KR102652700B1 - 치수 안정성을 갖는 비소결의 팽창된 폴리테트라플루오로에틸렌 복합 막 - Google Patents

치수 안정성을 갖는 비소결의 팽창된 폴리테트라플루오로에틸렌 복합 막 Download PDF

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Publication number
KR102652700B1
KR102652700B1 KR1020237028715A KR20237028715A KR102652700B1 KR 102652700 B1 KR102652700 B1 KR 102652700B1 KR 1020237028715 A KR1020237028715 A KR 1020237028715A KR 20237028715 A KR20237028715 A KR 20237028715A KR 102652700 B1 KR102652700 B1 KR 102652700B1
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South Korea
Prior art keywords
eptfe
ptfe
thermoplastic polymer
membrane
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Korean (ko)
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KR20230128405A (ko
Inventor
유리 에바타
토드 에스 새일러
Original Assignee
더블유. 엘. 고어 앤드 어소시에이트스, 인코포레이티드
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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)
KR1020237028715A 2018-10-04 2018-10-04 치수 안정성을 갖는 비소결의 팽창된 폴리테트라플루오로에틸렌 복합 막 Active KR102652700B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020217013233A KR102605324B1 (ko) 2018-10-04 2018-10-04 치수 안정성을 갖는 비소결의 팽창된 폴리테트라플루오로에틸렌 복합 막
PCT/US2018/054326 WO2020072058A1 (en) 2018-10-04 2018-10-04 Unsintered expanded polytetrafluoroethylene composite membranes having dimensional stability

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
KR1020217013233A Division KR102605324B1 (ko) 2018-10-04 2018-10-04 치수 안정성을 갖는 비소결의 팽창된 폴리테트라플루오로에틸렌 복합 막

Publications (2)

Publication Number Publication Date
KR20230128405A KR20230128405A (ko) 2023-09-04
KR102652700B1 true KR102652700B1 (ko) 2024-03-28

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KR1020237028715A Active KR102652700B1 (ko) 2018-10-04 2018-10-04 치수 안정성을 갖는 비소결의 팽창된 폴리테트라플루오로에틸렌 복합 막
KR1020217013233A Active KR102605324B1 (ko) 2018-10-04 2018-10-04 치수 안정성을 갖는 비소결의 팽창된 폴리테트라플루오로에틸렌 복합 막

Family Applications After (1)

Application Number Title Priority Date Filing Date
KR1020217013233A Active KR102605324B1 (ko) 2018-10-04 2018-10-04 치수 안정성을 갖는 비소결의 팽창된 폴리테트라플루오로에틸렌 복합 막

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=)

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* 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

Citations (2)

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JP2009179802A (ja) 2006-08-09 2009-08-13 Sumitomo Electric Fine Polymer Inc フッ素樹脂薄膜の製造方法及びフッ素樹脂ディスパージョン
JP2010132712A (ja) 2007-03-13 2010-06-17 Daikin Ind Ltd 多孔体及びフィルター

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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
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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
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JP2009179802A (ja) 2006-08-09 2009-08-13 Sumitomo Electric Fine Polymer Inc フッ素樹脂薄膜の製造方法及びフッ素樹脂ディスパージョン
JP4371176B2 (ja) 2006-08-09 2009-11-25 住友電工ファインポリマー株式会社 フッ素樹脂薄膜、フッ素樹脂複合体及びその製造方法、多孔質フッ素樹脂複合体、並びに分離膜エレメント
JP2010132712A (ja) 2007-03-13 2010-06-17 Daikin Ind Ltd 多孔体及びフィルター

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
CN112805082B (zh) 2022-12-27
JP2022189854A (ja) 2022-12-22
KR20210062078A (ko) 2021-05-28
US12201948B2 (en) 2025-01-21

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