CN101796108B - 微孔聚烯烃膜、其制备方法、电池隔板和电池 - Google Patents

微孔聚烯烃膜、其制备方法、电池隔板和电池 Download PDF

Info

Publication number
CN101796108B
CN101796108B CN2008801051183A CN200880105118A CN101796108B CN 101796108 B CN101796108 B CN 101796108B CN 2008801051183 A CN2008801051183 A CN 2008801051183A CN 200880105118 A CN200880105118 A CN 200880105118A CN 101796108 B CN101796108 B CN 101796108B
Authority
CN
China
Prior art keywords
film
stretching
polyolefin
polyethylene
solvent
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.)
Active
Application number
CN2008801051183A
Other languages
English (en)
Chinese (zh)
Other versions
CN101796108A (zh
Inventor
君岛康太郎
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 Industries Inc
Original Assignee
Tonen Chemical Corp
Toray Tonen Speciality Separator GK
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 Chemical Corp, Toray Tonen Speciality Separator GK filed Critical Tonen Chemical Corp
Publication of CN101796108A publication Critical patent/CN101796108A/zh
Application granted granted Critical
Publication of CN101796108B publication Critical patent/CN101796108B/zh
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

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
    • 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
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/05—Accumulators with non-aqueous electrolyte
    • H01M10/052—Li-accumulators
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/24—Alkaline accumulators
    • H01M10/30—Nickel accumulators
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/34—Gastight accumulators
    • H01M10/345—Gastight metal hydride accumulators
    • 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
    • H01M50/403—Manufacturing processes of separators, membranes or diaphragms
    • 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
    • H01M50/403—Manufacturing processes of separators, membranes or diaphragms
    • H01M50/406—Moulding; Embossing; Cutting
    • 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
    • H01M50/409—Separators, membranes or diaphragms characterised by the material
    • H01M50/411—Organic material
    • 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
    • H01M50/409—Separators, membranes or diaphragms characterised by the material
    • H01M50/411—Organic material
    • H01M50/414—Synthetic resins, e.g. thermoplastics or thermosetting resins
    • H01M50/417—Polyolefins
    • 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
    • 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
    • H01M50/491—Porosity
    • 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
    • C08J2201/05—Elimination by evaporation or heat degradation of a liquid phase
    • C08J2201/0502—Elimination by evaporation or heat degradation of a liquid phase the liquid phase 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
    • 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
    • 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
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/49108—Electric battery cell making
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/249921—Web or sheet containing structurally defined element or component
    • Y10T428/249953—Composite having voids in a component [e.g., porous, cellular, etc.]
    • Y10T428/249987—With nonvoid component of specified composition
    • Y10T428/249991—Synthetic resin or natural rubbers
    • Y10T428/249992—Linear or thermoplastic
    • Y10T428/249993—Hydrocarbon polymer

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Cell Separators (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Secondary Cells (AREA)
CN2008801051183A 2007-08-31 2008-08-29 微孔聚烯烃膜、其制备方法、电池隔板和电池 Active CN101796108B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2007226898 2007-08-31
JP2007-226898 2007-08-31
PCT/JP2008/066030 WO2009028737A1 (en) 2007-08-31 2008-08-29 Microporous polyolefin membrane, its production method, battery separator and battery

Publications (2)

Publication Number Publication Date
CN101796108A CN101796108A (zh) 2010-08-04
CN101796108B true CN101796108B (zh) 2012-08-22

Family

ID=40387432

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2008801051183A Active CN101796108B (zh) 2007-08-31 2008-08-29 微孔聚烯烃膜、其制备方法、电池隔板和电池

Country Status (5)

Country Link
US (1) US8414663B2 (enExample)
JP (1) JP5497635B2 (enExample)
KR (1) KR101477176B1 (enExample)
CN (1) CN101796108B (enExample)
WO (1) WO2009028737A1 (enExample)

Families Citing this family (39)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5614746B2 (ja) 2009-03-06 2014-10-29 国立大学法人群馬大学 超高分子量ポリエチレン製フィルムの製造方法
JP2013166804A (ja) * 2010-06-04 2013-08-29 Toray Battery Separator Film Co Ltd ポリオレフィン微多孔膜、電池用セパレータ及び電池
WO2012090632A1 (ja) * 2010-12-28 2012-07-05 旭化成イーマテリアルズ株式会社 ポリオレフィン系多孔質膜及びその製造方法
CN102751459B (zh) 2011-04-22 2016-03-23 天津东皋膜技术有限公司 后交联橡胶、聚烯烃复合材料纳米微多孔隔膜及其制造方法
KR20140048147A (ko) * 2011-06-08 2014-04-23 도레이 카부시키가이샤 다공성 폴리프로필렌 필름 및 그의 제조 방법
WO2013031795A1 (ja) * 2011-08-31 2013-03-07 三井化学株式会社 ポリオレフィン樹脂組成物およびその用途
WO2013099539A1 (ja) * 2011-12-26 2013-07-04 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フィルム、ポリオレフィン微多孔フィルムロールおよびそれらの製造方法ならびにそれらを用いた電池用セパレーター
CN102627796B (zh) * 2012-04-11 2015-06-03 中国科学院化学研究所 一种用于制造锂电池隔膜的聚乙烯组合物
TWI453114B (zh) * 2012-05-11 2014-09-21 Entire Technology Co Ltd 多孔複合膜的製造方法
KR101611229B1 (ko) * 2013-01-31 2016-04-11 제일모직 주식회사 분리막의 제조 방법과 그 분리막, 및 이를 이용한 전지
KR101350602B1 (ko) * 2013-02-12 2014-01-13 삼성토탈 주식회사 원적외선 및/또는 텐터 어닐링법을 포함하는 폴리올레핀계 분리막의 제조방법
JP5857151B2 (ja) * 2013-02-27 2016-02-10 東レバッテリーセパレータフィルム株式会社 ポリオレフィン多孔質膜、それを用いた電池用セパレータおよびそれらの製造方法
CN103342849B (zh) * 2013-07-24 2015-06-03 黑龙江省化工研究院 用于防治土壤流失的改性聚乙烯材料
KR101523433B1 (ko) * 2013-10-11 2015-05-27 주식회사 효성 내열성이 우수한 다층 미세다공막 및 그의 제조방법
CN103951881B (zh) * 2014-04-12 2016-06-08 安徽江威精密制造有限公司 一种耐高压抗击穿电容器用金属化薄膜及其制备方法
KR20160002447A (ko) * 2014-06-30 2016-01-08 제일모직주식회사 다공성 폴리올레핀계 분리막 및 이의 제조 방법
JP6202062B2 (ja) * 2014-09-30 2017-09-27 住友化学株式会社 偏光フィルムの強度測定方法及び偏光板
JP7156942B2 (ja) * 2015-09-18 2022-10-19 セルガード エルエルシー 改良された膜、カレンダー加工された微多孔膜、電池セパレータ、および関連する方法
US10153474B1 (en) * 2015-09-30 2018-12-11 Apple Inc. Separators having improved temperature ranges for battery shutdown
JP5969683B1 (ja) * 2015-11-30 2016-08-17 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
JP6822070B2 (ja) * 2016-02-17 2021-01-27 東ソー株式会社 超高分子量ポリエチレン組成物及びそれよりなる延伸微多孔膜
JP6878841B2 (ja) * 2016-03-11 2021-06-02 東ソー株式会社 超高分子量ポリエチレン組成物製セパレータ
US9966591B1 (en) 2016-12-19 2018-05-08 StoreDot Ltd. Electrode stack production methods
WO2018116295A1 (en) * 2016-12-19 2018-06-28 StoreDot Ltd. Layer preparation, treatment, transfer and lamination in cell stack assembly processes for lithium ion batteries
US10033023B2 (en) 2016-12-19 2018-07-24 StoreDot Ltd. Surface activation in electrode stack production and electrode-preparation systems and methods
JP6986873B2 (ja) * 2017-06-27 2021-12-22 住友化学株式会社 合成樹脂微多孔フィルム、蓄電デバイス用セパレータ及び蓄電デバイス
EP3677625B1 (en) 2017-08-31 2021-12-08 Asahi Kasei Kabushiki Kaisha Polyolefin microporous membrane
WO2019073595A1 (ja) * 2017-10-13 2019-04-18 Ｎｅｃエナジーデバイス株式会社 リチウムイオン二次電池
CN113226525A (zh) * 2018-12-27 2021-08-06 3M创新有限公司 非对称中空纤维膜及其制备和使用方法
CN113226526B (zh) * 2018-12-27 2024-05-14 舒万诺知识产权公司 具有成核剂的中空纤维膜及其制备和使用方法
KR102642401B1 (ko) * 2019-03-13 2024-02-28 주식회사 엘지화학 가교 폴리올레핀 분리막의 제조방법
US20220389203A1 (en) * 2019-10-08 2022-12-08 Asahi Kasei Kabushiki Kaisha Polyolefin Microporous Membrane
WO2022006217A1 (en) * 2020-07-01 2022-01-06 Celanese International Corporation Polymer composition and membranes made therefrom with improved mechanical strength
US20240006624A1 (en) * 2020-12-14 2024-01-04 Amtek Research International Llc Free-standing, ion-selective composite membranes
JP7609507B2 (ja) * 2020-12-25 2025-01-07 旭化成バッテリーセパレータ株式会社 成形用樹脂原料組成物、微多孔膜用樹脂原料組成物およびこれらの製造方法
KR102592442B1 (ko) * 2021-11-26 2023-10-25 더블유스코프코리아 주식회사 분리막 및 그 제조방법
CN114883742B (zh) * 2022-05-17 2023-02-28 东华大学 一种锂离子电池用多孔低收缩聚丙烯隔膜的制备方法
JP7750917B2 (ja) * 2023-02-17 2025-10-07 旭化成株式会社 ポリエチレン組成物、及び成形体
JP7661441B2 (ja) * 2023-02-17 2025-04-14 旭化成株式会社 ポリエチレン組成物及び成形体

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2657430B2 (ja) 1991-01-30 1997-09-24 東燃株式会社 ポリオレフィン微多孔膜及びその製造方法
JPH1121361A (ja) 1997-07-07 1999-01-26 Mitsubishi Chem Corp ポリエチレン樹脂製多孔性フィルム
JPH1121362A (ja) 1997-07-07 1999-01-26 Mitsubishi Chem Corp ポリエチレン樹脂製多孔性フィルム
CA2275891C (en) * 1997-10-23 2008-12-23 Tonen Chemical Corporation Method of producing highly permeable microporous polyolefin membrane
DE19983047B4 (de) * 1998-03-24 2005-12-15 Asahi Kasei Chemicals Corporation Mikroporöse Polyolefinmembran
WO2000020493A1 (fr) * 1998-10-01 2000-04-13 Tonen Chemical Corporation Film micro-poreux de polyolefine et son procede de fabrication
WO2000049074A1 (fr) * 1999-02-19 2000-08-24 Tonen Chemical Corporation Film microporeux polyolefinique et son procede de preparation
JP4794098B2 (ja) * 2001-09-28 2011-10-12 東レ東燃機能膜合同会社 ポリオレフィン微多孔膜の製造方法
JP4195810B2 (ja) * 2002-12-16 2008-12-17 東燃化学株式会社 ポリオレフィン微多孔膜及びその製造方法並びに用途
US20070012617A1 (en) * 2003-09-05 2007-01-18 Sadakatsu Suzuki Method for producing micro-porous film of thermoplastic resin
RU2418821C2 (ru) * 2005-03-31 2011-05-20 Тонен Кемикал Корпорейшн Способ получения микропористых полиолефиновых мембран и микропористых мембран
KR101340393B1 (ko) * 2005-11-24 2013-12-11 도레이 배터리 세퍼레이터 필름 주식회사 폴리올레핀 미세 다공막 및 그 제조 방법, 및 전지용세퍼레이터 및 전지

Also Published As

Publication number Publication date
JP2010538097A (ja) 2010-12-09
WO2009028737A1 (en) 2009-03-05
US8414663B2 (en) 2013-04-09
CN101796108A (zh) 2010-08-04
KR20100082830A (ko) 2010-07-20
KR101477176B1 (ko) 2014-12-29
US20100209745A1 (en) 2010-08-19
JP5497635B2 (ja) 2014-05-21

Similar Documents

Publication Publication Date Title
CN101796108B (zh) 微孔聚烯烃膜、其制备方法、电池隔板和电池
CN101795866B (zh) 多层微孔聚烯烃膜，其制备方法，电池隔板和电池
KR101372983B1 (ko) 폴리올레핀 미세 다공막, 그 제조 방법, 전지용 세퍼레이터 및 전지
JP5422562B2 (ja) ポリマー微多孔膜
TWI418582B (zh) 微多孔聚烯烴膜、其製法、電池隔離材及電池
CN101855751B (zh) 微孔膜和此种膜的制造和使用方法
TWI402172B (zh) 微多孔聚烯烴薄膜、其製法、電池隔離材及電池
JP5453272B2 (ja) 微多孔膜およびそのような膜を製造し使用する方法
US8304114B2 (en) Microporous polyolefin membrane and manufacturing method
US20100297491A1 (en) Microporous Polymeric Membrane, Battery Separator, and Battery
CN102869710B (zh) 聚烯烃微多孔膜、电池用隔板和电池
JP5250262B2 (ja) ポリオレフィン微多孔膜及びその製造方法、並びに電池用セパレータ及び電池
JPWO2007052663A1 (ja) ポリオレフィン微多孔膜並びにそれを用いた電池用セパレータ及び電池
US20100316902A1 (en) Microporous Multilayer Membrane, System And Process For Producing Such Membrane, And The Use Of Such Membrane
JP5250263B2 (ja) ポリオレフィン微多孔膜及びその製造方法、並びに電池用セパレータ及び電池
JP5450944B2 (ja) ポリオレフィン微多孔膜、電池用セパレータ及び電池
CN114516982B (zh) 聚烯烃微多孔膜、电池用隔膜及二次电池
EP2111909A1 (en) Microporous Polyolefin Membrane And Manufacturing Method

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
ASS Succession or assignment of patent right

Owner name: TORAY TONEN SPECIALTY SEPARATOR GK

Free format text: FORMER OWNER: TONEN CHEMICAL CORP.

Effective date: 20110628

C41 Transfer of patent application or patent right or utility model
COR Change of bibliographic data

Free format text: CORRECT: ADDRESS; FROM: TOKYO, JAPAN TO: TOCHIGI PREFECTURE, JAPAN

TA01 Transfer of patent application right

Effective date of registration: 20110628

Address after: Tochigi County, Japan

Applicant after: Tonen Sekiyukagaku KK

Address before: Tokyo, Japan

Applicant before: Tonen Sekiyukagaku KK

C14 Grant of patent or utility model
GR01 Patent grant
C56 Change in the name or address of the patentee

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

Free format text: FORMER NAME: TONEN SEKIYUKAGAKU K.K.

CP01 Change in the name or title of a patent holder

Address after: Tochigi County, Japan

Patentee after: Toray Battery Separator Film Co., Ltd.

Address before: Tochigi County, Japan

Patentee before: Tonen Sekiyukagaku KK

TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20170927

Address after: Tokyo, Japan, Japan

Patentee after: Toray Industries, Inc.

Address before: Tochigi County, Japan

Patentee before: Toray Battery Separator Film Co., Ltd.