CN102869490A - 流延薄膜、微孔膜、以及它们的制备方法 - Google Patents

流延薄膜、微孔膜、以及它们的制备方法 Download PDF

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Publication number
CN102869490A
CN102869490A CN2010800373882A CN201080037388A CN102869490A CN 102869490 A CN102869490 A CN 102869490A CN 2010800373882 A CN2010800373882 A CN 2010800373882A CN 201080037388 A CN201080037388 A CN 201080037388A CN 102869490 A CN102869490 A CN 102869490A
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China
Prior art keywords
film
approximately
temperature
films
cast
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CN2010800373882A
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English (en)
Chinese (zh)
Inventor
赛义德·赫萨莫德丁·塔巴塔贝
皮埃尔·卡雷奥
阿卜杜拉·阿吉
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Polyvalor SC
National Research Council of Canada
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Polyvalor SC
National Research Council of Canada
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Publication of CN102869490A publication Critical patent/CN102869490A/zh
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D67/00Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C55/00Shaping by stretching, e.g. drawing through a die; Apparatus therefor
    • B29C55/005Shaping by stretching, e.g. drawing through a die; Apparatus therefor characterised by the choice of materials
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D67/00Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
    • B01D67/0002Organic membrane manufacture
    • B01D67/002Organic membrane manufacture from melts
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D67/00Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
    • B01D67/0002Organic membrane manufacture
    • B01D67/0023Organic membrane manufacture by inducing porosity into non porous precursor membranes
    • B01D67/0025Organic membrane manufacture by inducing porosity into non porous precursor membranes by mechanical treatment, e.g. pore-stretching
    • B01D67/0027Organic membrane manufacture by inducing porosity into non porous precursor membranes by mechanical treatment, e.g. pore-stretching by stretching
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D69/00Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/12Composite membranes; Ultra-thin membranes
    • B01D69/1212Coextruded layers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D69/00Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/12Composite membranes; Ultra-thin membranes
    • B01D69/1216Three or more layers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D71/00Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
    • B01D71/06Organic material
    • B01D71/26Polyalkenes
    • B01D71/261Polyethylene
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D71/00Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
    • B01D71/06Organic material
    • B01D71/26Polyalkenes
    • B01D71/262Polypropylene
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03Extrusion 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
    • B29C48/07Flat, e.g. panels
    • B29C48/08Flat, e.g. panels flexible, e.g. films
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/16Articles comprising two or more components, e.g. co-extruded layers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25Component parts, details or accessories; Auxiliary operations
    • B29C48/88Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/911Cooling
    • B29C48/9135Cooling of flat articles, e.g. using specially adapted supporting means
    • B29C48/915Cooling of flat articles, e.g. using specially adapted supporting means with means for improving the adhesion to the supporting means
    • B29C48/917Cooling of flat articles, e.g. using specially adapted supporting means with means for improving the adhesion to the supporting means by applying pressurised gas to the surface of the flat article
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29DPRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D7/00Producing flat articles, e.g. films or sheets
    • B29D7/01Films or sheets
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2323/00Details relating to membrane preparation
    • B01D2323/08Specific temperatures applied
    • B01D2323/081Heating
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2323/00Details relating to membrane preparation
    • B01D2323/08Specific temperatures applied
    • B01D2323/082Cooling
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03Extrusion 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
    • B29C48/09Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
    • B29C48/10Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels flexible, e.g. blown foils
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25Component parts, details or accessories; Auxiliary operations
    • B29C48/88Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/911Cooling
    • B29C48/9135Cooling of flat articles, e.g. using specially adapted supporting means
    • B29C48/914Cooling drums
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C55/00Shaping by stretching, e.g. drawing through a die; Apparatus therefor
    • B29C55/02Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets
    • B29C55/023Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets using multilayered plates or sheets
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29KINDEXING 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
    • B29K2023/00Use of polyalkenes or derivatives thereof as moulding material
    • B29K2023/04Polymers of ethylene
    • B29K2023/06PE, i.e. polyethylene
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29KINDEXING 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
    • B29K2023/00Use of polyalkenes or derivatives thereof as moulding material
    • B29K2023/10Polymers of propylene
    • B29K2023/12PP, i.e. polypropylene
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29KINDEXING 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
    • B29K2105/00Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/04Condition, form or state of moulded material or of the material to be shaped cellular or porous
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/249921Web or sheet containing structurally defined element or component
    • Y10T428/249953Composite having voids in a component [e.g., porous, cellular, etc.]
    • Y10T428/249978Voids specified as micro

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (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)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
  • Laminated Bodies (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
CN2010800373882A 2009-06-23 2010-06-18 流延薄膜、微孔膜、以及它们的制备方法 Pending CN102869490A (zh)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US21958109P 2009-06-23 2009-06-23
US61/219,581 2009-06-23
US28804209P 2009-12-18 2009-12-18
US61/288,042 2009-12-18
PCT/CA2010/000952 WO2010148492A1 (en) 2009-06-23 2010-06-18 Cast films, microporous membranes, and method of preparation thereof

Publications (1)

Publication Number Publication Date
CN102869490A true CN102869490A (zh) 2013-01-09

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN2010800373882A Pending CN102869490A (zh) 2009-06-23 2010-06-18 流延薄膜、微孔膜、以及它们的制备方法

Country Status (6)

Country Link
US (1) US20120276367A1 (https=)
JP (1) JP2012530814A (https=)
KR (1) KR20120104142A (https=)
CN (1) CN102869490A (https=)
CA (1) CA2802583A1 (https=)
WO (1) WO2010148492A1 (https=)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105181733A (zh) * 2015-08-06 2015-12-23 江苏安瑞达新材料有限公司 一种利用dsc模拟聚烯烃流延基膜退火处理的方法
CN110204816A (zh) * 2019-06-22 2019-09-06 天津登峰卫生用品材料有限公司 一种可撕包膜及其制备方法
CN113226732A (zh) * 2018-12-27 2021-08-06 宇部兴产株式会社 聚烯烃微多孔膜及蓄电装置

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102825805B (zh) * 2012-09-12 2015-09-09 成都芝田高分子材料有限公司 聚丙烯微孔膜制备方法
CN103647036B (zh) * 2013-12-10 2016-01-06 深圳市星源材质科技股份有限公司 一种高强度微孔锂离子电池隔膜的制备方法及电池隔膜
US9492332B2 (en) 2014-05-13 2016-11-15 Clopay Plastic Products Company, Inc. Breathable and microporous thin thermoplastic film
CN107920926A (zh) 2015-07-10 2018-04-17 比瑞全球有限公司 微孔透气膜和制造该微孔透气膜的方法
MX2018005624A (es) 2015-11-05 2018-09-05 Berry Global Inc Peliculas polimericas y metodos para fabricar peliculas polimericas.
US11472085B2 (en) 2016-02-17 2022-10-18 Berry Plastics Corporation Gas-permeable barrier film and method of making the gas-permeable barrier film
US11584111B2 (en) 2018-11-05 2023-02-21 Windmoeller & Hoelscher Kg Breathable thermoplastic film with reduced shrinkage
US20240170803A1 (en) * 2022-11-21 2024-05-23 Ii-Vi Delaware, Inc. Electrochemical Device Separator

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5660922A (en) * 1991-10-01 1997-08-26 Minnesota Mining And Manufacturing Company Coextruded pressure-sensitive adhesive tape and method of making
CN1329638A (zh) * 1998-12-08 2002-01-02 Lg化学株式会社 由聚烯烃掺混物制备的二次电池隔板和微孔膜及其制备方法
US6479007B1 (en) * 1999-09-16 2002-11-12 University Technology Corporation Apparatus and method for controlling pore size in polymeric membranes and thin films
CN1408526A (zh) * 2001-10-01 2003-04-09 富士胶片株式会社 溶液制膜方法以及溶液制膜装置

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4276179A (en) * 1979-06-01 1981-06-30 Celanese Corporation Removing halogenated hydrocarbons from aqueous media by utilizing a polyolefinic microporous adsorbent
DE3564078D1 (en) * 1984-11-09 1988-09-08 Terumo Corp Flat permeable membrane and method for manufacture thereof
JPH02294340A (ja) * 1989-05-09 1990-12-05 Toray Ind Inc ポリプロピレンフイルム
JP2917331B2 (ja) * 1989-11-24 1999-07-12 東レ株式会社 白色不透明化ポリオレフィンフイルム
JP3003830B2 (ja) * 1994-05-12 2000-01-31 宇部興産株式会社 積層多孔質フイルム及びその製法
JP3582670B2 (ja) * 1995-02-24 2004-10-27 東レ株式会社 ポリエステルフィルムおよびその製造方法
JP3852492B2 (ja) * 1996-08-06 2006-11-29 宇部興産株式会社 電池用セパレータの製造法
US6090898A (en) * 1997-02-26 2000-07-18 Toray Industries, Inc. Polyester film and a production process thereof
US6331343B1 (en) * 1999-05-07 2001-12-18 3M Innovative Properties Company Films having a fibrillated surface and method of making
US6809168B2 (en) * 1999-12-10 2004-10-26 Exxonmobil Chemical Patents Inc. Articles formed from propylene diene copolymers
JP2002273780A (ja) * 2001-03-21 2002-09-25 Daiya Plastic Kk 熱可塑性樹脂フィルムの冷却方法
JP4202728B2 (ja) * 2001-11-19 2008-12-24 三井化学ファブロ株式会社 ポリオレフィン系ストレッチフィルム及びその製造方法
JP4574260B2 (ja) * 2004-07-16 2010-11-04 東セロ株式会社 樹脂フィルムの製造方法及び樹脂フィルム成形用エッジピンニング装置
KR100961660B1 (ko) * 2005-12-21 2010-06-09 에스케이에너지 주식회사 반결정고분자 미세다공막 및 그 제조방법
US20070264578A1 (en) * 2006-05-15 2007-11-15 Tonen Chemical Corporation Microporous polyolefin membrane, its production method and battery separator
JP5361363B2 (ja) * 2008-12-15 2013-12-04 旭化成イーマテリアルズ株式会社 積層微多孔性フィルム及びその製造方法

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5660922A (en) * 1991-10-01 1997-08-26 Minnesota Mining And Manufacturing Company Coextruded pressure-sensitive adhesive tape and method of making
CN1329638A (zh) * 1998-12-08 2002-01-02 Lg化学株式会社 由聚烯烃掺混物制备的二次电池隔板和微孔膜及其制备方法
US6479007B1 (en) * 1999-09-16 2002-11-12 University Technology Corporation Apparatus and method for controlling pore size in polymeric membranes and thin films
CN1408526A (zh) * 2001-10-01 2003-04-09 富士胶片株式会社 溶液制膜方法以及溶液制膜装置

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105181733A (zh) * 2015-08-06 2015-12-23 江苏安瑞达新材料有限公司 一种利用dsc模拟聚烯烃流延基膜退火处理的方法
CN113226732A (zh) * 2018-12-27 2021-08-06 宇部兴产株式会社 聚烯烃微多孔膜及蓄电装置
CN113226732B (zh) * 2018-12-27 2023-09-26 Ube株式会社 聚烯烃微多孔膜及蓄电装置
US11837751B2 (en) 2018-12-27 2023-12-05 Ube Corporation Polyolefin micro-porous film and power-storage device
CN110204816A (zh) * 2019-06-22 2019-09-06 天津登峰卫生用品材料有限公司 一种可撕包膜及其制备方法
CN110204816B (zh) * 2019-06-22 2022-03-15 天津登峰卫生用品材料有限公司 一种可撕包膜及其制备方法

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JP2012530814A (ja) 2012-12-06
KR20120104142A (ko) 2012-09-20
US20120276367A1 (en) 2012-11-01
CA2802583A1 (en) 2010-12-29
WO2010148492A1 (en) 2010-12-29

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Application publication date: 20130109