JPH0441702B2 - - Google Patents

Info

Publication number
JPH0441702B2
JPH0441702B2 JP3457685A JP3457685A JPH0441702B2 JP H0441702 B2 JPH0441702 B2 JP H0441702B2 JP 3457685 A JP3457685 A JP 3457685A JP 3457685 A JP3457685 A JP 3457685A JP H0441702 B2 JPH0441702 B2 JP H0441702B2
Authority
JP
Japan
Prior art keywords
gel
olefin polymer
solvent
stretching
molecular weight
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
Application number
JP3457685A
Other languages
English (en)
Japanese (ja)
Other versions
JPS61195132A (ja
Inventor
Koichi Kono
Shoichi Mori
Kenji Myasaka
Joichi Tabuchi
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 JP3457685A priority Critical patent/JPS61195132A/ja
Priority to DE8686301047T priority patent/DE3676211D1/de
Priority to EP86301047A priority patent/EP0193318B1/en
Priority to US06/832,916 priority patent/US4734196A/en
Publication of JPS61195132A publication Critical patent/JPS61195132A/ja
Publication of JPH0441702B2 publication Critical patent/JPH0441702B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • 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)
JP3457685A 1985-02-25 1985-02-25 超高分子量α−オレフイン重合体微多孔膜の製造方法 Granted JPS61195132A (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP3457685A JPS61195132A (ja) 1985-02-25 1985-02-25 超高分子量α−オレフイン重合体微多孔膜の製造方法
DE8686301047T DE3676211D1 (de) 1985-02-25 1986-02-14 Mikroporoese membran aus einem alpha-olefinpolymer mit ultrahoch-molekulargewicht.
EP86301047A EP0193318B1 (en) 1985-02-25 1986-02-14 Microporous membrane of ultra-high molecular weight alpha-olefin polymer
US06/832,916 US4734196A (en) 1985-02-25 1986-02-24 Process for producing micro-porous membrane of ultra-high-molecular-weight alpha-olefin polymer, micro-porous membranes and process for producing film of ultra-high-molecular-weight alpha-olefin polymer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3457685A JPS61195132A (ja) 1985-02-25 1985-02-25 超高分子量α−オレフイン重合体微多孔膜の製造方法

Publications (2)

Publication Number Publication Date
JPS61195132A JPS61195132A (ja) 1986-08-29
JPH0441702B2 true JPH0441702B2 (ref) 1992-07-09

Family

ID=12418147

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3457685A Granted JPS61195132A (ja) 1985-02-25 1985-02-25 超高分子量α−オレフイン重合体微多孔膜の製造方法

Country Status (1)

Country Link
JP (1) JPS61195132A (ref)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
JPS63279562A (ja) * 1987-05-11 1988-11-16 Sanyo Electric Co Ltd 電池
US4867881A (en) * 1987-09-14 1989-09-19 Minnesota Minning And Manufacturing Company Orientied microporous film
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
US5116881A (en) * 1990-03-14 1992-05-26 James River Corporation Of Virginia Polypropylene foam sheets
US5922492A (en) * 1996-06-04 1999-07-13 Tonen Chemical Corporation Microporous polyolefin battery separator
US5948557A (en) * 1996-10-18 1999-09-07 Ppg Industries, Inc. Very thin microporous material
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
DE69824276T2 (de) * 1997-10-23 2005-07-07 Tonen Chemical Corp. Verfahren zur herstellung einer hochdurchlässigen mitroporösen polyolefinische folie
EP1153968B1 (en) 1998-10-01 2004-02-25 Tonen Chemical Corporation Microporous polyolefin film and process for producing the same
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
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

Also Published As

Publication number Publication date
JPS61195132A (ja) 1986-08-29

Similar Documents

Publication Publication Date Title
EP0355214B1 (en) Process for producing microporous ultra-high molecular weight polyolefin membrane
EP0193318B1 (en) Microporous membrane of ultra-high molecular weight alpha-olefin polymer
US4620955A (en) Polyethylene microporous membrane and a process for the production of the same
JP2657430B2 (ja) ポリオレフィン微多孔膜及びその製造方法
US4600633A (en) Polyethylene superthin film and a process for the production of the same
JP4121846B2 (ja) ポリオレフィン微多孔膜及びその製造方法並びに用途
JP4195810B2 (ja) ポリオレフィン微多孔膜及びその製造方法並びに用途
JP3347835B2 (ja) ポリオレフィン微多孔膜の製造方法
JPH06104736B2 (ja) ポリオレフィン微多孔膜
WO2006104165A1 (ja) ポリオレフィン微多孔膜の製造方法及びその微多孔膜
CN101155861A (zh) 聚烯烃微多孔膜及其制造方法
JP3549290B2 (ja) ポリオレフィン微多孔膜及びその製造方法
JPH0441702B2 (ref)
JPH0471416B2 (ref)
JP3072163B2 (ja) ポリオレフィン微多孔膜、その製造方法及びそれを用いた電池用セパレータ
JP3009495B2 (ja) ポリオレフィン微多孔膜及びその製造方法
JPH0653826B2 (ja) ポリエチレン微多孔膜
JPH0358288B2 (ref)
JP2006111712A (ja) ポリオレフィン微多孔膜
JP3250894B2 (ja) ポリオレフィン微多孔膜の製造方法
JP3967421B2 (ja) ポリオレフィン微多孔膜の製造方法
JP3250870B2 (ja) ポリオレフィン微多孔膜、それを用いた電池用セパレーター及びフィルター
JPH09302120A (ja) ポリオレフィン微多孔膜の製造方法
JP4017307B2 (ja) 多孔質フィルムの製造方法
JP2711633B2 (ja) ポリオレフィン微多孔膜の製造方法