JP7045862B2 - ポリオレフィン微多孔膜及びポリオレフィン微多孔膜の製造方法 - Google Patents

ポリオレフィン微多孔膜及びポリオレフィン微多孔膜の製造方法 Download PDF

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JP7045862B2
JP7045862B2 JP2018008645A JP2018008645A JP7045862B2 JP 7045862 B2 JP7045862 B2 JP 7045862B2 JP 2018008645 A JP2018008645 A JP 2018008645A JP 2018008645 A JP2018008645 A JP 2018008645A JP 7045862 B2 JP7045862 B2 JP 7045862B2
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microporous
polyolefin
stretching
membrane
film
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Japanese (ja)
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JP2018162438A (ja
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賢明 岡田
博 趙
まな 梶原
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Asahi Kasei Corp
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Asahi Kasei Corp
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Priority to CN201810246847.6A priority Critical patent/CN108623876B/zh
Priority to KR1020180034006A priority patent/KR102100433B1/ko
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    • 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
    • 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
    • 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
    • B29C48/001—Combinations of extrusion moulding with other shaping operations
    • B29C48/0018—Combinations of extrusion moulding with other shaping operations combined with shaping by orienting, stretching or shrinking, e.g. film blowing
    • 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
    • B29C48/001—Combinations of extrusion moulding with other shaping operations
    • B29C48/0021—Combinations of extrusion moulding with other shaping operations combined with joining, lining or laminating
    • 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
    • B29C71/00—After-treatment of articles without altering their shape; Apparatus therefor
    • B29C71/02—Thermal after-treatment
    • 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
    • H01M50/409—Separators, membranes or diaphragms characterised by the material
    • H01M50/449—Separators, membranes or diaphragms characterised by the material having a layered structure
    • 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
    • H01M50/463—Separators, membranes or diaphragms characterised by their shape
    • 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
    • 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
    • H01M50/494—Tensile strength
    • 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

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • General Chemical & Material Sciences (AREA)
  • Electrochemistry (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Cell Separators (AREA)
  • Electric Double-Layer Capacitors Or The Like (AREA)
  • Secondary Cells (AREA)
  • Laminated Bodies (AREA)
JP2018008645A 2017-03-24 2018-01-23 ポリオレフィン微多孔膜及びポリオレフィン微多孔膜の製造方法 Active JP7045862B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201810246847.6A CN108623876B (zh) 2017-03-24 2018-03-23 聚烯烃微多孔膜及聚烯烃微多孔膜的制备方法
KR1020180034006A KR102100433B1 (ko) 2017-03-24 2018-03-23 폴리올레핀 미다공막 및 폴리올레핀 미다공막의 제조 방법

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Application Number Priority Date Filing Date Title
JP2017058829 2017-03-24
JP2017058829 2017-03-24

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JP2018162438A JP2018162438A (ja) 2018-10-18
JP7045862B2 true JP7045862B2 (ja) 2022-04-01

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KR (1) KR102100433B1 (ko)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
HUE062190T2 (hu) * 2019-03-20 2023-09-28 Teijin Ltd Szeparátor nemvizes másodlagos akkumulátorhoz és nemvizes másodlagos akkumulátor
EP4043516A4 (en) * 2019-10-08 2022-11-23 Asahi Kasei Kabushiki Kaisha MICROPOROUS POLYOLEFIN MEMBRANE
WO2022092300A1 (ja) 2020-10-30 2022-05-05 旭化成株式会社 ポリオレフィン微多孔膜
CA3233382A1 (en) * 2021-09-29 2023-04-06 Ryoma KAWAGUCHI Polyolefin film and method for manufacturing polyolefin film
KR20230102009A (ko) 2021-12-29 2023-07-07 더블유스코프코리아 주식회사 분리막 제조용 연신장치 및 이를 이용한 분리막의 제조방법
WO2023176876A1 (ja) * 2022-03-18 2023-09-21 東レ株式会社 ポリオレフィン微多孔膜、電池用セパレータ、非水電解液二次電池およびフィルター
WO2023205968A1 (zh) * 2022-04-24 2023-11-02 宁德新能源科技有限公司 隔膜及包含其的装置

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009123015A1 (ja) 2008-03-31 2009-10-08 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、及び捲回物
WO2015056631A1 (ja) 2013-10-17 2015-04-23 東レバッテリーセパレータフィルム株式会社 多孔質フィルム、多孔質フィルムロール及び多孔質フィルムの製造方法

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Publication number Priority date Publication date Assignee Title
JPS6253813A (ja) 1985-09-03 1987-03-09 Asahi Chem Ind Co Ltd 積層多孔膜の製造方法
JP3507092B2 (ja) 1992-03-30 2004-03-15 日東電工株式会社 多孔質フィルム、その製造法およびその用途
TW297171B (ko) 1994-12-20 1997-02-01 Hoechst Celanese Corp
JPH10316781A (ja) 1997-05-20 1998-12-02 Nitto Denko Corp 多孔質膜及びその製造方法
JP4021266B2 (ja) 2002-07-16 2007-12-12 旭化成ケミカルズ株式会社 微多孔膜の製造方法
US8932748B2 (en) * 2005-10-24 2015-01-13 Toray Battery Separator Film Co., Ltd Multi-layer, microporous polyolefin membrane, its production method, and battery separator
US10246567B2 (en) * 2008-12-26 2019-04-02 Asahi Kasei E-Materials Corporation Polyolefin microporous film
JP5541966B2 (ja) 2009-08-06 2014-07-09 旭化成イーマテリアルズ株式会社 微多孔膜の製造方法
WO2014047126A1 (en) * 2012-09-20 2014-03-27 Celgard, Llc Thin battery separators and methods
CN107836061B (zh) 2015-07-08 2020-06-30 株式会社东芝 非水电解质电池及电池包

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009123015A1 (ja) 2008-03-31 2009-10-08 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、及び捲回物
WO2015056631A1 (ja) 2013-10-17 2015-04-23 東レバッテリーセパレータフィルム株式会社 多孔質フィルム、多孔質フィルムロール及び多孔質フィルムの製造方法

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KR20180108509A (ko) 2018-10-04
KR102100433B1 (ko) 2020-04-13
JP2018162438A (ja) 2018-10-18

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