JP4460668B2 - ポリオレフィン微多孔膜及びその製造方法 - Google Patents

ポリオレフィン微多孔膜及びその製造方法 Download PDF

Info

Publication number
JP4460668B2
JP4460668B2 JP05546199A JP5546199A JP4460668B2 JP 4460668 B2 JP4460668 B2 JP 4460668B2 JP 05546199 A JP05546199 A JP 05546199A JP 5546199 A JP5546199 A JP 5546199A JP 4460668 B2 JP4460668 B2 JP 4460668B2
Authority
JP
Japan
Prior art keywords
polyolefin
molecular weight
microporous membrane
weight
average 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
JP05546199A
Other languages
English (en)
Japanese (ja)
Other versions
JP2000248093A (ja
JP2000248093A5 (enExample
Inventor
耕太郎 滝田
英彦 船岡
教充 開米
茂明 小林
公一 河野
Original Assignee
東燃化学株式会社
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 東燃化学株式会社 filed Critical 東燃化学株式会社
Priority to JP05546199A priority Critical patent/JP4460668B2/ja
Publication of JP2000248093A publication Critical patent/JP2000248093A/ja
Publication of JP2000248093A5 publication Critical patent/JP2000248093A5/ja
Application granted granted Critical
Publication of JP4460668B2 publication Critical patent/JP4460668B2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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

  • Separation Using Semi-Permeable Membranes (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Cell Separators (AREA)
JP05546199A 1999-03-03 1999-03-03 ポリオレフィン微多孔膜及びその製造方法 Expired - Lifetime JP4460668B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP05546199A JP4460668B2 (ja) 1999-03-03 1999-03-03 ポリオレフィン微多孔膜及びその製造方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP05546199A JP4460668B2 (ja) 1999-03-03 1999-03-03 ポリオレフィン微多孔膜及びその製造方法

Publications (3)

Publication Number Publication Date
JP2000248093A JP2000248093A (ja) 2000-09-12
JP2000248093A5 JP2000248093A5 (enExample) 2006-02-16
JP4460668B2 true JP4460668B2 (ja) 2010-05-12

Family

ID=12999253

Family Applications (1)

Application Number Title Priority Date Filing Date
JP05546199A Expired - Lifetime JP4460668B2 (ja) 1999-03-03 1999-03-03 ポリオレフィン微多孔膜及びその製造方法

Country Status (1)

Country Link
JP (1) JP4460668B2 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20210080364A1 (en) * 2018-03-28 2021-03-18 Lg Chem, Ltd. Method for evaluating stability of separator

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6749961B1 (en) * 2000-04-10 2004-06-15 Celgard Inc. Shutdown battery separator made with a blend of polymer and oligomer
JP2002284918A (ja) * 2001-03-23 2002-10-03 Tonen Chem Corp ポリオレフィン微多孔膜及びその製造方法並びに用途
WO2004020511A1 (ja) * 2002-08-28 2004-03-11 Asahi Kasei Chemicals Corporation ポリオレフィン製微多孔膜及びその評価方法
CA2623179C (en) 2005-09-28 2013-04-23 Tonen Chemical Corporation Production method of microporous polyethylene membrane and battery separator
JP5202816B2 (ja) * 2006-04-07 2013-06-05 東レバッテリーセパレータフィルム株式会社 ポリオレフィン微多孔膜及びその製造方法
JP4902455B2 (ja) * 2006-08-01 2012-03-21 東レ東燃機能膜合同会社 ポリオレフィン多層微多孔膜、その製造方法、電池用セパレータ及び電池
JP5500765B2 (ja) * 2007-05-02 2014-05-21 三菱レイヨン株式会社 脱気用複合中空糸膜及びその製造方法
EP2169742A4 (en) 2007-06-06 2013-06-26 Teijin Ltd MICROPOROUS POLYOLEFIN MEMBRANE BASE FOR A SEPARATE WATER-FREE SECONDARY BATTERY, METHOD FOR THE PRODUCTION THEREOF, A WATER-FREE SECONDARY BATTERY DISTRIBUTOR AND A WATER-FREE SECONDARY BATTERY
JP5325405B2 (ja) * 2007-10-09 2013-10-23 旭化成イーマテリアルズ株式会社 ポリオレフィン製微多孔膜
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
US9276244B2 (en) 2012-02-08 2016-03-01 Sumitomo Chemical Company, Limited Method for producing polyolefin porous film, and laminated porous film
JP5694971B2 (ja) 2012-02-08 2015-04-01 住友化学株式会社 ポリオレフィン微多孔フィルムの製造方法及び積層多孔フィルムの製造方法
JP6095226B2 (ja) * 2013-12-06 2017-03-15 株式会社日本製鋼所 フィルム延伸機における延伸方法及びポリオレフィン微多孔延伸フィルムの延伸装置
EP3181622B1 (en) * 2014-08-12 2020-12-30 Toray Industries, Inc. Polyolefin microporous membrane and method for manufacturing same, separator for nonaqueous-electrolyte secondary cell, and nonaqueous-electrolyte secondary cell
JP6886839B2 (ja) * 2017-02-27 2021-06-16 旭化成株式会社 ポリオレフィン微多孔膜
US20200006735A1 (en) * 2017-03-22 2020-01-02 Toray Industries, Inc. Microporous polyolefin membrane and battery including same
CN119704705B (zh) * 2025-01-24 2025-10-10 宁波大学 一种超高分子量聚乙烯双轴取向薄膜的制备方法

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20210080364A1 (en) * 2018-03-28 2021-03-18 Lg Chem, Ltd. Method for evaluating stability of separator
US12055524B2 (en) * 2018-03-28 2024-08-06 Lg Energy Solution, Ltd. Method for evaluating stability of separator

Also Published As

Publication number Publication date
JP2000248093A (ja) 2000-09-12

Similar Documents

Publication Publication Date Title
JP4494638B2 (ja) ポリオレフィン微多孔膜及びその製造方法
JP4494637B2 (ja) ポリオレフィン微多孔膜及びその製造方法
KR100676080B1 (ko) 폴리올레핀 미세다공성 막과 그의 제조방법
KR100667052B1 (ko) 폴리올레핀 미세다공성 막과 그의 제조방법
JP4460668B2 (ja) ポリオレフィン微多孔膜及びその製造方法
JP4677663B2 (ja) ポリオレフィン微多孔膜
JP5202948B2 (ja) ポリオレフィン微多孔膜の製造方法
JPWO2000020493A1 (ja) ポリオレフィン微多孔膜及びその製造方法
JPWO2000020492A1 (ja) ポリオレフィン微多孔膜及びその製造方法
US20090098341A1 (en) Microporous polyolefin membrane and method for producing the same
WO2013031795A1 (ja) ポリオレフィン樹脂組成物およびその用途
JP3699562B2 (ja) ポリオレフィン微多孔膜及びその製造方法
JP3549290B2 (ja) ポリオレフィン微多孔膜及びその製造方法
JP4280371B2 (ja) ポリオレフィン微多孔膜及びその製造方法
JP3682120B2 (ja) 電池セパレーター用複合膜及び電池用セパレーター
US20090146334A1 (en) Method for producing microporous polyolefin membrane and microporous membrane
JP4374105B2 (ja) 積層複合膜
JP4467114B2 (ja) 積層複合膜
JP3989081B2 (ja) ポリエチレン微多孔膜
JPH093228A (ja) ポリオレフィン微多孔膜の製造方法
JP2000248088A (ja) ポリオレフィン微多孔膜及びその製造方法
JP3641319B2 (ja) ポリオレフィン微多孔膜の製造方法
JPWO2000049073A1 (ja) ポリオレフィン微多孔膜及びその製造方法
JPWO2000049074A1 (ja) ポリオレフィン微多孔膜及びその製造方法

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20051227

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20051227

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20080616

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20080708

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20080908

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20090106

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20090209

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20100126

A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20100215

R150 Certificate of patent or registration of utility model

Free format text: JAPANESE INTERMEDIATE CODE: R150

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20130219

Year of fee payment: 3

S111 Request for change of ownership or part of ownership

Free format text: JAPANESE INTERMEDIATE CODE: R313113

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20130219

Year of fee payment: 3

R350 Written notification of registration of transfer

Free format text: JAPANESE INTERMEDIATE CODE: R350

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20130219

Year of fee payment: 3

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20130219

Year of fee payment: 3

S533 Written request for registration of change of name

Free format text: JAPANESE INTERMEDIATE CODE: R313533

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20130219

Year of fee payment: 3

R350 Written notification of registration of transfer

Free format text: JAPANESE INTERMEDIATE CODE: R350

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20130219

Year of fee payment: 3

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20130219

Year of fee payment: 3

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20140219

Year of fee payment: 4

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

S111 Request for change of ownership or part of ownership

Free format text: JAPANESE INTERMEDIATE CODE: R313111

R350 Written notification of registration of transfer

Free format text: JAPANESE INTERMEDIATE CODE: R350

EXPY Cancellation because of completion of term