AR245876A1 - Tobacco smoke filters - Google Patents

Tobacco smoke filters

Info

Publication number
AR245876A1
AR245876A1 AR88310963A AR31096388A AR245876A1 AR 245876 A1 AR245876 A1 AR 245876A1 AR 88310963 A AR88310963 A AR 88310963A AR 31096388 A AR31096388 A AR 31096388A AR 245876 A1 AR245876 A1 AR 245876A1
Authority
AR
Argentina
Prior art keywords
extruded
tobacco smoke
extruder
matrix
smoke filters
Prior art date
Application number
AR88310963A
Other languages
Spanish (es)
Original Assignee
British American Tobacco Co
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 British American Tobacco Co filed Critical British American Tobacco Co
Application granted granted Critical
Publication of AR245876A1 publication Critical patent/AR245876A1/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/0061—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof characterized by the use of several polymeric components
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D39/00—Filtering material for liquid or gaseous fluids
    • B01D39/14—Other self-supporting filtering material ; Other filtering material
    • B01D39/16—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres
    • B01D39/1669—Cellular material
    • B01D39/1676—Cellular material of synthetic origin
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
    • C08J9/12—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent
    • C08J9/125—Water, e.g. hydrated salts
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2401/00—Characterised by the use of cellulose, modified cellulose or cellulose derivatives
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2403/00—Characterised by the use of starch, amylose or amylopectin or of their derivatives or degradation products

Abstract

UN METODO PARA PREPARAR UN MATERIAL DE FILTRACION ESPUMADO, PARA FILTRAR HUMO DE TABACO, COMPRENDE ALIMENTAR A UN EXTRUSOR, EN BASE AL PESO SECO DE LOS MATERIALES ALIMENTADOS, DE 5% A 95% DE UN MATERIAL PLASTICO CON PARTICULAS DEL GRUPO QUE COMPRENDE UNO O MAS DE POLIPROPILENO, ACETATO DE CELULOSA Y POLIETILENO, DE 95% A 5% DE UN POLISACARIDO ELEGIDO DEL GRUPO QUE COMPRENDE ALMIDON O ALMIDON MODIFICADO, CELULOSA O CELULOSA MODIFICADA, AGUA Y HASTA 5% DE UN AGLUTINANTE, Y ACCIONAR EL EXTRUSOR BAJO CALOR Y PRESION SUFICIENTES PARA HACER EMERGER EL EXTRUSADO DE LA MATRIZ EXTRUSORACON VAPORIZACION DE UNA PROPORCION DEL AGUA CONTENIDA EN LA MEZCLA ALIMENTADA Y EL EXTRUSADO ASUME UNA SECCION TRANSVERSAL MAYOR QUE LA DEL ORIFICIO DE SALIDA DE LA MATRIZ EXTRUSORA.A METHOD FOR PREPARING A FOAMED FILTRATION MATERIAL, TO FILTER TOBACCO SMOKE, INCLUDES FEEDING AN EXTRUDER, BASED ON THE DRY WEIGHT OF THE FEED MATERIALS, FROM 5% TO 95% OF A PLASTIC MATERIAL WITH A PARTICULAR THAT I BUY MORE THAN POLYPROPYLENE, CELLULOSE ACETATE AND POLYETHYLENE, FROM 95% TO 5% OF A CHOOSED POLYSACCHARIDE FROM THE GROUP WHICH INCLUDES MODIFIED STARCH OR CELLULOSE, WATER AND UP TO 5% OF AN EXCELLENT BINDER, AND ACTION ENOUGH PRESSURE TO EMERGATE THE EXTRUDED FROM THE EXTRUDED MATRIX WITH THE VAPORIZATION OF A PROPORTION OF WATER CONTAINED IN THE FEED MIXTURE AND THE EXTRUDED ASSUMES A CROSS SECTION GREATER THAN THAT OF THE EXTRUDER MATRIX HOLE.

AR88310963A 1987-05-28 1988-05-27 Tobacco smoke filters AR245876A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB878712617A GB8712617D0 (en) 1987-05-28 1987-05-28 Tobacco smoke filters

Publications (1)

Publication Number Publication Date
AR245876A1 true AR245876A1 (en) 1994-03-30

Family

ID=10618085

Family Applications (1)

Application Number Title Priority Date Filing Date
AR88310963A AR245876A1 (en) 1987-05-28 1988-05-27 Tobacco smoke filters

Country Status (25)

Country Link
AR (1) AR245876A1 (en)
AT (1) AT397757B (en)
AU (1) AU611906B2 (en)
BE (1) BE1002913A5 (en)
BR (1) BR8802665A (en)
CA (1) CA1293098C (en)
CH (1) CH677063A5 (en)
CY (1) CY1624A (en)
DE (1) DE3817889A1 (en)
DK (1) DK171907B1 (en)
ES (1) ES2009926A6 (en)
FI (1) FI882457A (en)
FR (1) FR2615752B1 (en)
GB (2) GB8712617D0 (en)
HK (1) HK6192A (en)
IN (1) IN171503B (en)
IT (1) IT1219696B (en)
MW (1) MW1488A1 (en)
MX (1) MX168986B (en)
MY (1) MY102752A (en)
NL (1) NL8801356A (en)
NZ (1) NZ224797A (en)
SG (1) SG97291G (en)
ZA (1) ZA883697B (en)
ZW (1) ZW6988A1 (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5523036A (en) * 1987-05-28 1996-06-04 British-American Tobacco Company Limited Methods of making tobacco smoke filter elements
US5095054A (en) * 1988-02-03 1992-03-10 Warner-Lambert Company Polymer compositions containing destructurized starch
US5022964A (en) * 1989-06-06 1991-06-11 The Dexter Corporation Nonwoven fibrous web for tobacco filter
AT396862B (en) * 1991-10-22 1993-12-27 Austria Tabakwerke Ag METHOD FOR PRODUCING A CELLULOSE ACETATE CABLE AND CIGARETTE FILTER THEREOF
GB9305066D0 (en) * 1993-03-12 1993-04-28 British American Tobacco Co Improvements relating to filtration materials
GB9407715D0 (en) * 1994-04-19 1994-06-15 British American Tobacco Co Improvements relating to tobacco smoke filter elements
DE19536505A1 (en) * 1995-09-29 1997-04-10 Biotec Biolog Naturverpack Biodegradable filter material and process for its manufacture
DE10252823A1 (en) * 2002-11-13 2004-06-09 Biotec Biologische Naturverpackungen Gmbh & Co. Kg filter element
US9226524B2 (en) * 2010-03-26 2016-01-05 Philip Morris Usa Inc. Biopolymer foams as filters for smoking articles
CN110604961A (en) * 2019-09-16 2019-12-24 北京泽阳天成化工技术有限公司 Method and device for separating polymer in polypropylene production process

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3836615A (en) * 1966-07-01 1974-09-17 Celanese Corp Method of forming cylindrical foamed cellulose rods enclosed in a rigid skin
GB1183498A (en) * 1967-10-24 1970-03-04 British American Tobacco Co Improvements relating to Tobacco-Smoke Filters
GB1279803A (en) * 1968-10-30 1972-06-28 Monsanto Chemicals Smoke-filtering elements
GB1319636A (en) * 1969-08-12 1973-06-06 British American Tobacco Co Tobacco smoke filters and filter production
US3800808A (en) * 1971-11-26 1974-04-02 Brown & Williamson Tobacco Tobacco smoke filter
US3976605A (en) * 1974-03-28 1976-08-24 Sumitomo Chemical Company, Limited Foamed plastics of resin compositions comprising pullulan type resins and thermoplastic resins and process for producing the same
GB1482216A (en) * 1974-04-11 1977-08-10 Monsanto Ltd Cigarette filters
NL7503298A (en) * 1974-09-13 1976-03-16 Toyo Soda Manufacturing Co Ld PROCEDURE FOR MANUFACTURE OF A PERMEABEL PRODUCT AND PRODUCT SUCHAINED.
US4180536A (en) * 1978-03-13 1979-12-25 Celanese Corporation Process for extruding plasticized open cell foamed cellulose acetate filters
US4411280A (en) * 1981-09-11 1983-10-25 Celanese Corporation Ventilated thermoplastic polymer foam filter rods
EP0122460B1 (en) * 1983-03-23 1988-07-06 Chuo Kagaku Co., Ltd. Production of resin foam by aqueous medium

Also Published As

Publication number Publication date
HK6192A (en) 1992-01-17
MY102752A (en) 1992-09-30
ZA883697B (en) 1989-02-22
SG97291G (en) 1992-01-17
CA1293098C (en) 1991-12-17
DK171907B1 (en) 1997-08-11
DK287988A (en) 1988-11-29
DK287988D0 (en) 1988-05-26
MX168986B (en) 1993-06-16
CY1624A (en) 1992-07-10
GB2205102A (en) 1988-11-30
CH677063A5 (en) 1991-04-15
FR2615752B1 (en) 1992-06-19
BR8802665A (en) 1988-12-27
ES2009926A6 (en) 1989-10-16
IT1219696B (en) 1990-05-24
NZ224797A (en) 1990-04-26
ATA138888A (en) 1993-11-15
DE3817889A1 (en) 1988-12-15
GB8812699D0 (en) 1988-06-29
AU611906B2 (en) 1991-06-27
GB2205102B (en) 1991-09-18
AT397757B (en) 1994-06-27
IT8820750A0 (en) 1988-05-26
GB8712617D0 (en) 1987-07-01
FI882457A0 (en) 1988-05-25
FI882457A (en) 1988-11-29
NL8801356A (en) 1988-12-16
AU1659688A (en) 1988-12-01
BE1002913A5 (en) 1991-08-06
IN171503B (en) 1992-10-31
MW1488A1 (en) 1989-01-11
ZW6988A1 (en) 1989-02-08
FR2615752A1 (en) 1988-12-02

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