DD258627A5 - Verfahren zur bildung einer hautlosen, hohlen, nicht zusammendrueckbaren faser aus einem zellusoleestermaterial - Google Patents

Verfahren zur bildung einer hautlosen, hohlen, nicht zusammendrueckbaren faser aus einem zellusoleestermaterial Download PDF

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Publication number
DD258627A5
DD258627A5 DD86290728A DD29072886A DD258627A5 DD 258627 A5 DD258627 A5 DD 258627A5 DD 86290728 A DD86290728 A DD 86290728A DD 29072886 A DD29072886 A DD 29072886A DD 258627 A5 DD258627 A5 DD 258627A5
Authority
DD
German Democratic Republic
Prior art keywords
tube
fiber
bath
hollow
solvent
Prior art date
Application number
DD86290728A
Other languages
German (de)
English (en)
Inventor
Colin L Browne
Original Assignee
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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 �����@������������������k�� filed Critical �����@������������������k��
Publication of DD258627A5 publication Critical patent/DD258627A5/de

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Classifications

    • DTEXTILES; PAPER
    • D01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01FCHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F6/00Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
    • DTEXTILES; PAPER
    • D01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01FCHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F2/00Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof
    • D01F2/24Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof from cellulose derivatives
    • D01F2/28Monocomponent 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
    • AHUMAN NECESSITIES
    • A24TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24DCIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES OF CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D3/00Tobacco smoke filters, e.g. filter tips or filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces of cigars or cigarettes
    • A24D3/06Use of materials for tobacco smoke filters
    • A24D3/08Use of materials for tobacco smoke filters of organic materials as carrier or major constituent
    • A24D3/10Use of materials for tobacco smoke filters of organic materials as carrier or major constituent of cellulose or cellulose derivatives
    • DTEXTILES; PAPER
    • D01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01DMECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D5/00Formation of filaments, threads, or the like
    • D01D5/24Formation of filaments, threads, or the like with a hollow structure; Spinnerette packs therefor
    • DTEXTILES; PAPER
    • D01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01DMECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D5/00Formation of filaments, threads, or the like
    • D01D5/253Formation of filaments, threads, or the like with a non-circular cross section; Spinnerette packs therefor

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Artificial Filaments (AREA)
  • Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Cigarettes, Filters, And Manufacturing Of Filters (AREA)
  • Treating Waste Gases (AREA)
DD86290728A 1985-05-31 1986-05-29 Verfahren zur bildung einer hautlosen, hohlen, nicht zusammendrueckbaren faser aus einem zellusoleestermaterial DD258627A5 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/739,946 US4744932A (en) 1985-05-31 1985-05-31 Process for forming a skinless hollow fiber of a cellulose ester

Publications (1)

Publication Number Publication Date
DD258627A5 true DD258627A5 (de) 1988-07-27

Family

ID=24974443

Family Applications (1)

Application Number Title Priority Date Filing Date
DD86290728A DD258627A5 (de) 1985-05-31 1986-05-29 Verfahren zur bildung einer hautlosen, hohlen, nicht zusammendrueckbaren faser aus einem zellusoleestermaterial

Country Status (25)

Country Link
US (1) US4744932A (fr)
EP (1) EP0204512A3 (fr)
JP (2) JPS61282415A (fr)
KR (1) KR930009830B1 (fr)
CN (1) CN1010861B (fr)
AU (1) AU5786686A (fr)
BR (1) BR8602509A (fr)
CA (1) CA1278907C (fr)
DD (1) DD258627A5 (fr)
DK (1) DK254586A (fr)
ES (2) ES8706037A1 (fr)
FI (1) FI862311L (fr)
GR (1) GR861404B (fr)
HU (1) HUT44294A (fr)
IL (1) IL78911A0 (fr)
MA (1) MA20699A1 (fr)
MT (1) MTP986B (fr)
MW (1) MW4286A1 (fr)
MX (1) MX169588B (fr)
NO (1) NO862166L (fr)
PT (1) PT82679B (fr)
TR (1) TR23065A (fr)
ZA (1) ZA863755B (fr)
ZM (1) ZM4386A1 (fr)
ZW (1) ZW10286A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102019135114A1 (de) * 2019-12-19 2021-06-24 Cerdia International GmbH Filter- und/oder füllmaterial für mundstücke zur verwendung mit rauchwaren oder hnb-produkten, mundstücke und zigarettenfilter mit einem solchen filter- und/oder füllmaterial sowie verfahren zur herstellung eines solchen filter- und/oder füllmaterials
RU2799593C1 (ru) * 2019-12-19 2023-07-07 Цердиа Интернациональ Гмбх Материал фильтра и/или материал наполнителя для мундштука для использования с курительным изделием или hnb-изделием, мундштук и сигаретный фильтр, содержащий такой материал фильтра и/или материал наполнителя, и способ получения такого материала фильтра и/или материала наполнителя

Families Citing this family (52)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0263531A (ja) * 1988-05-30 1990-03-02 Terumo Corp 中空糸膜の製造方法
US4970034A (en) * 1988-09-23 1990-11-13 W. R. Grace & Co.-Conn. Process for preparing isotropic microporous polysulfone membranes
US4971078A (en) * 1989-08-15 1990-11-20 Hoechst Celanese Corporation Filter for a smoking article containing a flavored hollow fiber
US5096585A (en) * 1991-01-28 1992-03-17 W. R. Grace & Co.-Conn. Process for preparing protein non-adsorptive microporous polysulfone membranes
US5076916A (en) * 1991-02-04 1991-12-31 Hoechst Celanese Corp. Device for separating fluid from a fiber following contact
US5151227A (en) * 1991-03-18 1992-09-29 W. R. Grace & Co.-Conn. Process for continuous spinning of hollow-fiber membranes using a solvent mixture as a precipitation medium
JP2568043B2 (ja) * 1991-05-21 1996-12-25 ブラウン・ユニバーシテイ・リサーチ・フアウンデーシヨン 中空繊維を形成するための装置と該繊維
US5181940A (en) * 1991-08-01 1993-01-26 Union Carbide Industrial Gases Technology Corporation Hollow fiber membranes
FR2700772A1 (fr) * 1993-01-27 1994-07-29 Michelin Rech Tech Composition, susceptible de donner des fibres ou des films, à base de formiate de cellulose.
US5624561A (en) * 1993-07-28 1997-04-29 Toyo Boseki Kabushiki Kaisha Cellulose acetate hemodialysis membrane
JP3420359B2 (ja) * 1994-10-21 2003-06-23 ダイセル化学工業株式会社 たばこ煙用フィルター素材、繊維状セルロースエステル及びその製造方法
US5743251A (en) * 1996-05-15 1998-04-28 Philip Morris Incorporated Aerosol and a method and apparatus for generating an aerosol
US6234167B1 (en) 1998-10-14 2001-05-22 Chrysalis Technologies, Incorporated Aerosol generator and methods of making and using an aerosol generator
EP1149683A4 (fr) * 1998-11-12 2011-01-05 Sunstar Engineering Inc Procede et dispositif de formation de perles
JP4299468B2 (ja) * 1999-05-31 2009-07-22 ダイセル化学工業株式会社 セルロース誘導体中空糸膜
US6883516B2 (en) 2000-04-27 2005-04-26 Chrysalis Technologies Incorporated Method for generating an aerosol with a predetermined and/or substantially monodispersed particle size distribution
MY136453A (en) * 2000-04-27 2008-10-31 Philip Morris Usa Inc "improved method and apparatus for generating an aerosol"
US6681998B2 (en) 2000-12-22 2004-01-27 Chrysalis Technologies Incorporated Aerosol generator having inductive heater and method of use thereof
US7077130B2 (en) * 2000-12-22 2006-07-18 Chrysalis Technologies Incorporated Disposable inhaler system
US6799572B2 (en) 2000-12-22 2004-10-05 Chrysalis Technologies Incorporated Disposable aerosol generator system and methods for administering the aerosol
US6701921B2 (en) * 2000-12-22 2004-03-09 Chrysalis Technologies Incorporated Aerosol generator having heater in multilayered composite and method of use thereof
US6491233B2 (en) 2000-12-22 2002-12-10 Chrysalis Technologies Incorporated Vapor driven aerosol generator and method of use thereof
US6501052B2 (en) 2000-12-22 2002-12-31 Chrysalis Technologies Incorporated Aerosol generator having multiple heating zones and methods of use thereof
US6616912B2 (en) 2001-01-05 2003-09-09 Spectrum Laboratories, Inc. Bi-component microporous hollow fiber membrane structure for in vivo propagation of cells
SG99371A1 (en) * 2001-08-17 2003-10-27 Environmental Technology Inst Hollow fiber membrane for the treatment of waste lubricants and method for its production
US6640050B2 (en) 2001-09-21 2003-10-28 Chrysalis Technologies Incorporated Fluid vaporizing device having controlled temperature profile heater/capillary tube
US6568390B2 (en) 2001-09-21 2003-05-27 Chrysalis Technologies Incorporated Dual capillary fluid vaporizing device
US6804458B2 (en) * 2001-12-06 2004-10-12 Chrysalis Technologies Incorporated Aerosol generator having heater arranged to vaporize fluid in fluid passage between bonded layers of laminate
US6681769B2 (en) 2001-12-06 2004-01-27 Crysalis Technologies Incorporated Aerosol generator having a multiple path heater arrangement and method of use thereof
US6701922B2 (en) 2001-12-20 2004-03-09 Chrysalis Technologies Incorporated Mouthpiece entrainment airflow control for aerosol generators
AU2003209418A1 (en) * 2002-01-29 2003-09-02 Amersham Biosciences Membrane Separations Corp. Spiraled surface hollow fiber membranes
CA2473286A1 (fr) * 2002-01-29 2003-08-07 Attila Herczeg Membranes de fibres creuses a surface spiralee
US7074170B2 (en) * 2002-03-29 2006-07-11 Philip Morris Usa Inc. Method and apparatus for making cigarette filters with a centrally located flavored element
US7759540B2 (en) * 2002-07-23 2010-07-20 Paragon Trade Brands, Llc Absorbent articles containing absorbent cores having zoned absorbency and methods of making same
US7367334B2 (en) 2003-08-27 2008-05-06 Philip Morris Usa Inc. Fluid vaporizing device having controlled temperature profile heater/capillary tube
US20080296808A1 (en) * 2004-06-29 2008-12-04 Yong Lak Joo Apparatus and Method for Producing Electrospun Fibers
US7553440B2 (en) * 2005-05-12 2009-06-30 Leonard William K Method and apparatus for electric treatment of substrates
GB0517551D0 (en) * 2005-08-27 2005-10-05 Acetate Products Ltd Process for making filter tow
US20070074733A1 (en) * 2005-10-04 2007-04-05 Philip Morris Usa Inc. Cigarettes having hollow fibers
US7878210B2 (en) * 2007-06-04 2011-02-01 Philip Morris Usa Inc. Cellulose acetate fiber modification
US8113215B2 (en) * 2007-06-21 2012-02-14 Philip Morris Usa Inc. Smoking article filter having liquid additive containing tubes therein
WO2009042768A1 (fr) * 2007-09-25 2009-04-02 University Of Pittsburgh-Of The Commonwealth System Of Higher Education Fibres creuses que l'on peut dissoudre avec un facteur déclenchant pour une administration contrôlée
EP2110031A1 (fr) 2008-04-18 2009-10-21 Philip Morris Products S.A. Appareil de fabrication de filtres
PL2317881T3 (pl) * 2008-06-02 2018-09-28 Philip Morris Products S.A. Wyrób do palenia z przezroczystym odcinkiem
US8308623B2 (en) * 2008-10-28 2012-11-13 R.J. Reynolds Tobacco Company Apparatus for enhancing a filter component of a smoking article, and associated method
CN102423129A (zh) * 2011-08-26 2012-04-25 湖北中烟工业有限责任公司 一种中空纤维香烟滤嘴的制备方法
CN103720042B (zh) * 2013-12-20 2015-10-21 苏州鑫帛泰纺织科研有限公司 多孔中空纤维香烟滤嘴
JP5982412B2 (ja) * 2014-02-12 2016-08-31 富士フイルム株式会社 繊維製造方法及び不織布製造方法並びに繊維製造設備及び不織布製造設備
JP7582322B2 (ja) * 2020-10-30 2024-11-13 東洋紡株式会社 中空糸膜の製造方法
US20230008772A1 (en) * 2021-07-08 2023-01-12 University Of Kentucky Research Foundation Spinneret, blowing system and method for producing hollow fibers
KR20240044539A (ko) * 2021-08-26 2024-04-04 이스트만 케미칼 컴파니 셀룰로오스 아세테이트 섬유의 건식 스피닝
CN115897242A (zh) * 2022-12-28 2023-04-04 厦门安踏体育用品有限公司 一种微多孔辐射制冷纱线及面料及其制备方法

Family Cites Families (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2416291A (en) * 1942-11-14 1947-02-25 American Viscose Corp Method and apparatus for spinning synthetic shapes
US2536092A (en) * 1946-09-21 1951-01-02 American Viscose Corp Method and apparatus for wet spinning of artificial filaments
US2825120A (en) * 1954-05-11 1958-03-04 Eastman Kodak Co Synthetic filament
NL89850C (fr) * 1954-06-17
US2828752A (en) * 1954-08-16 1958-04-01 Eastman Kodak Co Fibrous tobacco smoke filters
US2916777A (en) * 1954-09-16 1959-12-15 Eastman Kodak Co Improved method of extruding a tobacco smoke filter
FR1165860A (fr) * 1955-01-07 1958-10-30 Eastman Kodak Co Procédé et filière pour la fabrication de filaments et fibres synthétiques, nouveaux produits textiles obtenus et leurs applications
BE552768A (fr) * 1956-04-11
US3311115A (en) * 1963-10-29 1967-03-28 Buckeye Cellulose Corp Low density aerosol filter
US3724672A (en) * 1970-07-27 1973-04-03 R Leonard Asymmetric hollow fiber membranes and method of fabrication
US3939849A (en) * 1970-11-18 1976-02-24 Monsanto Chemicals Limited Filter elements
DE2164422A1 (de) * 1970-12-24 1972-07-13 Asahi Kasei Kogaku Kogyo K.K., Osaka (Japan) Synthese-Faser und Verfahren zu ihrer Herstellung
US4007745A (en) * 1971-03-23 1977-02-15 Celanese Corporation Filter
JPS5193786A (en) * 1975-02-15 1976-08-17 Makurokagatano chukuseni
US4127625A (en) * 1975-03-27 1978-11-28 Daicel Ltd. Process for preparing hollow fiber having selective gas permeability
US4035459A (en) * 1975-05-01 1977-07-12 Chemical Systems, Inc. Process for spinning dry-fiber cellulose acetate hollow fiber membranes
JPS5215627A (en) * 1975-07-09 1977-02-05 Mitsubishi Rayon Co Ltd Porous polypropylene hollow fibers and a process for manufacturing the m
JPS6033844B2 (ja) * 1975-07-24 1985-08-05 大日本インキ化学工業株式会社 分散樹脂組成物の製法
GB1566581A (en) * 1975-12-29 1980-05-08 Nippon Zeon Co Hollow fibres and methods of manufacturing such fibres
US4076933A (en) * 1976-02-27 1978-02-28 International Telephone And Telegraph Corporation Process for producing a regenerated shaped cellulosic fiber
JPS5318920A (en) * 1976-08-06 1978-02-21 Hitachi Ltd Pattern compression system
US4283186A (en) * 1976-10-06 1981-08-11 Celanese Corporation Method of forming cigarette filter material
JPS5399400A (en) * 1977-02-10 1978-08-30 Mitsubishi Acetate Co Ltd Fibrous cigarette filter
JPS5812932B2 (ja) * 1977-06-30 1983-03-10 日本ゼオン株式会社 中空繊維の製造方法
GB2009667B (en) * 1977-12-09 1982-05-12 Mitsubishi Acetate Co Ltd Surface-modified cellulose acetate filaments and a process for producing the same
US4282890A (en) * 1978-03-13 1981-08-11 Celanese Corporation Open cell structure foamed cellulose acetate filters
FR2437241A1 (fr) * 1978-09-29 1980-04-25 Ugine Kuhlmann Agent de nettoyage dispersant des hydrocarbures en milieu marin
JPS5584412A (en) * 1978-12-20 1980-06-25 Nippon Zeon Co Ltd Production of hollow fiber
US4361617A (en) * 1979-07-26 1982-11-30 Teijin Limited Hollow water-absorbing polyester filaments and a process for producing the same
JPS5782514A (en) * 1980-11-04 1982-05-24 Mitsubishi Rayon Co Ltd Porous cellulose acetate fiber and its preparation
JPS5955308A (ja) * 1982-09-21 1984-03-30 Toyobo Co Ltd ガス分離膜
JPS60806A (ja) * 1983-06-17 1985-01-05 Teijin Ltd 血漿アルブミン選択透過性中空糸膜の製造法

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102019135114A1 (de) * 2019-12-19 2021-06-24 Cerdia International GmbH Filter- und/oder füllmaterial für mundstücke zur verwendung mit rauchwaren oder hnb-produkten, mundstücke und zigarettenfilter mit einem solchen filter- und/oder füllmaterial sowie verfahren zur herstellung eines solchen filter- und/oder füllmaterials
WO2021121839A1 (fr) * 2019-12-19 2021-06-24 Cerdia International GmbH Matériau de filtre et/ou matériau de remplissage pour embouts destinés à être utilisés avec des produits à fumer ou des produits hnb, embouts et filtres de cigarette comprenant un tel matériau de filtre et/ou matériau de remplissage, et procédé de fabrication d'un tel matériau de filtre et/ou matériau de remplissage
CN114867370A (zh) * 2019-12-19 2022-08-05 瑟迪亚国际有限公司 用于吸烟产品或hnb产品的烟嘴的过滤材料
RU2799593C1 (ru) * 2019-12-19 2023-07-07 Цердиа Интернациональ Гмбх Материал фильтра и/или материал наполнителя для мундштука для использования с курительным изделием или hnb-изделием, мундштук и сигаретный фильтр, содержащий такой материал фильтра и/или материал наполнителя, и способ получения такого материала фильтра и/или материала наполнителя

Also Published As

Publication number Publication date
CN86103913A (zh) 1987-02-04
PT82679A (en) 1986-06-01
FI862311A7 (fi) 1986-12-01
HUT44294A (en) 1988-02-29
US4744932A (en) 1988-05-17
DK254586D0 (da) 1986-05-30
TR23065A (tr) 1989-02-03
PT82679B (en) 1987-12-14
ZA863755B (en) 1987-01-28
ES555519A0 (es) 1987-06-01
JPS61282415A (ja) 1986-12-12
GR861404B (en) 1986-09-26
MW4286A1 (en) 1988-08-10
ES8706037A1 (es) 1987-06-01
MA20699A1 (fr) 1986-12-31
MTP986B (en) 1988-10-18
CA1278907C (fr) 1991-01-15
CN1010861B (zh) 1990-12-19
ZM4386A1 (en) 1986-12-29
ES8707872A1 (es) 1987-09-01
IL78911A0 (en) 1986-09-30
FI862311A0 (fi) 1986-05-30
BR8602509A (pt) 1987-01-27
EP0204512A2 (fr) 1986-12-10
DK254586A (da) 1986-12-01
NO862166L (no) 1986-12-01
AU5786686A (en) 1986-12-04
KR930009830B1 (ko) 1993-10-11
MX169588B (es) 1993-07-14
EP0204512A3 (fr) 1989-01-25
ZW10286A1 (en) 1986-11-12
KR860009162A (ko) 1986-12-20
JPH07170962A (ja) 1995-07-11
ES557367A0 (es) 1987-09-01
FI862311L (fi) 1986-12-01

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