JPH0526528B2 - - Google Patents

Info

Publication number
JPH0526528B2
JPH0526528B2 JP59268410A JP26841084A JPH0526528B2 JP H0526528 B2 JPH0526528 B2 JP H0526528B2 JP 59268410 A JP59268410 A JP 59268410A JP 26841084 A JP26841084 A JP 26841084A JP H0526528 B2 JPH0526528 B2 JP H0526528B2
Authority
JP
Japan
Prior art keywords
film
polypropylene
hollow fiber
temperature
porous
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
JP59268410A
Other languages
English (en)
Japanese (ja)
Other versions
JPS61146308A (ja
Inventor
Eiichi Kamei
Yasushi Shimomura
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ube Corp
Original Assignee
Ube Industries Ltd
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 Ube Industries Ltd filed Critical Ube Industries Ltd
Priority to JP59268410A priority Critical patent/JPS61146308A/ja
Publication of JPS61146308A publication Critical patent/JPS61146308A/ja
Publication of JPH0526528B2 publication Critical patent/JPH0526528B2/ja
Priority to US08/181,372 priority patent/US5435955A/en
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/08—Hollow fibre membranes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
    • B01D67/0002—Organic membrane manufacture
    • B01D67/0023—Organic membrane manufacture by inducing porosity into non porous precursor membranes
    • B01D67/0025—Organic membrane manufacture by inducing porosity into non porous precursor membranes by mechanical treatment, e.g. pore-stretching
    • B01D67/0027—Organic membrane manufacture by inducing porosity into non porous precursor membranes by mechanical treatment, e.g. pore-stretching by stretching
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C55/00—Shaping by stretching, e.g. drawing through a die; Apparatus therefor
    • B29C55/005—Shaping by stretching, e.g. drawing through a die; Apparatus therefor characterised by the choice of materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2323/00—Details relating to membrane preparation
    • B01D2323/08—Specific temperatures applied
    • B01D2323/081—Heating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
    • B29K2023/10—Polymers of propylene
    • B29K2023/12—PP, i.e. polypropylene
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/04—Condition, form or state of moulded material or of the material to be shaped cellular or porous

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Artificial Filaments (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
  • Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
JP59268410A 1984-12-21 1984-12-21 多孔質ポリプロピレン中空糸又はフイルムの製造法 Granted JPS61146308A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP59268410A JPS61146308A (ja) 1984-12-21 1984-12-21 多孔質ポリプロピレン中空糸又はフイルムの製造法
US08/181,372 US5435955A (en) 1984-12-21 1994-01-13 Process of producing porous polypropylene hollow fiber and film

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59268410A JPS61146308A (ja) 1984-12-21 1984-12-21 多孔質ポリプロピレン中空糸又はフイルムの製造法

Publications (2)

Publication Number Publication Date
JPS61146308A JPS61146308A (ja) 1986-07-04
JPH0526528B2 true JPH0526528B2 (Sortimente) 1993-04-16

Family

ID=17458090

Family Applications (1)

Application Number Title Priority Date Filing Date
JP59268410A Granted JPS61146308A (ja) 1984-12-21 1984-12-21 多孔質ポリプロピレン中空糸又はフイルムの製造法

Country Status (2)

Country Link
US (1) US5435955A (Sortimente)
JP (1) JPS61146308A (Sortimente)

Families Citing this family (42)

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Publication number Priority date Publication date Assignee Title
JPH022849A (ja) * 1987-06-26 1990-01-08 Ube Ind Ltd 多孔性中空糸膜
EP0336966B1 (en) * 1987-09-07 1994-07-13 Hitachi, Ltd. Cell culture method and apparatus
US4818258A (en) * 1987-11-05 1989-04-04 L&H Technologies, Inc. Filter module
US4941897A (en) * 1987-11-05 1990-07-17 L & H Technologies, Inc. Microporous filter and method
JPH0679659B2 (ja) * 1988-04-22 1994-10-12 宇部興産株式会社 多孔質ポリプロピレン中空糸又はフィルムの製造法
US5202025A (en) * 1989-04-12 1993-04-13 Terumo Kabushiki Kaisha Porous membrane and method for preparing the same
US5762840A (en) * 1996-04-18 1998-06-09 Kimberly-Clark Worldwide, Inc. Process for making microporous fibers with improved properties
CA2365817A1 (en) 2001-12-11 2003-06-11 Pierre Cote Methods of making stretched filtering membranes and membrane modules
US7273894B2 (en) * 2003-12-02 2007-09-25 Eastman Chemical Company Compositions for the preparation of void-containing articles
US20070004813A1 (en) * 2004-09-16 2007-01-04 Eastman Chemical Company Compositions for the preparation of void-containing articles
US20060121219A1 (en) * 2004-12-07 2006-06-08 Eastman Chemical Co. Void-containing polyester shrink film with improved density retention
WO2010108285A1 (en) 2009-03-26 2010-09-30 Asteia Technology Inc. Non-braided reinforced hollow fibre membrane
CN102665878B (zh) 2009-06-26 2015-01-28 Bl科技公司 非编织、织物增强的中空纤维膜
EP2412426A1 (de) 2010-07-30 2012-02-01 Schaefer Kalk GmbH & Co. KG Poröse Hohlfaser
EP2616167B1 (en) 2010-09-15 2022-11-02 BL Technologies, Inc. Method to make yarn-reinforced hollow fibre membranes around a soluble core
US8529814B2 (en) 2010-12-15 2013-09-10 General Electric Company Supported hollow fiber membrane
US9321014B2 (en) 2011-12-16 2016-04-26 Bl Technologies, Inc. Hollow fiber membrane with compatible reinforcements
US9643129B2 (en) 2011-12-22 2017-05-09 Bl Technologies, Inc. Non-braided, textile-reinforced hollow fiber membrane
US9022229B2 (en) 2012-03-09 2015-05-05 General Electric Company Composite membrane with compatible support filaments
US8999454B2 (en) 2012-03-22 2015-04-07 General Electric Company Device and process for producing a reinforced hollow fibre membrane
US9227362B2 (en) 2012-08-23 2016-01-05 General Electric Company Braid welding
US10329393B2 (en) 2012-12-12 2019-06-25 Eastman Chemical Company Copolysters plasticized with polymeric plasticizer for shrink film applications
US9073014B1 (en) * 2014-10-01 2015-07-07 Kuwait Institute For Scientific Research Nanocomposite mixed-matrix membrane
US11072684B2 (en) 2016-08-18 2021-07-27 Eastman Chemical Company Polyester compositions which comprise tetramethylcyclobutandiol and ethylene glycol, with improved catalyst system
EP3500615B1 (en) 2016-08-18 2025-08-06 Eastman Chemical Company Oriented films and shrink films comprising polyesters which comprise tetramethyl cyclobutanediol and ethylene glycol
US11091586B2 (en) 2016-08-18 2021-08-17 Eastman Chemical Company Polyester compositions which comprise tetramethyl cyclobutanediol and ethylene glycol, with improved catalyst system
CN111295284A (zh) 2017-10-30 2020-06-16 伊士曼化工公司 低密度含有空隙的膜
US10543656B2 (en) 2018-01-11 2020-01-28 Eastman Chemical Company Tough shrinkable films
WO2020076747A1 (en) 2018-10-08 2020-04-16 Eastman Chemical Company Crystallizable shrinkable and thermoformable sheets made from reactor grade resins
CN112789156A (zh) 2018-10-08 2021-05-11 伊士曼化工公司 由树脂共混物制成的可结晶可收缩膜和可热成形片材
JP2022552207A (ja) 2019-10-08 2022-12-15 イーストマン ケミカル カンパニー 再資源化含量を有する結晶化可能な反応器級樹脂のための触媒システム
KR20220079915A (ko) 2019-10-08 2022-06-14 이스트만 케미칼 컴파니 결정화가능한 반응기 등급 수지를 위한 촉매 시스템
BR112022007592A2 (pt) 2019-10-25 2022-07-05 Eastman Chem Co Processo para produzir uma composição de poliéster, filme retrátil, filme vazio, artigo moldado, artigo termoformável, filme ou folha extrudada, filme soprado, artigo moldado por extrusão por sopro, e, método para introduzir ou estabelecer conteúdo de reciclagem em um poliéster
US20230128818A1 (en) 2020-04-06 2023-04-27 Eastman Chemical Company Crystallizable shrinkable films and thermoformable sheets made from resin blends
CN116529284A (zh) 2020-10-08 2023-08-01 伊士曼化工公司 可收缩聚酯膜
TW202315906A (zh) 2021-10-08 2023-04-16 美商伊士曼化學公司 具有減少收縮之可收縮聚酯膜
WO2023091539A1 (en) 2021-11-22 2023-05-25 Eastman Chemical Company Recyclable copolyesters articles with living hinges
EP4437028A1 (en) 2021-11-22 2024-10-02 Eastman Chemical Company Process for making recyclable copolyesters articles with living hinges
WO2023091540A1 (en) 2021-11-22 2023-05-25 Eastman Chemical Company Recyclable copolyesters articles with living hinges
WO2023091544A1 (en) 2021-11-22 2023-05-25 Eastman Chemical Company Process for making recyclable copolyesters articles with living hinges
WO2023178221A1 (en) 2022-03-18 2023-09-21 Eastman Chemical Company Multilayer crystallizable shrinkable film and sheet
US20250230315A1 (en) 2022-04-06 2025-07-17 Eastman Chemical Company Multilayer shrinkable polyester films with improved toughness

Family Cites Families (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IL28508A (en) * 1966-09-06 1971-10-20 Celanese Corp Microporous films and process of producing them
US3619460A (en) * 1969-04-28 1971-11-09 Chevron Res Process for uniaxially orienting polypropylene films
BE758820A (fr) * 1969-11-13 1971-05-12 Celanese Corp Procede de production de pellicules microporeuses a cellules ouvertes
US3801404A (en) * 1970-10-28 1974-04-02 Celanese Corp Novel open-celled microporous film
US3679538A (en) * 1970-10-28 1972-07-25 Celanese Corp Novel open-celled microporous film
JPS5148503B2 (Sortimente) * 1972-08-22 1976-12-21
US3843761A (en) * 1973-05-30 1974-10-22 Celanese Corp Process for preparing a thermoplastic microporous film involving a cold stretching step and multiple hot stretching steps
US4105737A (en) * 1973-06-11 1978-08-08 Matsushita Electric Industrial Co., Ltd. Process for producing porous polymer film
US4107361A (en) * 1975-01-30 1978-08-15 Chevron Research Company Needle-punched grass-like carpets
US4153751A (en) * 1975-03-31 1979-05-08 Biax-Fiberfilm Corporation Process for stretching an impregnated film of material and the microporous product produced thereby
JPS5215627A (en) * 1975-07-09 1977-02-05 Mitsubishi Rayon Co Ltd Porous polypropylene hollow fibers and a process for manufacturing the m
US4138459A (en) * 1975-09-08 1979-02-06 Celanese Corporation Process for preparing a microporous polymer film
JPS5938322B2 (ja) * 1976-04-30 1984-09-17 東洋紡績株式会社 微孔性中空繊維およびその製造法
JPS5338715A (en) * 1976-09-16 1978-04-10 Mitsubishi Rayon Co Ltd Production of polypropylene porous hollow fiber
JPS5434418A (en) * 1977-08-15 1979-03-13 Mitsubishi Rayon Co Ltd Production of porous and hollow fiber of polypropylene
JPS6037201B2 (ja) * 1977-11-08 1985-08-24 三菱レイヨン株式会社 多孔質ポリプロピレン中空糸の製造方法
ZA80465B (en) * 1979-02-13 1981-08-26 Celanese Corp Process for preparing hollow microporous polypropylene fibers
JPS55107505A (en) * 1979-02-13 1980-08-18 Nippon Zeon Co Ltd Production of hollow fiber
JPS552176A (en) * 1979-04-09 1980-01-09 Kitagawa Tekkosho:Kk Soft ground improving device
US4290987A (en) * 1979-07-02 1981-09-22 Celanese Corporation Process for preparing microporous hollow fibers
DE3027314A1 (de) * 1980-07-18 1982-02-11 J. Wagner Gmbh, 7990 Friedrichshafen Membranpumpvorrichtung
DE3277120D1 (en) * 1981-06-09 1987-10-08 Mitsubishi Chem Ind Process for producing porous film or sheet
US4541981A (en) * 1982-02-18 1985-09-17 Celanese Corporation Method for preparing a uniform polyolefinic microporous hollow fiber
US4405688A (en) * 1982-02-18 1983-09-20 Celanese Corporation Microporous hollow fiber and process and apparatus for preparing such fiber
EP0147849B1 (en) * 1983-12-28 1989-03-22 Ube Industries, Ltd. Process of producing porous thermoplastic resin article

Also Published As

Publication number Publication date
US5435955A (en) 1995-07-25
JPS61146308A (ja) 1986-07-04

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Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term