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DE68921044D1 - Verfahren zur Herstellung einer porösen Polytetrafluorethylenfolie. - Google Patents

Verfahren zur Herstellung einer porösen Polytetrafluorethylenfolie.

Info

Publication number
DE68921044D1
DE68921044D1 DE68921044T DE68921044T DE68921044D1 DE 68921044 D1 DE68921044 D1 DE 68921044D1 DE 68921044 T DE68921044 T DE 68921044T DE 68921044 T DE68921044 T DE 68921044T DE 68921044 D1 DE68921044 D1 DE 68921044D1
Authority
DE
Germany
Prior art keywords
producing
polytetrafluoroethylene film
porous polytetrafluoroethylene
porous
film
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
DE68921044T
Other languages
English (en)
Other versions
DE68921044T2 (de
Inventor
Tetsuo Shimizu
Kazutaka Hosokawa
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.)
Daikin Industries Ltd
Original Assignee
Daikin Industries Ltd
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 Daikin Industries Ltd filed Critical Daikin Industries Ltd
Application granted granted Critical
Publication of DE68921044D1 publication Critical patent/DE68921044D1/de
Publication of DE68921044T2 publication Critical patent/DE68921044T2/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
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/24—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof by surface fusion and bonding of particles to form voids, e.g. sintering
    • 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
    • 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
    • C08J2327/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers
    • C08J2327/02—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment
    • C08J2327/12—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
    • C08J2327/18—Homopolymers or copolymers of tetrafluoroethylene
    • 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
    • Y10T428/25—Web or sheet containing structurally defined element or component and including a second component containing structurally defined particles
    • Y10T428/254—Polymeric or resinous material
    • 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
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/3154—Of fluorinated addition polymer from unsaturated monomers
    • Y10T428/31544—Addition polymer is perhalogenated

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
DE68921044T 1988-11-18 1989-11-17 Verfahren zur Herstellung einer porösen Polytetrafluorethylenfolie. Expired - Fee Related DE68921044T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP29325288A JPH0733451B2 (ja) 1988-11-18 1988-11-18 ポリテトラフルオロエチレン多孔膜およびその製法

Publications (2)

Publication Number Publication Date
DE68921044D1 true DE68921044D1 (de) 1995-03-23
DE68921044T2 DE68921044T2 (de) 1995-07-20

Family

ID=17792417

Family Applications (1)

Application Number Title Priority Date Filing Date
DE68921044T Expired - Fee Related DE68921044T2 (de) 1988-11-18 1989-11-17 Verfahren zur Herstellung einer porösen Polytetrafluorethylenfolie.

Country Status (4)

Country Link
US (1) US5143783A (de)
EP (1) EP0369466B1 (de)
JP (1) JPH0733451B2 (de)
DE (1) DE68921044T2 (de)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5677031A (en) * 1990-03-31 1997-10-14 W. L. Gore & Associates, Inc. Porous PTFE structures
GB9007304D0 (en) * 1990-03-31 1990-05-30 Gore W L & Ass Uk Filter element
US5560986A (en) * 1990-04-27 1996-10-01 W. L. Gore & Associates, Inc. Porous polytetrafluoroethylene sheet composition
DE4117281C2 (de) * 1990-06-29 1996-02-22 Gore Enterprise Holdings Inc Hydrophilierte, mikroporöse Membran aus Polytetrafluorethylen und Verfahren zu ihrer Herstellung
EP0587588B1 (de) * 1991-06-04 1998-07-08 Donaldson Company, Inc. Mit fluessigkeiten behandelte polytetrafluroaethylenprodukte und ihre herstellung
US5843332A (en) * 1991-10-21 1998-12-01 Dai Nippon Printing Co., Ltd. Polymer dispersion-type liquid crystal optical device and method for producing the same
US5479278A (en) * 1991-10-21 1995-12-26 Dai Nippon Printing Co., Ltd. Method of making a polymer dispersed liquid crystal by electrodeposition
WO1995017477A1 (en) * 1993-12-22 1995-06-29 Dupont-Mitsui Fluorochemicals Co., Ltd. Article having water-repellent fluororesin surface and process for producing the same
GB9606819D0 (en) * 1996-03-30 1996-06-05 Gore W L & Ass Uk Granular-type polytetrafluoroethylene dispersions and fused articles prepared therefrom (Case B)
GB9606818D0 (en) * 1996-03-30 1996-06-05 Gore W L & Ass Uk Granular-type modified polytetrafluoroethlyene dispersions and fused articles prepared therefrom (Case A)
GB9606824D0 (en) * 1996-03-30 1996-06-05 Gore W L & Ass Uk Granular-type modified polytetrafluoroethlyene dispersions and fused articles prepared therefrom
GB2319028B (en) * 1996-03-30 2000-03-15 Gore & Ass Granular-type polytetrafluoroethylene dispersions and fused articles prepared therefrom
GB2319027B (en) * 1996-03-30 2000-03-15 Gore & Ass Granular-type modified polytetrafluoroethylene dispersions and fused articles prepared therefrom
US5981614A (en) * 1996-09-13 1999-11-09 Adiletta; Joseph G. Hydrophobic-oleophobic fluoropolymer compositions
ITMI981520A1 (it) * 1998-07-02 2000-01-02 Ausimont Spa Dispersioni di fluoropolimeri
ITMI991269A1 (it) 1999-06-08 2000-12-08 Ausimont Spa Miscele di dispersioni di fluoropolimeri
JP2002023131A (ja) * 2000-07-12 2002-01-23 Daikin Ind Ltd 液晶表示パネル製造用含フッ素ポリマー製多孔質シートおよびこれを用いた液晶表示パネルの製造方法
JP4820102B2 (ja) * 2005-03-09 2011-11-24 株式会社Ｅｎｅｏｓセルテック 蓄熱システムおよび建造物
KR101453404B1 (ko) 2006-08-09 2014-10-22 스미토모덴코파인폴리머 가부시키가이샤 불소 수지 복합체의 제조 방법
US20090002941A1 (en) * 2007-06-29 2009-01-01 Rajiv Mongia Air-permeable, hydrophobic membrane used in a computer device
JP4962504B2 (ja) * 2009-02-04 2012-06-27 ソニー株式会社 熱転写シート
US8846586B2 (en) * 2009-05-15 2014-09-30 University Of Florida Research Foundation, Inc. Articles having low coefficients of friction, methods of making the same, and methods of use
US8808848B2 (en) 2010-09-10 2014-08-19 W. L. Gore & Associates, Inc. Porous article
JP5830782B2 (ja) 2012-01-27 2015-12-09 住友電工ファインポリマー株式会社 変性ポリテトラフルオロエチレン製微細孔径膜の製造方法、及び変性ポリテトラフルオロエチレン製多孔質樹脂膜複合体の製造方法
WO2015060364A1 (ja) * 2013-10-23 2015-04-30 ダイキン工業株式会社 エンボス加工されたエアフィルタ用濾材、フィルタパック、エアフィルタユニット、およびエンボス加工されたエアフィルタ用濾材の製造方法
FR3040240B1 (fr) 2015-08-19 2017-08-04 Commissariat Energie Atomique Pile a combustible a couche de gestion d’eau integree et son procede de realisation.
CN114534510B (zh) * 2022-02-16 2023-06-27 深圳华源再生医学有限公司 一种聚四氟乙烯纤维膜及其制备方法和应用

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL110572C (de) * 1956-05-22 1965-01-13
US3960651A (en) * 1963-10-14 1976-06-01 Daikin Kogyo Co., Ltd. Reinforced air-pervious polytetrafluorothylene sheet
FR2050778A5 (en) * 1969-06-24 1971-04-02 Inst Francais Du Petrole Fluorinated polymer hydrophobic porous - films prepn
US4196070A (en) * 1977-12-12 1980-04-01 Nuclepore Corporation Method for forming microporous fluorocarbon polymer sheet and product
JPS59109534A (ja) * 1982-12-14 1984-06-25 Nitto Electric Ind Co Ltd ポリテトラフルオロエチレン多孔質体

Also Published As

Publication number Publication date
EP0369466B1 (de) 1995-02-08
US5143783A (en) 1992-09-01
JPH02140239A (ja) 1990-05-29
JPH0733451B2 (ja) 1995-04-12
EP0369466A2 (de) 1990-05-23
DE68921044T2 (de) 1995-07-20
EP0369466A3 (en) 1990-11-28

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee