DK1167589T3 - Bionedbrydelige artikler af celluloseacetat samt filter for tobaksrög - Google Patents

Bionedbrydelige artikler af celluloseacetat samt filter for tobaksrög

Info

Publication number
DK1167589T3
DK1167589T3 DK00908007T DK00908007T DK1167589T3 DK 1167589 T3 DK1167589 T3 DK 1167589T3 DK 00908007 T DK00908007 T DK 00908007T DK 00908007 T DK00908007 T DK 00908007T DK 1167589 T3 DK1167589 T3 DK 1167589T3
Authority
DK
Denmark
Prior art keywords
cellulose acetate
filter
tobacco smoke
salt
biodegradable articles
Prior art date
Application number
DK00908007T
Other languages
English (en)
Inventor
Yoichiro Yamashita
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
Application granted granted Critical
Publication of DK1167589T3 publication Critical patent/DK1167589T3/da

Links

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
    • A24D3/067—Use of materials for tobacco smoke filters characterised by functional properties
    • A24D3/068—Biodegradable or disintegrable
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
    • C08B3/00—Preparation of cellulose esters of organic acids
    • C08B3/06—Cellulose acetate, e.g. mono-acetate, di-acetate or tri-acetate
    • 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
    • A24D3/08—Use of materials for tobacco smoke filters of organic materials as carrier or major constituent
    • A24D3/10—Use of materials for tobacco smoke filters of organic materials as carrier or major constituent of cellulose or cellulose derivatives
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F1/00—General methods for the manufacture of artificial filaments or the like
    • D01F1/02—Addition of substances to the spinning solution or to the melt
    • D01F1/10—Other agents for modifying properties
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F2/00—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof
    • D01F2/24—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof from cellulose derivatives
    • D01F2/28—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof from cellulose derivatives from organic cellulose esters or ethers, e.g. cellulose acetate
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
    • D04H1/425—Cellulose series
    • D04H1/4258—Regenerated cellulose series
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2913—Rod, strand, filament or fiber
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2913—Rod, strand, filament or fiber
    • Y10T428/2933—Coated or with bond, impregnation or core
    • Y10T428/2964—Artificial fiber or filament
    • Y10T428/2967—Synthetic resin or polymer

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Textile Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Health & Medical Sciences (AREA)
  • Organic Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Medicinal Chemistry (AREA)
  • Biochemistry (AREA)
  • Cigarettes, Filters, And Manufacturing Of Filters (AREA)
  • Biological Depolymerization Polymers (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Artificial Filaments (AREA)
  • Nonwoven Fabrics (AREA)
  • Filtering Materials (AREA)
DK00908007T 1999-03-11 2000-03-10 Bionedbrydelige artikler af celluloseacetat samt filter for tobaksrög DK1167589T3 (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP6523599 1999-03-11
PCT/JP2000/001477 WO2000053832A1 (fr) 1999-03-11 2000-03-10 Constructions biodegradables en acetate de cellulose et filtre pour tabac

Publications (1)

Publication Number Publication Date
DK1167589T3 true DK1167589T3 (da) 2007-10-29

Family

ID=13281063

Family Applications (1)

Application Number Title Priority Date Filing Date
DK00908007T DK1167589T3 (da) 1999-03-11 2000-03-10 Bionedbrydelige artikler af celluloseacetat samt filter for tobaksrög

Country Status (16)

Country Link
US (1) US6739344B2 (da)
EP (1) EP1167589B1 (da)
JP (1) JP3583721B2 (da)
KR (1) KR100460598B1 (da)
CN (1) CN1195908C (da)
AT (1) ATE371757T1 (da)
AU (1) AU2941900A (da)
CA (1) CA2365014C (da)
DE (1) DE60036202T2 (da)
DK (1) DK1167589T3 (da)
ES (1) ES2291193T3 (da)
PT (1) PT1167589E (da)
RU (1) RU2219200C2 (da)
TR (1) TR200102793T2 (da)
TW (1) TWI274556B (da)
WO (1) WO2000053832A1 (da)

Families Citing this family (59)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10121310A1 (de) * 2001-05-02 2002-11-28 Rhodia Acetow Gmbh Filter Tow
US20050042470A1 (en) * 2003-08-22 2005-02-24 Vogler John William Cellulose ester based products and methods for making them
KR100588056B1 (ko) * 2004-10-07 2006-06-09 주식회사 케이티앤지 담배 필터
KR20070010837A (ko) * 2005-07-20 2007-01-24 이영관 생분해성 수지 조성물
US7479098B2 (en) 2005-09-23 2009-01-20 R. J. Reynolds Tobacco Company Equipment for insertion of objects into smoking articles
US7896011B2 (en) * 2006-08-08 2011-03-01 Philip Morris Usa, Inc. Method of forming a filter component
JP4134250B1 (ja) 2007-07-03 2008-08-20 崎 隆 川 セルロース系物質よる単糖類並びにエタノールの製造方法
US9155335B2 (en) * 2007-12-17 2015-10-13 Celanese Acetate Llc Degradable cigarette filter
US8079369B2 (en) 2008-05-21 2011-12-20 R.J. Reynolds Tobacco Company Method of forming a cigarette filter rod member
US8613284B2 (en) * 2008-05-21 2013-12-24 R.J. Reynolds Tobacco Company Cigarette filter comprising a degradable fiber
EP2323506B2 (en) * 2008-05-21 2016-07-27 R.J.Reynolds Tobacco Company Apparatus and associated method for forming a filter component of a smoking article and smoking articles made therefrom
US8375958B2 (en) * 2008-05-21 2013-02-19 R.J. Reynolds Tobacco Company Cigarette filter comprising a carbonaceous fiber
DE102008051579A1 (de) * 2008-10-14 2010-04-15 Rhodia Acetow Gmbh Biologisch abbaubarer Kunststoff und Verwendung desselben
US8434498B2 (en) * 2009-08-11 2013-05-07 R. J. Reynolds Tobacco Company Degradable filter element
US8534294B2 (en) * 2009-10-09 2013-09-17 Philip Morris Usa Inc. Method for manufacture of smoking article filter assembly including electrostatically charged fiber
GB2474694B (en) * 2009-10-23 2011-11-02 Innovia Films Ltd Biodegradable composites
US8397733B2 (en) * 2010-01-15 2013-03-19 Celanese Acetate Llc Degradable cigarette filter: pill with multilayered coating
CN102134758B (zh) * 2010-01-27 2012-06-13 大亚科技股份有限公司 一种改性烟用丝束制备方法
US8327856B2 (en) * 2010-03-30 2012-12-11 Celanese Acetate Llc Environmentally degradable cigarette filter
TWI409300B (zh) * 2010-04-14 2013-09-21 Univ Far East Biomass wood and wood composite, product and manufacturing method thereof
WO2012012053A1 (en) * 2010-06-30 2012-01-26 R.J. Reynolds Tobacco Company Biodegradable cigarette filter
US20120000480A1 (en) 2010-06-30 2012-01-05 Sebastian Andries D Biodegradable cigarette filter
US20120000479A1 (en) * 2010-06-30 2012-01-05 Sebastian Andries D Biodegradable cigarette filter
US8720450B2 (en) 2010-07-30 2014-05-13 R.J. Reynolds Tobacco Company Filter element comprising multifunctional fibrous smoke-altering material
US9282769B2 (en) 2011-03-15 2016-03-15 Altria Client Services Llc Biodegradable cigar tip
US9149070B2 (en) * 2011-07-14 2015-10-06 R.J. Reynolds Tobacco Company Segmented cigarette filter for selective smoke filtration
GB201112402D0 (en) * 2011-07-19 2011-08-31 British American Tobacco Co Cellulose acetate compositions
US10064429B2 (en) 2011-09-23 2018-09-04 R.J. Reynolds Tobacco Company Mixed fiber product for use in the manufacture of cigarette filter elements and related methods, systems, and apparatuses
GB201116425D0 (en) * 2011-09-23 2011-11-02 British American Tobacco Co Filter materials and uses thereof
AR089602A1 (es) * 2011-12-30 2014-09-03 Philip Morris Products Sa Articulo generador de aerosoles para usar con un dispositivo generador de aerosoles
JP6227555B2 (ja) 2011-12-30 2017-11-08 フィリップ・モーリス・プロダクツ・ソシエテ・アノニム 前方プラグを備えた喫煙物品並びにその方法
EP2625975A1 (en) 2012-02-13 2013-08-14 Philip Morris Products S.A. Aerosol-generating article having an aerosol-cooling element
HUE045107T2 (hu) 2011-12-30 2019-12-30 Philip Morris Products Sa Dohányzási cikk elülsõ betéttel és aeroszolképzõ szubsztrátummal, valamint eljárás
US9212290B2 (en) 2012-01-27 2015-12-15 Celanese Acetate Llc Substituted cellulose acetates and uses thereof
US9167830B2 (en) 2012-01-27 2015-10-27 Celanese Acetate Llc Substituted cellulose acetates and uses thereof
US20130195960A1 (en) * 2012-01-27 2013-08-01 Celanese Acetate Llc Substituted Cellulose Acetates and Uses Thereof
US9023757B2 (en) * 2012-01-27 2015-05-05 Celanese Acetate Llc Substituted cellulose acetates and uses thereof
US20130192613A1 (en) * 2012-01-27 2013-08-01 Celanese Acetate Llc Substituted Cellulose Acetates and Uses Thereof
TWI612906B (zh) 2012-05-31 2018-02-01 菲利浦莫里斯製品股份有限公司 用於氣溶膠產生物品之調味棒
AR091509A1 (es) * 2012-06-21 2015-02-11 Philip Morris Products Sa Articulo para fumar para ser usado con un elemento de calentamiento interno
US9179709B2 (en) * 2012-07-25 2015-11-10 R. J. Reynolds Tobacco Company Mixed fiber sliver for use in the manufacture of cigarette filter elements
US9138967B2 (en) 2012-09-24 2015-09-22 Celanese Acetate Llc Wood laminate articles comprising substituted cellulose ester adhesives and methods relating thereto
WO2014046681A1 (en) 2012-09-24 2014-03-27 Celanese Acetate Llc Engineered wood produced with substituted cellulose ester adhesives and methods relating thereto
US9119419B2 (en) * 2012-10-10 2015-09-01 R.J. Reynolds Tobacco Company Filter material for a filter element of a smoking article, and associated system and method
GB201400990D0 (en) * 2014-01-21 2014-03-05 British American Tobacco Co Filter materials and filters made therefrom
EP3031847A1 (en) * 2014-12-11 2016-06-15 Solvay Acetow GmbH Polymer composition comprising basic additive, process and articles comprising said polymer composition
CN108495958B (zh) * 2016-01-26 2021-06-11 富士胶片株式会社 纳米纤维及无纺布
US10524500B2 (en) 2016-06-10 2020-01-07 R.J. Reynolds Tobacco Company Staple fiber blend for use in the manufacture of cigarette filter elements
BR112019015162A2 (pt) * 2017-02-28 2020-03-24 Eastman Chemical Company Fibra curta, e, trama não tecida.
CN108378416B (zh) * 2018-03-05 2020-05-12 滁州卷烟材料厂 一种三段插接式复合多位截流滤嘴
JP7217099B2 (ja) * 2018-07-12 2023-02-02 株式会社ダイセル セルロースアセテート繊維、セルロースアセテートトウバンド、及びセルロースアセテートトウバンドの製造方法
CN109224633A (zh) * 2018-11-06 2019-01-18 江苏三元环保科技有限公司 一种掺杂改性淀粉的环保型滤袋及其制备方法
KR20200122043A (ko) 2019-04-17 2020-10-27 에콜그린텍(주) 생분해성 pla 스판본딩 부직포를 이용한 담배필터 제조방법 및 그 제품
US20230000141A1 (en) * 2019-12-03 2023-01-05 Philip Morris Products S.A. Aerosol-generating article filter having novel filtration material
CN112273715A (zh) * 2020-07-09 2021-01-29 南京捷纳思新材料有限公司 一种香烟过滤嘴滤芯材料及制备方法
MX2023001254A (es) * 2020-07-29 2023-03-03 Acetate Int Llc Metodos de introduccion de catalizador para la desacetilacion acelerada de esteres de celulosa.
CN112704263A (zh) * 2020-11-29 2021-04-27 湖北中烟工业有限责任公司 一种利用生物酶促进可降解的烟滤嘴
EP4212189A1 (en) 2022-01-17 2023-07-19 V. Mane Fils Volatile substance device, uses and methods relating to same
KR20240103718A (ko) 2022-12-27 2024-07-04 주식회사 케이티앤지 가수분해효소를 포함하는 캡슐을 함유하는 흡연물품용 필터 및 이를 포함하는 흡연물품

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63105655A (ja) * 1986-10-24 1988-05-10 Ajinomoto Co Inc 畜肉加工品の製造方法
AT396862B (de) 1991-10-22 1993-12-27 Austria Tabakwerke Ag Verfahren zur herstellung eines zelluloseazetat-kabels und zigarettenfilter daraus
WO1993024685A1 (en) * 1992-05-27 1993-12-09 Eastman Chemical Company Environmentally non-persistant cellulose ester fibers
DE4236337C1 (de) * 1992-10-28 1994-01-27 Goldschmidt Ag Th Verwendung von Polyacrylsäureestern als Dispergiermittel
TW256845B (da) * 1992-11-13 1995-09-11 Taisyal Kagaku Kogyo Kk
JP3986569B2 (ja) * 1992-11-13 2007-10-03 ダイセル化学工業株式会社 生分解性セルロースエステル組成物および成形品
JPH06199901A (ja) 1993-01-06 1994-07-19 Teijin Ltd アセテート組成物
DE4322966C2 (de) * 1993-07-09 1995-10-26 Rhodia Ag Rhone Poulenc Aus Celluloseacetat geformte Gebilde und ihre Verwendung als Filtertow und Tabakrauchfilterelement
TW241198B (en) * 1993-09-06 1995-02-21 Daicel Chem A tobacco filter material and a method of producing the same
JPH0870852A (ja) 1994-09-06 1996-03-19 Teijin Ltd セルロースアセテートの脱アセチル化能を有する微生物および該微生物を担持したセルロースアセテート成形体
JP3696951B2 (ja) 1994-09-22 2005-09-21 ダイセル化学工業株式会社 たばこ煙用フィルター素材及びその製造方法
JP3390278B2 (ja) * 1994-12-05 2003-03-24 ダイセル化学工業株式会社 セルロースエステル組成物および成形品
WO1997005790A1 (fr) * 1995-08-04 1997-02-20 Mitsubishi Rayon Co., Ltd. Materiau filtrant et filtre de cigarette realise avec ce materiau
JP2931810B1 (ja) * 1998-03-31 1999-08-09 日本たばこ産業株式会社 生分解性セルロースアセテート成形品およびたばこ用フィルタープラグ

Also Published As

Publication number Publication date
CA2365014A1 (en) 2000-09-14
TWI274556B (en) 2007-03-01
EP1167589B1 (en) 2007-08-29
WO2000053832A1 (fr) 2000-09-14
KR100460598B1 (ko) 2004-12-08
AU2941900A (en) 2000-09-28
ES2291193T3 (es) 2008-03-01
CA2365014C (en) 2009-07-14
TR200102793T2 (tr) 2002-05-21
DE60036202D1 (de) 2007-10-11
JP3583721B2 (ja) 2004-11-04
CN1343267A (zh) 2002-04-03
US20020096300A1 (en) 2002-07-25
ATE371757T1 (de) 2007-09-15
DE60036202T2 (de) 2008-05-21
EP1167589A1 (en) 2002-01-02
KR20010102450A (ko) 2001-11-15
CN1195908C (zh) 2005-04-06
RU2219200C2 (ru) 2003-12-20
US6739344B2 (en) 2004-05-25
EP1167589A4 (en) 2004-11-03
PT1167589E (pt) 2007-11-16

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