CO reduction rate is only about 20 to 48%.
  • An object of the present invention is to provide a cigarette filter that can effectively control the amount of CO delivery in the mainstream cigarette smoke without impairing the flavor components.
  • the cigarette filter according to the present invention is provided on the suction side of the tobacco rod and has a ratio of (specific surface area of micropores / specific surface area of meso-macropores) of 0.5 to 10.0, and (fine pores of micropores).
  • Pt, Pd, Au, Rh, Ru, Ag, Ti, Fe, Co, Cr, Ni are applied to a porous carrier having a ratio of pore volume / meso-macropore pore volume) of 0.3 to 6.0.
  • part which contains is provided.
  • FIG. 1 is a diagram showing the configuration of a cigarette used for testing.
  • FIG. 2 is a graph showing the transmittance of CO or nicotine with respect to the amount of supported catalyst of Pt-supported activated carbon or Pt-supported silica gel.
  • FIG. 3 is a graph showing CO permeability and nicotine permeability with respect to the amount of supported catalyst of Pt-supported activated carbon or Pt / Rh-supported activated carbon.
  • FIG. 4 is a diagram showing the relationship between the number of smokers and the CO delivery amount.
  • FIG. 5 is a graph showing the relationship between the surface area of Pt supported on activated carbon and the CO transmittance (1-E_CO).
  • FIG. 1 is a diagram showing the configuration of a cigarette used for testing.
  • FIG. 2 is a graph showing the transmittance of CO or nicotine with respect to the amount of supported catalyst of Pt-supported activated carbon or Pt-supported silica gel.
  • FIG. 3 is a graph showing CO permeability and nicotine permeability
  • FIG. 6 is a graph showing the CO permeability with respect to the amount of supported catalyst in which Pt is supported on activated carbon 1 at 5 wt%, 10 wt%, or 20 wt%.
  • FIG. 7 is a graph showing CO permeability with respect to the amount of supported catalyst in which Pt is supported on activated carbon 2 (highly activated charcoal) at 5 wt%, 10 wt%, and 20 wt%.
  • porous carbon materials coconut husk charcoal, bituminous coal, synthetic charcoal, carbon fiber, mesoporous carbon, carbon sheet, molecular sieve charcoal, etc.), coke, carbon black, nanoporous carbon (carbon nanotubes, etc.) ).
  • the particle size of the carrier is preferably 200 to 2000 ⁇ m from the viewpoint of ventilation resistance.
  • the carrier may have a honeycomb structure or may be fibrous.
  • the catalyst is selected from the group consisting of noble metal catalysts Pt, Pd, Au, Rh and Ru, metal oxide catalysts CuO, ZnO, CeO 2 , MnO 2 and AgO, and Wacker catalysts. At least one is used.
  • the ratio of (specific surface area of micropores / specific surface area of meso-macropores) is 0.5 to 10.0, (pore volume of micropores / pore volume of meso-macropores) The ratio is 0.3 to 6.0.
  • micropores have a pore diameter of 2 nm or less, mesopores have a pore diameter of 2 to 50 nm, and macropores have a pore diameter of 50 nm or more.
  • the total specific surface area is measured by the BET method.
  • the specific surface area of the meso-macropores is measured by the DH method.
  • the specific surface area of the micropores is determined by subtracting the specific surface area of the meso-macropores from the total specific surface area.
  • the total pore volume is measured by the BET method.
  • the pore volume of meso-macropores is measured by the DH method.
  • the pore volume of the micropore is determined by subtracting the pore volume of the meso-macropore from the total pore volume.
  • porous carrier when the ratio of (micropore specific surface area / meso-macropore specific surface area) or (micropore pore volume / meso-macropore pore volume) is out of the above range, This means that the degree of dispersion of the catalyst is reduced, the particle size of the catalyst is increased, and the catalytic activity is reduced, so that CO cannot be effectively removed.
  • a part containing activated carbon having a specific surface area of 700 to 2000 m 2 / g may be provided before the part containing the supported catalyst. If a site containing highly activated charcoal is provided in the previous stage of the site containing the supported catalyst, the catalytic activity can be maintained for a long time.
  • the surface area of the catalyst is preferably 0.6 m 2 or more, and more preferably 2.4 m 2 or more. If the surface area of the catalyst is 0.6 m 2 or more, 20% or more of CO can be removed, and if it is 2.4 m 2 or more, CO can be removed by nearly 10%.
  • the particle size of the catalyst is preferably 20 nm or less, and more preferably 5 nm or less.
  • the particle size of the catalyst exceeds 20 nm, the catalytic activity becomes low.
  • the smaller the particle size of the catalyst the higher the catalytic activity.
  • the particle size of the catalyst can be calculated from chemical adsorption by the pulse method. For example, CO is used as the adsorption chemical species.
  • the supported catalyst can be filled as it is to be used for a filter, or can be dispersed in notches or wrapping paper.
  • the test cigarette of FIG. 1A is a filter in which a brass tube filled with a cavity of the supported catalyst 1 is arranged as a filter provided on the suction side of a commercially available single cigarette rod 10.
  • the test cigarette in FIG. 1 (b) is a brass provided with a cavity filled with 200 mg of highly activated charcoal (specific surface area 1700 m 2 / g) 2 in the previous stage as a filter provided on the suction side of a commercially available single cigarette rod 10.
  • a brass tube filled with a cavity of the supported catalyst 1 is arranged in the tube and the latter stage.
  • test cigarette having such a configuration was attached to an automatic smoking machine, smoked under conditions of 17.5 ml and 7 puffs, and the permeability of CO or nicotine was examined.
  • 17.5 ml is 1/2 of ISO smoking conditions (equivalent to 50% Vf). The reason for setting this condition is that if the flow rate is too high, the catalyst activity decreases.
  • CO permeability (1-E_CO) and nicotine permeability (1-E_Nic) are expressed by the following equations, respectively.
  • a catalyst in which Pt was supported on activated carbon referred to as Pt-supported activated carbon
  • a catalyst in which Pt was supported on silica gel referred to as Pt-supported silica gel
  • An impregnation method was used as a loading method.
  • FIG. 2 shows the permeability of CO or nicotine to the amount of Pt-supported activated carbon or Pt-supported silica gel (supported catalyst amount).
  • FIG. 2 shows that when activated carbon is used as the carrier, the CO reduction rate is higher with the same amount of supported catalyst than when silica gel is used as the carrier.
  • FIG. 3 shows the CO permeability and nicotine permeability with respect to the amount of Pt-supported activated carbon or Pt / Rh-supported activated carbon.
  • FIG. 3 shows that when Pt-supported activated carbon is used, the CO reduction rate is high with the same supported catalyst amount as compared with the case where Pt / Rh-supported activated carbon is used.
  • the transmittance of nicotine there is not much difference in the reduction rate depending on the supported catalyst.
  • Fig. 4 shows the relationship between the number of smokers and CO delivery. From FIG. 4, it can be seen that the CO reduction effect is sustained in the configuration of FIG. 1B in which highly activated charcoal is disposed in front of the Pt-supported activated carbon.
  • FIG. 5 shows the relationship between the surface area of Pt supported on activated carbon and the CO permeability (1-E_CO). From FIG. 5, if the target is to reduce CO by about 20%, the Pt surface area should be 0.6 m 2 or more. If the target is to reduce CO by 10%, the Pt surface area should be 2.4 m 2 or more. Recognize.
  • activated carbon 1 Two types were prepared as carriers. These activated carbons have different mesopore-macropore cumulative pore volumes.
  • a supported catalyst was prepared by supporting activated carbon 1 or activated carbon 2 (highly activated charcoal) with 5 wt%, 10 wt%, or 20 wt% Pt. Table 1 shows the Pt dispersion degree and the Pt particle diameter of these supported catalysts.
  • ⁇ Pt dispersion (%) is measured by the pulse method. CO gas is introduced into the sample in pulses until saturation is reached, the surface area of Pt on the sample is measured from the total gas consumption, and the degree of dispersion is calculated from the surface area and Pt weight.
  • the particle size of Pt is preferably less than 20 nm, and more preferably less than 5 nm.
  • activated carbon Six types were prepared as carriers. Table 2 shows the specific surface area and pore volume of these activated carbons 1 to 5. A supported catalyst in which 20 wt% of Pt was supported on activated carbon 1 to 5 was prepared, and the degree of Pt dispersion was examined. Table 2 also shows the Pt dispersion of these supported catalysts.
  • the ratio of (specific surface area of micropores / specific surface area of meso-macropores) is from 0.5 to 10.0, and the ratio of (pore volume of micropores / pore volume of meso-macropores) is from 0.3 to 6.0.
  • FIG. 6 shows the CO permeability with respect to the amount of the supported catalyst in which Pt is supported on activated carbon 1 at 5 wt%, 10 wt%, or 20 wt%.
  • FIG. 7 shows the CO permeability with respect to the amount of supported catalyst in which Pt is supported on activated carbon 2 (highly activated charcoal) at 5 wt%, 10 wt%, and 20 wt%.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Catalysts (AREA)

Abstract

L'invention porte sur un filtre de cigarette qui est disposé du côté inhalation de la tige de tabac, lequel filtre comporte une partie qui comprend un catalyseur de support, dans lequel au moins un catalyseur, sélectionné dans le groupe constitué par des catalyseurs métalliques qui comprennent Pt, Pd, Au, Rh, Ru, Ag, Ti, Fe, Co, Cr, Ni, Cu, Zn, Mn, Zr, V, Nb, Mo, Ce, Hf, Ta, W, Re, Os, Ir, Y, Tc, B, Mg, Na, Al, Ca, K, Si, Sn, Ge, Sr, Rb et In, des catalyseurs à oxyde métallique qui comprennent des oxydes et des oxydes composites de ces métaux, ainsi que des catalyseurs de Wacker, est chargé sur un support poreux, le rapport (surface spécifique de micropore/surface spécifique de meso-macropore) est de 0,5 à 10,0, et le rapport (volume de pore de micropore/volume de pore de meso-macropore) est de 0,3 à 6,0.
PCT/JP2009/056181 2008-04-01 2009-03-26 Filtres de cigarette WO2009123023A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2008094816 2008-04-01
JP2008-094816 2008-04-01

Publications (1)

Publication Number Publication Date
WO2009123023A1 true WO2009123023A1 (fr) 2009-10-08

Family

ID=41135401

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2009/056181 WO2009123023A1 (fr) 2008-04-01 2009-03-26 Filtres de cigarette

Country Status (2)

Country Link
TW (1) TW200944141A (fr)
WO (1) WO2009123023A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010116943A1 (fr) * 2009-04-07 2010-10-14 日本たばこ産業株式会社 Filtre composé pour cigarettes
CN104525095A (zh) * 2014-12-11 2015-04-22 上海烟草集团有限责任公司 用于选择性降低卷烟烟气中亚硝胺的镁铝双金属氢氧化物纳米片材料及其制备方法与应用
US9642394B2 (en) 2011-07-21 2017-05-09 British American Tobacco (Investments) Limited Porous carbon and methods of production thereof

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102793273A (zh) * 2012-08-08 2012-11-28 刘光明 纳米催化滤烟嘴
CN104687250B (zh) * 2014-12-31 2018-09-11 东莞市车宝节能科技有限公司 一种过滤芯、含过滤芯的过滤烟嘴及其制备方法
CN106858717A (zh) * 2017-04-10 2017-06-20 滁州卷烟材料厂 一种选择性降低卷烟烟气中羰基化合物的滤嘴
CN113477068B (zh) * 2021-05-30 2023-05-16 中国人民解放军东部战区疾病预防控制中心 香烟烟气活性氧清除剂的制备方法及添加方法

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6322185B2 (fr) * 1984-09-11 1988-05-11 Topii Kogyo Kk
JPH07250666A (ja) * 1993-12-14 1995-10-03 Rothmans Internatl Services Ltd 喫煙用品用フィルターおよび紙巻き煙草
JP2005522206A (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 紙巻タバコの主流煙中の一酸化炭素及び／又は一酸化窒素の量を低減するための部分還元ナノ粒子添加剤
JP3706422B2 (ja) * 1995-11-21 2005-10-12 ダイセル化学工業株式会社 たばこエレメントおよびその製造方法
JP3806259B2 (ja) * 1999-01-22 2006-08-09 日本たばこ産業株式会社 シガレット用フィルター
US20060289024A1 (en) * 2005-03-11 2006-12-28 Philip Morris Usa Inc. Catalysts for low temperature oxidation of carbon monoxide
US20070204870A1 (en) * 2006-02-27 2007-09-06 Sarojini Deevi Catalysts to reduce carbon monoxide such as in the mainstream smoke of a cigarette
US20070215166A1 (en) * 2004-05-28 2007-09-20 Branton Peter J Smoking Articles and Smoking Materials
JP2007527698A (ja) * 2003-06-13 2007-10-04 フィリップ・モーリス・プロダクツ・ソシエテ・アノニム シガレットの主流煙中の一酸化炭素を減らすための触媒

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6322185B2 (fr) * 1984-09-11 1988-05-11 Topii Kogyo Kk
JPH07250666A (ja) * 1993-12-14 1995-10-03 Rothmans Internatl Services Ltd 喫煙用品用フィルターおよび紙巻き煙草
JP3706422B2 (ja) * 1995-11-21 2005-10-12 ダイセル化学工業株式会社 たばこエレメントおよびその製造方法
JP3806259B2 (ja) * 1999-01-22 2006-08-09 日本たばこ産業株式会社 シガレット用フィルター
JP2005522206A (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 紙巻タバコの主流煙中の一酸化炭素及び／又は一酸化窒素の量を低減するための部分還元ナノ粒子添加剤
JP2007527698A (ja) * 2003-06-13 2007-10-04 フィリップ・モーリス・プロダクツ・ソシエテ・アノニム シガレットの主流煙中の一酸化炭素を減らすための触媒
US20070215166A1 (en) * 2004-05-28 2007-09-20 Branton Peter J Smoking Articles and Smoking Materials
US20060289024A1 (en) * 2005-03-11 2006-12-28 Philip Morris Usa Inc. Catalysts for low temperature oxidation of carbon monoxide
US20070204870A1 (en) * 2006-02-27 2007-09-06 Sarojini Deevi Catalysts to reduce carbon monoxide such as in the mainstream smoke of a cigarette

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010116943A1 (fr) * 2009-04-07 2010-10-14 日本たばこ産業株式会社 Filtre composé pour cigarettes
JP5361012B2 (ja) * 2009-04-07 2013-12-04 日本たばこ産業株式会社 シガレットのための複合フィルタ
US9642394B2 (en) 2011-07-21 2017-05-09 British American Tobacco (Investments) Limited Porous carbon and methods of production thereof
CN104525095A (zh) * 2014-12-11 2015-04-22 上海烟草集团有限责任公司 用于选择性降低卷烟烟气中亚硝胺的镁铝双金属氢氧化物纳米片材料及其制备方法与应用

Also Published As

Publication number Publication date
TW200944141A (en) 2009-11-01

Similar Documents

Publication Publication Date Title
WO2009123023A1 (fr) Filtres de cigarette
US20060225753A1 (en) Tobacco smoke filter and tobacco blend for altering mainstream smoke
JP5133258B2 (ja) 活性炭及び重炭酸ナトリウム処理繊維を有する喫煙物品
JP4970252B2 (ja) 喫煙品および喫煙材
JP5786267B2 (ja) アルカノイル化グリコシドを含む喫煙物品及び製作方法
JP2011505851A (ja) 粒子突破の低減のためのランダム配向繊維を含むフィルタ
JP2008528011A (ja) フィルター付き紙巻タバコ
WO2010053132A1 (fr) Article a fumer, procede de fabrication associe et procede de fabrication d'agent reducteur de monoxyde de carbone
US20120247491A1 (en) Smoking articles comprising copper-exchanged molecular sieves
CN101947435A (zh) 降低卷烟烟气中苯酚类物质的壳聚糖聚阳离子添加剂
US20050121045A1 (en) Treatment of mainstream smoke constituents by use of oxygen storage and donor metal oxide oxidation catalyst
JP2007519507A (ja) 超微粒子を含む触媒
WO2001030184A1 (fr) Filtre de cigarette
WO2008018617A1 (fr) Filtre à cigarette
JP3905883B2 (ja) シガレット用フィルター
JP3706422B2 (ja) たばこエレメントおよびその製造方法
JPWO2003013287A1 (ja) シガレット用フィルター
JP6682428B2 (ja) 煙成分の選択的な除去のための官能性を持たせた材料
EP2937001A1 (fr) Aluminosilicate sab-15 utilisé comme additif pour la réduction des composés toxiques et cancérigènes présents dans la fumée du tabac
KR100588056B1 (ko) 담배 필터
KR100809390B1 (ko) 촉매가 부착된 담뱃잎의 제조방법 및 이를 이용한 담배
JPH02308784A (ja) たばこ用フィルタ
RU2345684C2 (ru) Сигаретное изделие
CN113598411A (zh) 一种吸附卷烟烟气中巴豆醛的复合过滤嘴及卷烟
CN113647675A (zh) 一种吸附卷烟烟气中2-丁酮的复合过滤嘴及卷烟

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 09727921

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 09727921

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: JP