CN112805082B - 具有尺寸稳定性的未烧结膨胀聚四氟乙烯复合膜 - Google Patents

具有尺寸稳定性的未烧结膨胀聚四氟乙烯复合膜 Download PDF

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Publication number
CN112805082B
CN112805082B CN201880098455.8A CN201880098455A CN112805082B CN 112805082 B CN112805082 B CN 112805082B CN 201880098455 A CN201880098455 A CN 201880098455A CN 112805082 B CN112805082 B CN 112805082B
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China
Prior art keywords
melting point
thermoplastic polymer
eptfe
ptfe
particles
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CN201880098455.8A
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Chinese (zh)
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CN112805082A (zh
Inventor
Y·江端
T·S·塞勒
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WL Gore and Associates Inc
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WL Gore and Associates Inc
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    • 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
    • B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
    • B01D67/0081—After-treatment of organic or inorganic membranes
    • B01D67/0083—Thermal after-treatment
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/02—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor characterised by their properties
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/06—Flat membranes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/12—Composite membranes; Ultra-thin membranes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/14—Dynamic membranes
    • B01D69/141—Heterogeneous membranes, e.g. containing dispersed material; Mixed matrix membranes
    • B01D69/1411—Heterogeneous membranes, e.g. containing dispersed material; Mixed matrix membranes containing dispersed material in a continuous matrix
    • 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
    • B01D71/30—Polyalkenyl halides
    • B01D71/32—Polyalkenyl halides containing fluorine atoms
    • 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
    • B01D71/30—Polyalkenyl halides
    • B01D71/32—Polyalkenyl halides containing fluorine atoms
    • B01D71/34—Polyvinylidene fluoride
    • 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
    • B01D71/30—Polyalkenyl halides
    • B01D71/32—Polyalkenyl halides containing fluorine atoms
    • B01D71/36—Polytetrafluoroethylene
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2323/00—Details relating to membrane preparation
    • B01D2323/08—Specific temperatures applied
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2323/00—Details relating to membrane preparation
    • B01D2323/12—Specific ratios of components used
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2325/00—Details relating to properties of membranes
    • B01D2325/24—Mechanical properties, e.g. strength

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Inorganic Chemistry (AREA)
  • Thermal Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Dispersion Chemistry (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Laminated Bodies (AREA)
  • Molding Of Porous Articles (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
CN201880098455.8A 2018-10-04 2018-10-04 具有尺寸稳定性的未烧结膨胀聚四氟乙烯复合膜 Active CN112805082B (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/US2018/054326 WO2020072058A1 (en) 2018-10-04 2018-10-04 Unsintered expanded polytetrafluoroethylene composite membranes having dimensional stability

Publications (2)

Publication Number Publication Date
CN112805082A CN112805082A (zh) 2021-05-14
CN112805082B true CN112805082B (zh) 2022-12-27

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CN201880098455.8A Active CN112805082B (zh) 2018-10-04 2018-10-04 具有尺寸稳定性的未烧结膨胀聚四氟乙烯复合膜

Country Status (7)

Country Link
US (1) US12201948B2 (https=)
EP (1) EP3860746A1 (https=)
JP (3) JP7274575B2 (https=)
KR (2) KR102652700B1 (https=)
CN (1) CN112805082B (https=)
CA (1) CA3114257C (https=)
WO (1) WO2020072058A1 (https=)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114207000B (zh) * 2019-06-13 2025-11-25 W.L.戈尔及同仁股份有限公司 具有优异刚度的高度取向的膨胀聚四氟乙烯
CN112275145B (zh) * 2020-09-16 2022-04-29 浙江赛迅环保科技有限公司 一种口罩用聚四氟乙烯覆膜的制备方法
DE202022103582U1 (de) 2021-06-29 2022-08-08 W. L. Gore & Associates, Inc. Mikrowellenkabel aus Perfluorpolymer/PTFE-Mischungen
CN114272770B (zh) * 2021-12-24 2022-10-25 苏州名列膜材料有限公司 聚四氟乙烯微孔膜、制备方法及其应用
CN117186534B (zh) * 2023-09-13 2026-03-31 江苏艾合复合材料有限公司 一种原位纤维增强聚合物材料及其制备方法、隔离膜的制备方法

Family Cites Families (26)

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Publication number Priority date Publication date Assignee Title
BE757004A (fr) * 1969-10-03 1971-03-16 Gore & Ass Agent d'etancheite
SE392582B (sv) 1970-05-21 1977-04-04 Gore & Ass Forfarande vid framstellning av ett porost material, genom expandering och streckning av en tetrafluoretenpolymer framstelld i ett pastabildande strengsprutningsforfarande
JPS5010343A (https=) * 1973-05-30 1975-02-03
US4482516A (en) * 1982-09-10 1984-11-13 W. L. Gore & Associates, Inc. Process for producing a high strength porous polytetrafluoroethylene product having a coarse microstructure
WO1994003531A1 (fr) * 1992-07-30 1994-02-17 Daikin Industries, Ltd. Materiau a base de polytetrafluoroethylene poreux et procede de production
US5772884A (en) 1993-01-25 1998-06-30 Daikin Industries, Ltd. Porous polytetrafluoroethylene film and process for preparation thereof
US6235377B1 (en) * 1995-09-05 2001-05-22 Bio Med Sciences, Inc. Microporous membrane with a stratified pore structure created in situ and process
DE19638416C1 (de) 1996-09-19 1997-11-13 Gore W L & Ass Gmbh Formkörper aus einem Blend eines Fluorpolymeren und eines Thermoplasten und Verfahren zu dessen Herstellung
US6110333A (en) * 1997-05-02 2000-08-29 E. I. Du Pont De Nemours And Company Composite membrane with highly crystalline porous support
US20030049538A1 (en) * 2001-08-02 2003-03-13 Wolfgang Buerger Electrochemical energy storage device
US6541589B1 (en) 2001-10-15 2003-04-01 Gore Enterprise Holdings, Inc. Tetrafluoroethylene copolymer
KR101453404B1 (ko) * 2006-08-09 2014-10-22 스미토모덴코파인폴리머 가부시키가이샤 불소 수지 복합체의 제조 방법
JP2010132712A (ja) * 2007-03-13 2010-06-17 Daikin Ind Ltd 多孔体及びフィルター
US20110268959A1 (en) * 2010-04-29 2011-11-03 General Electric Company Porous membrane
US9802187B2 (en) * 2011-06-30 2017-10-31 3M Innovative Properties Company Non-woven electret fibrous webs and methods of making same
US9510935B2 (en) * 2012-01-16 2016-12-06 W. L. Gore & Associates, Inc. Articles including expanded polytetrafluoroethylene membranes with serpentine fibrils and having a discontinuous fluoropolymer layer thereon
PL2809433T3 (pl) * 2012-01-27 2018-04-30 Zeus Industrial Products, Inc. Elektroprzędzone porowate media
US9707504B2 (en) 2012-04-20 2017-07-18 Daikin Industries, Ltd. Composition having PTFE as main component, mixed powder, material for molding, filtering medium for filter, air filter unit, and a method for manufacturing a porous membrane
US20140231340A1 (en) * 2013-02-15 2014-08-21 Pall Corporation Composite including ptfe membrane
US20160075838A1 (en) * 2013-04-26 2016-03-17 Nippon Valqua Industries, Ltd. Black Polytetrafluoroethylene Porous Film, Production Process for the Same, and Uses of the Same
US20170203552A1 (en) * 2013-12-19 2017-07-20 W.L. Gore & Associates, Inc. Thermally Insulative Expanded Polytetrafluoroethylene Articles
US9808230B2 (en) * 2014-06-06 2017-11-07 W. L. Gore & Associates, Inc. Sealing device and delivery system
US9932429B2 (en) * 2014-07-29 2018-04-03 W. L. Gore & Associates, Inc. Method for producing porous articles from alternating poly(ethylene tetrafluoroethylene) and articles produced therefrom
US20160075914A1 (en) * 2014-09-12 2016-03-17 W. L. Gore & Associates, Inc. Porous Air Permeable Polytetrafluoroethylene Composites with Improved Mechanical and Thermal Properties
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US10987638B2 (en) * 2015-06-19 2021-04-27 W. L. Gore & Associates, Inc. Asymmetric polytetrafluoroethylene composite having a macro-textured surface and method for making the same

Also Published As

Publication number Publication date
US20210346848A1 (en) 2021-11-11
JP2024144434A (ja) 2024-10-11
CA3114257A1 (en) 2020-04-09
CA3114257C (en) 2024-01-02
EP3860746A1 (en) 2021-08-11
CN112805082A (zh) 2021-05-14
KR20230128405A (ko) 2023-09-04
JP2022502549A (ja) 2022-01-11
WO2020072058A1 (en) 2020-04-09
JP7274575B2 (ja) 2023-05-16
JP7850203B2 (ja) 2026-04-22
KR102605324B1 (ko) 2023-11-22
JP2022189854A (ja) 2022-12-22
KR20210062078A (ko) 2021-05-28
KR102652700B1 (ko) 2024-03-28
US12201948B2 (en) 2025-01-21

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