JPH0575011B2 - - Google Patents

Info

Publication number
JPH0575011B2
JPH0575011B2 JP62108169A JP10816987A JPH0575011B2 JP H0575011 B2 JPH0575011 B2 JP H0575011B2 JP 62108169 A JP62108169 A JP 62108169A JP 10816987 A JP10816987 A JP 10816987A JP H0575011 B2 JPH0575011 B2 JP H0575011B2
Authority
JP
Japan
Prior art keywords
molecular weight
gel
solvent
ultra
high molecular
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
JP62108169A
Other languages
English (en)
Japanese (ja)
Other versions
JPS63273651A (ja
Inventor
Koichi Kono
Kenkichi Okamoto
Rumi Nagashima
Shuichi Sawada
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.)
Tonen General Sekiyu KK
Original Assignee
Tonen 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 Corp filed Critical Tonen Corp
Priority to JP62108169A priority Critical patent/JPS63273651A/ja
Priority to US07/223,123 priority patent/US4873034A/en
Priority to EP88306777A priority patent/EP0355214B1/en
Publication of JPS63273651A publication Critical patent/JPS63273651A/ja
Publication of JPH0575011B2 publication Critical patent/JPH0575011B2/ja
Granted 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/022—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the choice of material
    • 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
    • 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
    • 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
    • B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/919—Thermal treatment of the stream of extruded material, e.g. cooling using a bath, e.g. extruding into an open bath to coagulate or cool the material
    • 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
    • C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/18—Manufacture of films or sheets
    • 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
    • C08J9/28—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof by elimination of a liquid phase from a macromolecular composition or article, e.g. drying of coagulum
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/489—Separators, membranes, diaphragms or spacing elements inside the cells, characterised by their physical properties, e.g. swelling degree, hydrophilicity or shut down properties
    • 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
    • B01D2325/00—Details relating to properties of membranes
    • B01D2325/24—Mechanical properties, e.g. strength
    • 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
    • B29C48/05—Filamentary, e.g. strands
    • 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
    • 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
    • B29K2995/0088—Molecular weight
    • 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
    • C08J2201/00—Foams characterised by the foaming process
    • C08J2201/02—Foams characterised by the foaming process characterised by mechanical pre- or post-treatments
    • C08J2201/03—Extrusion of the foamable blend
    • 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
    • C08J2201/00—Foams characterised by the foaming process
    • C08J2201/04—Foams characterised by the foaming process characterised by the elimination of a liquid or solid component, e.g. precipitation, leaching out, evaporation
    • C08J2201/054—Precipitating the polymer by adding a non-solvent or a different solvent
    • C08J2201/0542—Precipitating the polymer by adding a non-solvent or a different solvent from an organic solvent-based polymer composition
    • C08J2201/0543—Precipitating the polymer by adding a non-solvent or a different solvent from an organic solvent-based polymer composition the non-solvent being organic
    • 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
    • C08J2201/00—Foams characterised by the foaming process
    • C08J2201/04—Foams characterised by the foaming process characterised by the elimination of a liquid or solid component, e.g. precipitation, leaching out, evaporation
    • C08J2201/054—Precipitating the polymer by adding a non-solvent or a different solvent
    • C08J2201/0545—Precipitating the polymer by adding a non-solvent or a different solvent from an aqueous solvent-based polymer composition
    • C08J2201/0546—Precipitating the polymer by adding a non-solvent or a different solvent from an aqueous solvent-based polymer composition the non-solvent being organic
    • 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
    • C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
    • C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
    • C08J2323/04—Homopolymers or copolymers of ethene
    • C08J2323/06—Polyethene
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
JP62108169A 1987-04-30 1987-04-30 超高分子量ポリエチレン微多孔膜の製造方法 Granted JPS63273651A (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP62108169A JPS63273651A (ja) 1987-04-30 1987-04-30 超高分子量ポリエチレン微多孔膜の製造方法
US07/223,123 US4873034A (en) 1987-04-30 1988-07-22 Process for producing microporous ultra-high-molecular-weight polyolefin membrane
EP88306777A EP0355214B1 (en) 1987-04-30 1988-07-22 Process for producing microporous ultra-high molecular weight polyolefin membrane

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62108169A JPS63273651A (ja) 1987-04-30 1987-04-30 超高分子量ポリエチレン微多孔膜の製造方法

Publications (2)

Publication Number Publication Date
JPS63273651A JPS63273651A (ja) 1988-11-10
JPH0575011B2 true JPH0575011B2 (enExample) 1993-10-19

Family

ID=14477732

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62108169A Granted JPS63273651A (ja) 1987-04-30 1987-04-30 超高分子量ポリエチレン微多孔膜の製造方法

Country Status (3)

Country Link
US (1) US4873034A (enExample)
EP (1) EP0355214B1 (enExample)
JP (1) JPS63273651A (enExample)

Families Citing this family (71)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06104736B2 (ja) * 1989-08-03 1994-12-21 東燃株式会社 ポリオレフィン微多孔膜
US5120594A (en) * 1989-11-20 1992-06-09 Minnesota Mining And Manufacturing Company Microporous polyolefin shaped articles with patterned surface areas of different porosity
US5238623A (en) * 1989-11-20 1993-08-24 Minnesota Mining And Manufacturing Company Method for preparing microporous polyolefin shaped articles
NL9100278A (nl) * 1991-02-18 1992-09-16 Stamicarbon Microporeuze folie en werkwijze voor de vervaardiging daarvan.
NL9100279A (nl) * 1991-02-18 1992-09-16 Stamicarbon Microporeuze folie uit polyetheen en werkwijze voor de vervaardiging daarvan.
NL9101876A (nl) * 1991-11-11 1993-06-01 Dsm Nv Werkwijze voor het vervaardigen van een stoomsteriliseerbaar poreus polyolefinemembraan en bij 134 graden celsius stoomsteriliseerbaar polyetheenmembraan.
KR960015305B1 (ko) * 1991-12-27 1996-11-07 미쓰이세끼유 가가꾸고오교오 가부시끼가이샤 고분자 폴리에틸렌의 2축 배향필름과 그의 제조방법, 표면개질 고분자 폴리에틸렌의 2축 배향필름 및 그의 제조방법
US5674919A (en) * 1991-12-27 1997-10-07 Mitsui Petrochemical Industries, Ltd. Biaxially oriented film of high molecular weight polyethylene, process for preparing the same, surface-modified biaxially oriented film of high molecular weight polyethylene and process for preparing the same
US5843358A (en) * 1992-11-12 1998-12-01 Dsm N.V. Process for producing a steam-sterilizable porous polyolefin membrane and polyethylene membrane steam-sterlizable at 134° C.
DE69320927T2 (de) * 1992-12-21 1999-02-18 Mitsubishi Chemical Corp., Tokio/Tokyo Poröse(r) Film oder Folie, Batterie-Separator und Lithium-Batterie
AT403860B (de) * 1993-02-02 1998-06-25 Jungfer Gmbh & Co Kg Verfahren zur herstellung eines mikroporösen batteriescheiders und damit hergestellte elektrische zellen und akkumulatoren
US5407623A (en) * 1994-01-06 1995-04-18 Polteco, Inc. Process for obtaining ultra-high modulus line products with enhanced mechanical properties
DE69626194T2 (de) * 1995-03-03 2003-11-27 Asahi Kasei Kogyo K.K., Osaka Mikroporöser polyethylenfilm und verfahren zu dessen herstellung
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
US5759678A (en) * 1995-10-05 1998-06-02 Mitsubishi Chemical Corporation High-strength porous film and process for producing the same
US5922492A (en) * 1996-06-04 1999-07-13 Tonen Chemical Corporation Microporous polyolefin battery separator
EP0862491A1 (en) * 1996-07-09 1998-09-09 Teijin Limited A filter member
US5786396A (en) * 1996-08-21 1998-07-28 Tonen Chemical Corporation Method of producing microporous polyolefin membrane
US5885721A (en) * 1996-10-03 1999-03-23 Mobil Oil Corporation Multilaminar high density polyethylene film with high biaxial orientation
US5948557A (en) * 1996-10-18 1999-09-07 Ppg Industries, Inc. Very thin microporous material
WO1998039379A1 (fr) * 1997-03-06 1998-09-11 Asahi Kasei Kogyo Kabushiki Kaisha Membrane microporeuse et procede de preparation
JP3638401B2 (ja) * 1997-04-23 2005-04-13 東燃化学株式会社 ポリオレフィン微多孔膜の製造方法
US6277464B1 (en) * 1997-05-16 2001-08-21 Pall Corporation Polymeric integral net
ATE268351T1 (de) * 1997-10-23 2004-06-15 Tonen Sekiyukagaku Kk Verfahren zur herstellung einer hochdurchlässigen mitroporösen polyolefinische folie
KR100621302B1 (ko) * 1998-06-05 2006-09-13 디에스엠 아이피 어셋츠 비.브이. 미세다공성 필름을 제조하는 방법
DE69915131T2 (de) 1998-10-01 2004-12-30 Tonen Chemical Corp. Mikroporöse Polyolefinmembran und Verfahren zur Herstellung derselben
US6666969B1 (en) * 1998-10-01 2003-12-23 Tonen Chemical Corporation Microporous polyolefin film and process for producing the same
EP1097962B2 (en) * 1999-02-19 2013-07-17 Toray Battery Separator Film Co., Ltd. Polyolefin microporous film and method for preparing the same
US6617074B1 (en) * 1999-06-30 2003-09-09 Mitsubishi Materials Corporation Lithium ion polymer secondary battery and gelatinous polymer electrolyte for sheet battery
DE10040778C2 (de) * 2000-08-21 2002-11-21 Daramic Inc Fische anlockende Duft-und Lockkörper auf Basis von porösem, thermoplastischen Kunststoff
US6482074B1 (en) * 2000-12-04 2002-11-19 Taiwan Semiconductor Manufacturing Co., Ltd Apparatus and method for transferring a torque from a rotating hub frame to a hub shaft
RU2205845C2 (ru) * 2001-07-25 2003-06-10 Бакеев Николай Филиппович Способ получения пористого пленочного материала из насцентного реакторного порошка сверхвысокомолекулярного полиэтилена
US7332531B2 (en) * 2004-06-11 2008-02-19 Sk Corporation Microporous high density polyethylene film
US7435761B2 (en) * 2004-07-06 2008-10-14 Sk Energy Co., Ltd. Microporous polyethylene film and method of producing the same
US20060008636A1 (en) * 2004-07-06 2006-01-12 Lee Young K Microporous polyethylene film and method of producing the same
EP2263784B1 (en) * 2004-12-22 2012-03-28 Entegris, Inc. Multilayer porous membrane and process of manufacture
JP4384630B2 (ja) 2004-12-23 2009-12-16 トーレ・サエハン・インコーポレーテッド 二次電池セパレータ用ポリエチレン微多孔膜及びその製造方法
KR100943697B1 (ko) * 2005-04-06 2010-02-23 에스케이에너지 주식회사 물성, 생산성 및 품질 균일도가 우수한 폴리에틸렌 미세다공막 및 그 제조방법
US20090061192A1 (en) * 2005-04-14 2009-03-05 Teijin Limited Reflective sheet and production method thereof
KR100943235B1 (ko) * 2005-05-16 2010-02-18 에스케이에너지 주식회사 압출혼련성과 물성이 우수한 고밀도폴리에틸렌 미세다공막및 그 제조방법
KR100943236B1 (ko) * 2006-02-14 2010-02-18 에스케이에너지 주식회사 용융파단 특성이 우수한 폴리올레핀 미세다공막 및 그제조방법
US10615388B2 (en) 2006-03-22 2020-04-07 Celgard, Llc Membrane made of a blend of UHMW polyolefins
US20070298511A1 (en) * 2006-04-27 2007-12-27 The Texas A&M University System Nanopore sensor system
US20070264578A1 (en) * 2006-05-15 2007-11-15 Tonen Chemical Corporation Microporous polyolefin membrane, its production method and battery separator
CN101164677B (zh) * 2006-10-18 2010-05-12 中国科学院化学研究所 热致相分离法制备超高分子量聚乙烯多孔膜的方法
GB0717150D0 (en) * 2007-09-04 2007-10-17 Univ Warwick Apparatus and method
CN101747549B (zh) * 2008-12-18 2013-06-19 比亚迪股份有限公司 一种聚烯烃微多孔膜及其制备方法
JP5630827B2 (ja) * 2010-08-05 2014-11-26 日東電工株式会社 ポリオレフィン多孔質膜およびその製造方法ならびにその製造装置
GB201212135D0 (en) 2012-07-09 2012-08-22 Base4 Innovation Ltd Improved sequencing apparatus
WO2014020545A1 (en) 2012-07-30 2014-02-06 Sabic Innovative Plastics Ip B.V. High temperature melt integrity separator
CN102774009A (zh) * 2012-08-07 2012-11-14 重庆纽米新材料科技有限责任公司 聚烯烃微孔膜的制备方法
US9577235B2 (en) 2012-12-18 2017-02-21 Sabic Global Technologies B.V. High temperature melt integrity battery separators via spinning
CN103273654B (zh) * 2013-04-24 2015-11-25 深圳中兴创新材料技术有限公司 一种超薄聚烯烃微孔膜制备方法及其制备的聚烯烃微孔膜
JP6025956B1 (ja) 2015-11-30 2016-11-16 住友化学株式会社 非水電解液二次電池用セパレータ、非水電解液二次電池用積層セパレータ、非水電解液二次電池用部材および非水電解液二次電池
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
US12576367B2 (en) 2021-08-30 2026-03-17 W. L. Gore & Associates, Inc. Polyethylene membrane acoustic assembly
KR20240129200A (ko) 2022-01-14 2024-08-27 더블유. 엘. 고어 앤드 어소시에이트스, 인코포레이티드 습기 제거 장치 및 방법
JP2026500247A (ja) 2022-12-12 2026-01-06 ダブリュ.エル.ゴア アンド アソシエイツ,インコーポレイティド 高密度ポリエチレン膜を含む音響デバイス、前記音響デバイスを含む電子デバイス、音響デバイスの製造方法及び音響デバイスにおける高密度ポリエチレン膜の使用
KR20260005310A (ko) 2023-05-09 2026-01-09 더블유. 엘. 고어 앤드 어소시에이트스, 인코포레이티드 개선된 벤트 조립체
WO2025006862A1 (en) 2023-06-30 2025-01-02 W. L. Gore & Associates, Inc. An electrolyzer porous diaphragm, method for producing the same, an electrolyzer comprising the porous diaphragm, and use of the porous diaphragm in electrolysis
WO2025006881A1 (en) 2023-06-30 2025-01-02 W. L. Gore & Associates, Inc. Composite membranes, membrane-reinforced opaloids, supported liquid membranes, and methods for manufacture thereof
WO2025006889A1 (en) 2023-06-30 2025-01-02 W. L. Gore & Associates, Inc. Systems for use as electrochemical separators, supported liquid membranes, and methods for manufacture thereof
WO2025049833A1 (en) 2023-09-01 2025-03-06 W. L. Gore & Associates, Inc. Improved vent
EP4523779A1 (en) 2023-09-12 2025-03-19 W. L. Gore & Associates, Inc. Dehumidifying systems
EP4784385A1 (en) 2023-09-25 2026-08-05 W. L. Gore & Associates, Inc. Improved sheet for the production of improved vent assemblies
KR20260084586A (ko) * 2023-09-29 2026-06-05 도레이 카부시키가이샤 폴리올레핀 미다공막 및 그 제조방법
WO2026020092A1 (en) 2024-07-19 2026-01-22 W. L. Gore & Associates, Inc. Polyethylene membrane and acoustic devices comprising a polyethylene membrane
WO2026035792A1 (en) 2024-08-07 2026-02-12 W. L. Gore & Associates, Inc. Multilayer coated vent assembly
WO2026059604A1 (en) 2024-09-11 2026-03-19 W. L. Gore & Associates, Inc. Dehumidifying systems and methods
WO2026147715A2 (en) 2024-12-30 2026-07-09 W. L. Gore & Associates, Inc. Electrochemical separators, electrochemical devices and related methods
WO2026147720A2 (en) 2024-12-30 2026-07-09 W. L. Gore & Associates, Inc. Systems comprising membrane reinforced colloidal condensed phases, supported liquid membranes, and methods for manufacture thereof

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3954927A (en) * 1973-02-05 1976-05-04 Sun Ventures, Inc. Method of making porous objects of ultra high molecular weight polyethylene
US4413110A (en) * 1981-04-30 1983-11-01 Allied Corporation High tenacity, high modulus polyethylene and polypropylene fibers and intermediates therefore
AU549453B2 (en) * 1981-04-30 1986-01-30 Allied Corporation High tenacity, high modulus, cyrstalline thermoplastic fibres
US4472328A (en) * 1981-06-09 1984-09-18 Mitsubishi Chemical Industries, Ltd. Process for producing porous film or sheet
US4551296A (en) * 1982-03-19 1985-11-05 Allied Corporation Producing high tenacity, high modulus crystalline article such as fiber or film
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
DE3676211D1 (de) * 1985-02-25 1991-01-31 Tonen Corp Mikroporoese membran aus einem alpha-olefinpolymer mit ultrahoch-molekulargewicht.
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

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US4873034A (en) 1989-10-10
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EP0355214B1 (en) 1994-05-18

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