ATE268351T1 - Verfahren zur herstellung einer hochdurchlässigen mitroporösen polyolefinische folie - Google Patents

Verfahren zur herstellung einer hochdurchlässigen mitroporösen polyolefinische folie

Info

Publication number
ATE268351T1
ATE268351T1 AT98943069T AT98943069T ATE268351T1 AT E268351 T1 ATE268351 T1 AT E268351T1 AT 98943069 T AT98943069 T AT 98943069T AT 98943069 T AT98943069 T AT 98943069T AT E268351 T1 ATE268351 T1 AT E268351T1
Authority
AT
Austria
Prior art keywords
polyolefin
weight
average molecular
molecular weight
sheet
Prior art date
Application number
AT98943069T
Other languages
English (en)
Inventor
Norimitsu Kaimai
Kawasaki-Ku Cho
Kotaro Takita
Koichi Kono
Hidehiko Funaoka
Original Assignee
Tonen Sekiyukagaku Kk
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 Sekiyukagaku Kk filed Critical Tonen Sekiyukagaku Kk
Application granted granted Critical
Publication of ATE268351T1 publication Critical patent/ATE268351T1/de

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
    • 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
    • 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
    • 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 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
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Thermal Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
AT98943069T 1997-10-23 1998-09-21 Verfahren zur herstellung einer hochdurchlässigen mitroporösen polyolefinische folie ATE268351T1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP30928097 1997-10-23
JP30926797 1997-10-23
PCT/JP1998/004241 WO1999021914A1 (en) 1997-10-23 1998-09-21 Process for preparing highly permeable microporous polyolefin film

Publications (1)

Publication Number Publication Date
ATE268351T1 true ATE268351T1 (de) 2004-06-15

Family

ID=26565900

Family Applications (1)

Application Number Title Priority Date Filing Date
AT98943069T ATE268351T1 (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
US6666969B1 (en) * 1998-10-01 2003-12-23 Tonen Chemical Corporation Microporous polyolefin film and process for producing the same
EP1097962B2 (de) * 1999-02-19 2013-07-17 Toray Battery Separator Film Co., Ltd. Mikroporöser film aus polyolefin und dessen herstellungsverfahren
KR100667052B1 (ko) * 1999-02-19 2007-01-10 토넨 케미칼 코퍼레이션 폴리올레핀 미세다공성 막과 그의 제조방법
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
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
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
US20050112462A1 (en) * 2003-11-21 2005-05-26 Marple Jack W. High discharge capacity lithium battery
US8007940B2 (en) * 2001-12-11 2011-08-30 Eveready Battery Company, Inc. 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
US8283071B2 (en) 2003-11-21 2012-10-09 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
US20050202163A1 (en) * 2004-03-09 2005-09-15 Celgard Inc. Method of making a composite microporous membrane
WO2005113657A1 (ja) * 2004-05-20 2005-12-01 Asahi Kasei Chemicals Corporation ポリオレフィン製微多孔膜
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
CN101291788B (zh) * 2005-10-21 2010-05-19 东燃化学株式会社 热塑性树脂微孔膜的制造方法
US10615388B2 (en) 2006-03-22 2020-04-07 Celgard, Llc Membrane made of a blend of UHMW polyolefins
US7807287B2 (en) * 2006-08-31 2010-10-05 Tonen Chemical Corporation Multi-layer, microporous membrane, battery separator and battery
US7981536B2 (en) * 2006-08-31 2011-07-19 Toray Tonen Specialty Separator Godo Kaisha Microporous membrane, battery separator and battery
CN101796108B (zh) * 2007-08-31 2012-08-22 东丽东燃机能膜合同会社 微孔聚烯烃膜、其制备方法、电池隔板和电池
CA2716272C (en) * 2008-02-22 2017-10-17 Lydall Solutech B.V. Polyethylene gas filtration medium comprising fibril layers
JP5639578B2 (ja) * 2008-08-15 2014-12-10 東レバッテリーセパレータフィルム株式会社 微多孔膜の製造方法および微多孔膜の製造装置
US8460591B2 (en) * 2010-03-23 2013-06-11 GM Global Technology Operations LLC Porous membranes and methods of making the same
CN103068892B (zh) * 2010-08-18 2014-09-10 积水化学工业株式会社 丙烯类树脂微孔膜、电池用隔板、电池及丙烯类树脂微孔膜的制造方法
US20130126418A1 (en) * 2011-05-13 2013-05-23 E. I. Du Pont De Nemours And Company Liquid filtration media
US11338250B2 (en) * 2013-05-07 2022-05-24 Teijin Limited Substrate for liquid filter
EP3124526A4 (de) * 2014-03-24 2017-11-22 Toray Industries, Inc. Verfahren zur herstellung von mikroporöser kunststofffolie
CN107210407B (zh) 2014-11-26 2020-12-08 赛尔格有限责任公司 用于锂离子二次电池的改进的多层微孔膜隔板及相关方法
KR102650164B1 (ko) 2014-11-26 2024-03-21 셀가드 엘엘씨 리튬 이온 재충전 가능한 배터리를 위한 개선된 미소공성 막 분리기 및 관련 방법
US9695065B2 (en) 2015-06-03 2017-07-04 Lg Nanoh2O, Inc. Combination of chemical additives for enhancement of water flux of a membrane
US9731985B2 (en) 2015-06-03 2017-08-15 Lg Nanoh2O, Inc. 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
HUE060157T2 (hu) 2015-11-11 2023-02-28 Celgard Llc Mikrorétegû membránok, javított akkumulátor szeparátorok és eljárások elõállításra és alkalmazásra
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
WO2019037785A1 (zh) * 2017-08-25 2019-02-28 北京师范大学 一种复合多孔膜及其制备方法和用途
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 Chemical Corp., Tokio/Tokyo 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
KR100530614B1 (ko) 2005-11-23
KR20000069699A (ko) 2000-11-25
CA2275891A1 (en) 1999-05-06
EP0947545A1 (de) 1999-10-06
JP4033246B2 (ja) 2008-01-16
DE69824276D1 (de) 2004-07-08
CA2275891C (en) 2008-12-23
US6153133A (en) 2000-11-28
EP0947545A4 (de) 2000-12-20
EP0947545B1 (de) 2004-06-02
WO1999021914A1 (en) 1999-05-06
DE69824276T2 (de) 2005-07-07

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 (fr) Procede de preparation d'un film polyolefinique microporeux hautement permeable
KR970015640A (ko) 폴리올레핀 미다공막의 제조방법
EP0057328B1 (de) Poröse Polyäthylenfolie
DE69201075D1 (de) Mikroporöse Folie aus Polyethylen und Verfahren zu ihrer Herstellung.
JPWO1999021914A1 (ja) 高透過性ポリオレフィン微多孔膜の製造方法
JP2007237178A (ja) 溶融紡糸ポリスルホン半透膜及びその製造方法
JPS5939460B2 (ja) 多孔膜の製法
ATE52423T1 (de) Verfahren zur herstellung von hydrophilen membranen und solche membranen.
ATE275169T1 (de) Polypropylenzusammensetzung zur herstellung von festkörperorientierter folie
JPH107832A (ja) 高強度ポリプロピレン多孔フィルム及びその製造方法
KR0178039B1 (ko) 미다공성 막의 제조방법 및 그 방법으로 제조되는 내용단성 미다공성 막
EP1769840A4 (de) Poröse wasserfiltermembran aus vinylidenfluoridharz-hohlfaser und herstellungsverfahren dafür
WO2014098322A1 (ko) 신규한 구조를 가지는 중공사막 및 그 제조 방법
WO2000044484A3 (en) Microporous hollow fiber membranes from perfluorinated thermoplastic polymers
JP2002518524A5 (de)
ATE129167T1 (de) Mikroporöse membranen mit gesteigerter porendichte und verfahren zur herstellung derselben.
李文俊 et al. Formation and microstructure of polyethylene microporous membranes through thermally induced phase separation
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
JP3307027B2 (ja) 多孔性樹脂成形体の製造方法
ATE171392T1 (de) Verbundmembran mit hoher selektivität und durchflüssen und verfahren zur herstellung
JP2572895B2 (ja) 多孔質中空糸膜の製造法
JPH10237201A (ja) 高分子量ポリオレフィン多孔フィルムの製造方法
JPH06128406A (ja) ポリテトラフルオロエチレン系樹脂多孔性膜の製法

Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties