DE69028418T2 - Mikroporöse Membran, hergestellt aus einem kaltkalandrierten Vorläuferfilm - Google Patents

Mikroporöse Membran, hergestellt aus einem kaltkalandrierten Vorläuferfilm

Info

Publication number
DE69028418T2
DE69028418T2 DE69028418T DE69028418T DE69028418T2 DE 69028418 T2 DE69028418 T2 DE 69028418T2 DE 69028418 T DE69028418 T DE 69028418T DE 69028418 T DE69028418 T DE 69028418T DE 69028418 T2 DE69028418 T2 DE 69028418T2
Authority
DE
Germany
Prior art keywords
film
films
thickness
microporous
stretching
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 - Fee Related
Application number
DE69028418T
Other languages
German (de)
English (en)
Other versions
DE69028418D1 (de
Inventor
Gunilla E Gillberg-Laforce
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.)
Celgard LLC
Original Assignee
Hoechst Celanese 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 Hoechst Celanese Corp filed Critical Hoechst Celanese Corp
Publication of DE69028418D1 publication Critical patent/DE69028418D1/de
Application granted granted Critical
Publication of DE69028418T2 publication Critical patent/DE69028418T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

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
    • 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
    • B29C55/00—Shaping by stretching, e.g. drawing through a die; Apparatus therefor
    • B29C55/02—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets
    • B29C55/10—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets multiaxial
    • B29C55/12—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets multiaxial biaxial
    • 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
    • B29C55/00—Shaping by stretching, e.g. drawing through a die; Apparatus therefor
    • B29C55/02—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets
    • B29C55/18—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets by squeezing between surfaces, e.g. rollers
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING 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
    • B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/04—Condition, form or state of moulded material or of the material to be shaped cellular or porous
    • 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
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24942—Structurally defined web or sheet [e.g., overall dimension, etc.] including components having same physical characteristic in differing degree
    • Y10T428/2495—Thickness [relative or absolute]
    • 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.]
    • Y10T428/249978—Voids specified as micro
    • 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.]
    • Y10T428/249978—Voids specified as micro
    • Y10T428/249979—Specified thickness of void-containing component [absolute or relative] or numerical cell dimension
    • 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.]
    • Y10T428/249978—Voids specified as micro
    • Y10T428/24998—Composite has more than two layers
    • 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
    • Y10T428/31—Surface property or characteristic of web, sheet or block

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Materials Engineering (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (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)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Laminated Bodies (AREA)
DE69028418T 1989-01-09 1990-01-08 Mikroporöse Membran, hergestellt aus einem kaltkalandrierten Vorläuferfilm Expired - Fee Related DE69028418T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US29433289A 1989-01-09 1989-01-09

Publications (2)

Publication Number Publication Date
DE69028418D1 DE69028418D1 (de) 1996-10-17
DE69028418T2 true DE69028418T2 (de) 1997-02-20

Family

ID=23132955

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69028418T Expired - Fee Related DE69028418T2 (de) 1989-01-09 1990-01-08 Mikroporöse Membran, hergestellt aus einem kaltkalandrierten Vorläuferfilm

Country Status (8)

Country Link
US (1) US5328760A (Direct)
EP (1) EP0378346B1 (Direct)
JP (1) JP3209998B2 (Direct)
CA (1) CA2007160C (Direct)
DE (1) DE69028418T2 (Direct)
ES (1) ES2091787T3 (Direct)
IL (1) IL93002A0 (Direct)
TW (1) TW221298B (Direct)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2628788B2 (ja) * 1990-08-09 1997-07-09 宇部興産株式会社 微多孔性膜の製造方法及びその方法で製造される耐溶断性微多孔性膜
EP0743089B1 (en) * 1993-01-25 2000-05-17 Daikin Industries, Limited Porous polytetrafluoroethylene film
US6258308B1 (en) 1996-07-31 2001-07-10 Exxon Chemical Patents Inc. Process for adjusting WVTR and other properties of a polyolefin film
EP0993512B1 (en) * 1997-06-27 2002-08-14 University Of Southampton Porous film and method of preparation thereof
US6264864B1 (en) 1998-10-16 2001-07-24 Exxon Chemical Patents Inc. Process for producing polyolefin microporous breathable film
US6953510B1 (en) 1998-10-16 2005-10-11 Tredegar Film Products Corporation Method of making microporous breathable film
US8795565B2 (en) * 2006-02-21 2014-08-05 Celgard Llc Biaxially oriented microporous membrane
WO2009123660A2 (en) * 2007-10-11 2009-10-08 Nanoscale Corporation Decontaminating sheet material containing reactive nanocrystalline particles and products constructed therefrom
KR100928898B1 (ko) * 2009-04-17 2009-11-30 (주)씨에스텍 미세다공성 고분자 분리막의 제조방법 및 상기 방법으로 제조된 미세다공성 고분자 분리막
US20110223486A1 (en) 2010-03-12 2011-09-15 Xiaomin Zhang Biaxially oriented porous membranes, composites, and methods of manufacture and use
CN103493252B (zh) 2011-04-04 2016-08-10 阿普柔斯公司 改进的电池隔片及其形成方法
US8975305B2 (en) 2012-02-10 2015-03-10 Kimberly-Clark Worldwide, Inc. Rigid renewable polyester compositions having a high impact strength and tensile elongation
TWI453114B (zh) * 2012-05-11 2014-09-21 Entire Technology Co Ltd 多孔複合膜的製造方法
WO2014018582A1 (en) * 2012-07-24 2014-01-30 Warwick Mills, Inc. Multi-layer chemical and biological protection fabric for mobile shelters
BR112016014241B1 (pt) 2013-12-31 2021-12-14 Dow Global Technologies Llc Filme multicamada, artigo e método de fabricação de um filme multicamada
US20150231862A1 (en) 2014-02-19 2015-08-20 Dow Global Technologies Llc Multilayered polyolefin films, methods of manufacture thereof and articles comprising the same
WO2015123827A1 (en) 2014-02-19 2015-08-27 Dow Global Technologies Llc High performance sealable co-extruded oriented film, methods of manufacture thereof and articles comprising the same
US11291215B2 (en) 2014-03-26 2022-04-05 Hydroxsys Holdings Limited Durable asymmetric composite membranes and modified substrates used in their preparation
US11021584B2 (en) 2014-08-21 2021-06-01 William Winchin Yen Microporous sheet product and methods for making and using the same
WO2016073558A1 (en) 2014-11-05 2016-05-12 William Winchin Yen Microporous sheet product and methods for making and using the same
EP3216070A4 (en) 2014-11-05 2018-09-26 Yen, William Winchin Microporous sheet product and methods for making and using the same
AU2015353887B2 (en) * 2014-11-26 2019-07-04 Kimberly-Clark Worldwide, Inc. Annealed porous polyolefin material
AU2015370441B2 (en) 2014-12-24 2017-12-07 Hydroxsys Holdings Limited Asymmetric composite membranes and modified substrates used in their preparation
CN114599822B (zh) 2019-08-27 2024-09-27 W·W·严 电池隔板、包括隔板的电池、以及形成其的方法和系统

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3083410A (en) * 1956-11-23 1963-04-02 Phillips Petroleum Co Cold rolling film of high density ethylene polymer
US3558764A (en) * 1966-09-06 1971-01-26 Celanese Corp Process for preparing microporous film
BE758820A (fr) * 1969-11-13 1971-05-12 Celanese Corp Procede de production de pellicules microporeuses a cellules ouvertes
US3725520A (en) * 1970-04-24 1973-04-03 Nippon Ekika Seikei Kk Method for preparing a porous synthetic thermoplastic film or sheet
US3679538A (en) * 1970-10-28 1972-07-25 Celanese Corp Novel open-celled microporous film
US3679540A (en) * 1970-11-27 1972-07-25 Celanese Corp Reinforced microporous film
US3903234A (en) * 1973-02-01 1975-09-02 Du Pont Process for preparing filled, biaxially oriented, polymeric film
US3843761A (en) * 1973-05-30 1974-10-22 Celanese Corp Process for preparing a thermoplastic microporous film involving a cold stretching step and multiple hot stretching steps
JPS582300B2 (ja) * 1974-10-23 1983-01-14 ヒタチケンキ カブシキガイシヤ クツサクキノ チヨクセンクツサクセイギヨソウチ
US4346142A (en) * 1979-09-04 1982-08-24 Celanese Corporation Hydrophilic monomer treated microporous films and process
US4620956A (en) * 1985-07-19 1986-11-04 Celanese Corporation Process for preparing microporous polyethylene film by uniaxial cold and hot stretching
CA1311886C (en) * 1986-06-12 1992-12-29 Satoshi Nagou Microporous film and process for production thereof
US5049347A (en) * 1988-11-22 1991-09-17 The University Of Pittsburgh Method for producing doubly oriented polymers
JPS63128035A (ja) * 1986-11-17 1988-05-31 Mitsui Toatsu Chem Inc 通気性防水膜
US4726989A (en) * 1986-12-11 1988-02-23 Minnesota Mining And Manufacturing Microporous materials incorporating a nucleating agent and methods for making same
US4867881A (en) * 1987-09-14 1989-09-19 Minnesota Minning And Manufacturing Company Orientied microporous film
US4833026A (en) * 1987-10-08 1989-05-23 Minnesota Mining And Manufacturing Company Breathable, waterproof sheet materials and methods for making the same
JP2725298B2 (ja) * 1988-08-09 1998-03-11 東レ株式会社 微孔性フイルムの製造方法
US5120594A (en) * 1989-11-20 1992-06-09 Minnesota Mining And Manufacturing Company Microporous polyolefin shaped articles with patterned surface areas of different porosity

Also Published As

Publication number Publication date
EP0378346A2 (en) 1990-07-18
DE69028418D1 (de) 1996-10-17
EP0378346B1 (en) 1996-09-11
TW221298B (Direct) 1994-02-21
CA2007160A1 (en) 1990-07-09
ES2091787T3 (es) 1996-11-16
EP0378346A3 (en) 1991-11-06
CA2007160C (en) 1997-08-19
IL93002A0 (en) 1990-09-17
JP3209998B2 (ja) 2001-09-17
JPH02276833A (ja) 1990-11-13
US5328760A (en) 1994-07-12

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: CELGARD LLC, CHARLOTTE, N.C., US

8327 Change in the person/name/address of the patent owner

Owner name: CELGARD INC., BURLINGTON, MASS., US

8339 Ceased/non-payment of the annual fee