DE69824276D1 - Verfahren zur herstellung einer hochdurchlässigen mitroporösen polyolefinische folie - Google Patents

Verfahren zur herstellung einer hochdurchlässigen mitroporösen polyolefinische folie

Info

Publication number
DE69824276D1
DE69824276D1 DE69824276T DE69824276T DE69824276D1 DE 69824276 D1 DE69824276 D1 DE 69824276D1 DE 69824276 T DE69824276 T DE 69824276T DE 69824276 T DE69824276 T DE 69824276T DE 69824276 D1 DE69824276 D1 DE 69824276D1
Authority
DE
Germany
Prior art keywords
polyolefin
weight
average molecular
molecular weight
sheet
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
DE69824276T
Other languages
English (en)
Other versions
DE69824276T2 (de
Inventor
Norimitsu Kaimai
Kotaro Takita
Koichi Kono
Hidehiko Funaoka
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.)
Toray Battery Separator Film Co Ltd
Original Assignee
Tonen Sekiyu Kagaku KK
Tonen Chemical Corp
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 Tonen Sekiyu Kagaku KK, Tonen Chemical Corp filed Critical Tonen Sekiyu Kagaku KK
Application granted granted Critical
Publication of DE69824276D1 publication Critical patent/DE69824276D1/de
Publication of DE69824276T2 publication Critical patent/DE69824276T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • B29C67/00—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00
    • B29C67/20—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00 for porous or cellular articles, e.g. of foam plastics, coarse-pored
    • B29C67/202—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00 for porous or cellular articles, e.g. of foam plastics, coarse-pored comprising elimination of a solid or a liquid ingredient
    • 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
    • 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
    • B01D67/0009—Organic membrane manufacture by phase separation, sol-gel transition, evaporation or solvent quenching
    • 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
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
    • B01D71/06—Organic material
    • B01D71/26—Polyalkenes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
    • B01D71/06—Organic material
    • B01D71/26—Polyalkenes
    • B01D71/261—Polyethylene
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
    • B01D71/06—Organic material
    • B01D71/26—Polyalkenes
    • B01D71/262—Polypropylene
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/07—Flat, e.g. panels
    • B29C48/08—Flat, e.g. panels flexible, e.g. films
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
    • B29C48/80—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling at the plasticising zone, e.g. by heating cylinders
    • B29C48/83—Heating or cooling the cylinders
    • B29C48/832—Heating
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/91—Heating, e.g. for cross linking
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/911—Cooling
    • B29C48/9135—Cooling of flat articles, e.g. using specially adapted supporting means
    • B29C48/914—Cooling of flat articles, e.g. using specially adapted supporting means cooling drums
    • 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
    • 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
    • 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
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2323/00—Details relating to membrane preparation
    • B01D2323/08—Specific temperatures applied
    • B01D2323/082—Cooling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2323/00—Details relating to membrane preparation
    • B01D2323/12—Specific ratios of components used
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2325/00—Details relating to properties of membranes
    • B01D2325/02—Details relating to pores or porosity of the membranes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2325/00—Details relating to properties of membranes
    • B01D2325/02—Details relating to pores or porosity of the membranes
    • B01D2325/0283—Pore size
    • 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
    • B29C55/02—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets
    • B29C55/04—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets uniaxial, e.g. oblique
    • B29C55/06—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets uniaxial, e.g. oblique parallel with the direction of feed
    • 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
    • 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
    • B29K2023/04—Polymers of ethylene
    • B29K2023/06—PE, i.e. polyethylene
    • 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
    • B29K2105/0058—Liquid or visquous
    • B29K2105/0061—Gel or sol
    • 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
    • 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
    • B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
    • B29K2995/0037—Other properties
    • B29K2995/0065—Permeability to gases
DE69824276T 1997-10-23 1998-09-21 Verfahren zur herstellung einer hochdurchlässigen mitroporösen polyolefinische folie Expired - Lifetime DE69824276T2 (de)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP30926797 1997-10-23
JP30926797 1997-10-23
JP30928097 1997-10-23
JP30928097 1997-10-23
PCT/JP1998/004241 WO1999021914A1 (fr) 1997-10-23 1998-09-21 Procede de preparation d'un film polyolefinique microporeux hautement permeable

Publications (2)

Publication Number Publication Date
DE69824276D1 true DE69824276D1 (de) 2004-07-08
DE69824276T2 DE69824276T2 (de) 2005-07-07

Family

ID=26565900

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69824276T Expired - Lifetime DE69824276T2 (de) 1997-10-23 1998-09-21 Verfahren zur herstellung einer hochdurchlässigen mitroporösen polyolefinische folie

Country Status (8)

Country Link
US (1) US6153133A (de)
EP (1) EP0947545B1 (de)
JP (1) JP4033246B2 (de)
KR (1) KR100530614B1 (de)
AT (1) ATE268351T1 (de)
CA (1) CA2275891C (de)
DE (1) DE69824276T2 (de)
WO (1) WO1999021914A1 (de)

Families Citing this family (42)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000020493A1 (en) * 1998-10-01 2000-04-13 Tonen Chemical Corporation Microporous polyolefin film and process for producing the same
WO2000049074A1 (en) * 1999-02-19 2000-08-24 Tonen Chemical Corporation Polyolefin microporous film and method for preparing the same
EP1097961B1 (de) * 1999-02-19 2014-01-22 Toray Battery Separator Film Co., Ltd. Mikroporöser film aus polyolefin und dessen herstellungsverfahren
JP4798730B2 (ja) * 2000-06-30 2011-10-19 東レ東燃機能膜合同会社 熱可塑性樹脂微多孔膜の製造方法
TW539705B (en) * 2000-06-30 2003-07-01 Tonen Sekiyukagaku Kk Process for preparing heat curable resin micro-porous film
JP2002012694A (ja) * 2000-06-30 2002-01-15 Tonen Chem Corp 熱可塑性樹脂微多孔膜の製造方法
JP2002194132A (ja) * 2000-12-26 2002-07-10 Tonen Chem Corp ポリオレフィン微多孔膜及びその製造方法
US8007940B2 (en) * 2001-12-11 2011-08-30 Eveready Battery Company, Inc. High discharge capacity lithium battery
US20050112462A1 (en) * 2003-11-21 2005-05-26 Marple Jack W. High discharge capacity lithium battery
WO2005001956A2 (en) * 2003-06-06 2005-01-06 Amtek Research International Llc Battery separators containing reactive functional groups
US8124274B2 (en) * 2003-11-21 2012-02-28 Eveready Battery Company, Inc. High discharge capacity lithium battery
US20050233214A1 (en) * 2003-11-21 2005-10-20 Marple Jack W High discharge capacity lithium battery
US8283071B2 (en) 2003-11-21 2012-10-09 Eveready Battery Company, Inc. High discharge capacity lithium battery
US20050202163A1 (en) * 2004-03-09 2005-09-15 Celgard Inc. Method of making a composite microporous membrane
US8104625B2 (en) * 2004-05-20 2012-01-31 Asahi Kasei Chemicals Corporation Microporous membrane made of polyolefins
US7445735B2 (en) 2004-12-07 2008-11-04 Daramic Llc Method of making microporous material
KR100943235B1 (ko) * 2005-05-16 2010-02-18 에스케이에너지 주식회사 압출혼련성과 물성이 우수한 고밀도폴리에틸렌 미세다공막및 그 제조방법
JPWO2007046496A1 (ja) * 2005-10-21 2009-04-23 東燃化学株式会社 熱可塑性樹脂微多孔膜の製造方法
US10615388B2 (en) * 2006-03-22 2020-04-07 Celgard, Llc Membrane made of a blend of UHMW polyolefins
US7981536B2 (en) * 2006-08-31 2011-07-19 Toray Tonen Specialty Separator Godo Kaisha Microporous membrane, battery separator and battery
US7807287B2 (en) * 2006-08-31 2010-10-05 Tonen Chemical Corporation Multi-layer, microporous membrane, battery separator and battery
US8414663B2 (en) * 2007-08-31 2013-04-09 Toray Battery Separator Film Co., Ltd. Microporous polyolefin membrane comprising a polyethlene resin having a specific viscoelastic angular frequency, its production method, battery separator and battery comprising the same
CN102015080B (zh) * 2008-02-22 2014-12-10 立达赛路达克有限公司 聚乙烯膜及其制备方法
WO2010018749A1 (en) * 2008-08-15 2010-02-18 Tonen Chemical Corporation Chill roll system and process for producing a microporous membrane
US8460591B2 (en) * 2010-03-23 2013-06-11 GM Global Technology Operations LLC Porous membranes and methods of making the same
KR101700007B1 (ko) * 2010-08-18 2017-01-26 세키스이가가쿠 고교가부시키가이샤 프로필렌계 수지 미공 필름, 전지용 세퍼레이터, 전지 및 프로필렌계 수지 미공 필름의 제조 방법
US20130126418A1 (en) * 2011-05-13 2013-05-23 E. I. Du Pont De Nemours And Company Liquid filtration media
KR102331613B1 (ko) * 2013-05-07 2021-12-01 데이진 가부시키가이샤 액체 필터용 기재
KR20160137537A (ko) * 2014-03-24 2016-11-30 도레이 배터리 세퍼레이터 필름 주식회사 미세 다공 플라스틱 필름의 제조 방법
JP2017536672A (ja) 2014-11-26 2017-12-07 セルガード エルエルシー リチウムイオン二次電池用の改善された微多孔膜セパレータおよび関連方法
EP4246702A3 (de) 2014-11-26 2023-11-22 Celgard, LLC Verbesserte mehrlagige mikroporöse separatoren für lithiumsekundärbatterien und zugehörige verfahren
US9731985B2 (en) 2015-06-03 2017-08-15 Lg Nanoh2O, Inc. Chemical additives for enhancement of water flux of a membrane
US9695065B2 (en) 2015-06-03 2017-07-04 Lg Nanoh2O, Inc. Combination of chemical additives for enhancement of water flux of a membrane
US9724651B2 (en) 2015-07-14 2017-08-08 Lg Nanoh2O, Inc. Chemical additives for water flux enhancement
US9861940B2 (en) 2015-08-31 2018-01-09 Lg Baboh2O, Inc. Additives for salt rejection enhancement of a membrane
KR20180067723A (ko) 2015-11-11 2018-06-20 셀가드 엘엘씨 마이크로층 막, 개선된 전지 분리기, 및 제조 및 사용 방법
US10155203B2 (en) 2016-03-03 2018-12-18 Lg Nanoh2O, Inc. Methods of enhancing water flux of a TFC membrane using oxidizing and reducing agents
FR3066425B1 (fr) * 2017-05-22 2021-12-10 Carolina Marchante Installation de production pour la production d’un film microporeux bi-oriente
US11603443B2 (en) * 2017-08-25 2023-03-14 Beijing Normal University Composite porous membrane and preparation method therefor and use thereof
JP6996383B2 (ja) * 2018-03-27 2022-01-17 東レ株式会社 ポリオレフィン微多孔膜の製造方法
CN111081948A (zh) * 2019-12-26 2020-04-28 江苏厚生新能源科技有限公司 一种高线速度-大宽幅的聚乙烯隔膜制备方法
US11883792B1 (en) * 2023-09-01 2024-01-30 King Faisal University Process for preparing a polypropylene-based sponge-like porous thin film

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60242035A (ja) * 1984-04-27 1985-12-02 Toa Nenryo Kogyo Kk ポリエチレン微多孔膜の製造方法
JPS61195133A (ja) * 1985-02-25 1986-08-29 Toa Nenryo Kogyo Kk 超高分子量α−オレフイン重合体微多孔膜
JPS61195132A (ja) * 1985-02-25 1986-08-29 Toa Nenryo Kogyo Kk 超高分子量α−オレフイン重合体微多孔膜の製造方法
JPH0679658B2 (ja) * 1986-08-05 1994-10-12 東燃株式会社 ポリエチレン微多孔膜の製造方法
JPS63273651A (ja) * 1987-04-30 1988-11-10 Toa Nenryo Kogyo Kk 超高分子量ポリエチレン微多孔膜の製造方法
DE69320927T2 (de) * 1992-12-21 1999-02-18 Mitsubishi Chem Corp Poröse(r) Film oder Folie, Batterie-Separator und Lithium-Batterie
JP3493079B2 (ja) * 1995-06-19 2004-02-03 東燃化学株式会社 熱可塑性樹脂微多孔膜の製造方法
JPH0931226A (ja) * 1995-07-20 1997-02-04 Tonen Chem Corp 親水性ポリエチレン微多孔膜、その製造方法及びそれを用いた電池用セパレータ
JP3351940B2 (ja) * 1995-09-26 2002-12-03 東燃化学株式会社 ポリオレフィン微多孔膜の製造方法

Also Published As

Publication number Publication date
DE69824276T2 (de) 2005-07-07
CA2275891C (en) 2008-12-23
CA2275891A1 (en) 1999-05-06
JP4033246B2 (ja) 2008-01-16
KR20000069699A (ko) 2000-11-25
EP0947545A4 (de) 2000-12-20
EP0947545A1 (de) 1999-10-06
ATE268351T1 (de) 2004-06-15
KR100530614B1 (ko) 2005-11-23
US6153133A (en) 2000-11-28
WO1999021914A1 (fr) 1999-05-06
EP0947545B1 (de) 2004-06-02

Similar Documents

Publication Publication Date Title
DE69824276D1 (de) Verfahren zur herstellung einer hochdurchlässigen mitroporösen polyolefinische folie
JP2509030B2 (ja) 超透過性ポリプロピレンのミクロポ―ラスフィルム及びその製造方法
WO1999021914A6 (en) Process for preparing highly permeable microporous polyolefin film
KR970015640A (ko) 폴리올레핀 미다공막의 제조방법
EP0057328B1 (de) Poröse Polyäthylenfolie
EP1153968A4 (de) Mikroporöser polyolefinfilm und verfahren zu dessen herstellung
DE60234320D1 (de) Aufeinanderfolgend biaxial ausgerichtete, poröse polypropylenfolie und verfahren ihrer herstellung
FI920133A0 (fi) Film, fiber och mikroporoesa membraner som framstaellts av en poly(etereterketon) upploest i polaera organiska loesningsmedel med hoeg kokpunkt.
DE69201075T2 (de) Mikroporöse Folie aus Polyethylen und Verfahren zu ihrer Herstellung.
JP2007237178A (ja) 溶融紡糸ポリスルホン半透膜及びその製造方法
WO2010021474A2 (ko) 다공성 막 및 그 제조방법
JPS5939460B2 (ja) 多孔膜の製法
ATE275169T1 (de) Polypropylenzusammensetzung zur herstellung von festkörperorientierter folie
CA2562165A1 (en) Porous water filtration membrane of vinylidene fluoride resin hollow fiber and process for production thereof
JP2003210954A (ja) 中空糸膜の製造方法および中空糸膜
JP2628788B2 (ja) 微多孔性膜の製造方法及びその方法で製造される耐溶断性微多孔性膜
ATE125487T1 (de) Mikroporöse folie und verfahren zu ihrer herstellung.
WO2000044482A3 (en) Skinned hollow fiber membrane and method of manufacture
WO2000044484A3 (en) Microporous hollow fiber membranes from perfluorinated thermoplastic polymers
ATE129167T1 (de) Mikroporöse membranen mit gesteigerter porendichte und verfahren zur herstellung derselben.
JP2572895B2 (ja) 多孔質中空糸膜の製造法
JP3307027B2 (ja) 多孔性樹脂成形体の製造方法
CA2257503A1 (en) Method of producing microporous polyolefin membrane
JP2000248088A5 (de)
JPH0368432A (ja) 等方性又は異方性微孔性シンジオタクチックポリスチレン膜及びその製造法

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
R082 Change of representative

Ref document number: 947545

Country of ref document: EP

Representative=s name: WEICKMANN & WEICKMANN, 81679 MUENCHEN, DE

R082 Change of representative

Ref document number: 947545

Country of ref document: EP

Representative=s name: WEICKMANN & WEICKMANN, DE

R081 Change of applicant/patentee

Ref document number: 947545

Country of ref document: EP

Owner name: TORAY BATTERY SEPARATOR FILM CO., LTD., JP

Free format text: FORMER OWNER: TORAY TONEN SPECIALTY SEPARATOR GODO KAISHA, TOCHIGI PREFECTURE, 329-2763, JP

Effective date: 20121012

R082 Change of representative

Ref document number: 947545

Country of ref document: EP

Representative=s name: WEICKMANN & WEICKMANN, DE

Effective date: 20121012