CA2494545A1 - Fluoropolymer membrane - Google Patents

Fluoropolymer membrane Download PDF

Info

Publication number
CA2494545A1
CA2494545A1 CA002494545A CA2494545A CA2494545A1 CA 2494545 A1 CA2494545 A1 CA 2494545A1 CA 002494545 A CA002494545 A CA 002494545A CA 2494545 A CA2494545 A CA 2494545A CA 2494545 A1 CA2494545 A1 CA 2494545A1
Authority
CA
Canada
Prior art keywords
membrane
fluoropolymer membrane
fibrils
free
porous fluoropolymer
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.)
Abandoned
Application number
CA002494545A
Other languages
English (en)
French (fr)
Inventor
Robert Ieraci
Thomas K. Hartmann
David Newman
Nicholas Zerilli
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.)
Pall Corp
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of CA2494545A1 publication Critical patent/CA2494545A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • 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
    • B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
    • B01D67/0081—After-treatment of organic or inorganic membranes
    • B01D67/0086—Mechanical after-treatment
    • 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—Polytetrafluoroethene
    • 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
    • B29C55/005—Shaping by stretching, e.g. drawing through a die; Apparatus therefor characterised by the choice of materials
    • 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
    • B29K2027/00—Use of polyvinylhalogenides or derivatives thereof as moulding material
    • B29K2027/12—Use of polyvinylhalogenides or derivatives thereof as moulding material containing fluorine
    • B29K2027/18—PTFE, i.e. polytetrafluorethene, e.g. ePTFE, i.e. expanded polytetrafluorethene
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S264/00—Plastic and nonmetallic article shaping or treating: processes
    • Y10S264/47—Processes of splitting film, webs or sheets

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
CA002494545A 2002-08-14 2003-07-23 Fluoropolymer membrane Abandoned CA2494545A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US40297402P 2002-08-14 2002-08-14
US60/402,974 2002-08-14
PCT/US2003/022907 WO2004016341A2 (en) 2002-08-14 2003-07-23 Fluoropolymer membrane

Publications (1)

Publication Number Publication Date
CA2494545A1 true CA2494545A1 (en) 2004-02-26

Family

ID=31888215

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002494545A Abandoned CA2494545A1 (en) 2002-08-14 2003-07-23 Fluoropolymer membrane

Country Status (7)

Country Link
US (1) US7378020B2 (cg-RX-API-DMAC7.html)
EP (1) EP1534411A2 (cg-RX-API-DMAC7.html)
JP (1) JP2005535447A (cg-RX-API-DMAC7.html)
KR (1) KR20050032603A (cg-RX-API-DMAC7.html)
AU (1) AU2003254111A1 (cg-RX-API-DMAC7.html)
CA (1) CA2494545A1 (cg-RX-API-DMAC7.html)
WO (1) WO2004016341A2 (cg-RX-API-DMAC7.html)

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US8361741B2 (en) 2007-08-29 2013-01-29 Millipore Corporation Serum-free growth medium for Acholeplasma laidlawii and methods for retention testing sterilizing grade filters
JP5198553B2 (ja) * 2008-03-04 2013-05-15 東京エレクトロン株式会社 多孔質部材
EP2408482A1 (en) * 2009-03-19 2012-01-25 Millipore Corporation Removal of microorganisms from fluid samples using nanofiber filtration media
US20110146493A1 (en) * 2009-12-22 2011-06-23 General Electric Company Filter bag and laminated filter media
JP2012011369A (ja) * 2010-06-01 2012-01-19 Fujifilm Corp 結晶性ポリマー微孔性膜及びその製造方法、並びに濾過用フィルタ
ES2774949T3 (es) 2010-08-10 2020-07-23 Emd Millipore Corp Método para la eliminación de retrovirus
EP2686376A4 (en) * 2011-03-13 2015-04-08 Porous Power Technologies Llc MICROPOROUS POLYMERIC FILMS BASED ON FREE SURFACE ENERGY AND FILLED
US11154821B2 (en) 2011-04-01 2021-10-26 Emd Millipore Corporation Nanofiber containing composite membrane structures
IL320010A (en) 2011-09-01 2025-06-01 Microtech Medical Technologies Ltd Method of detecting portal and/or hepatic pressure and a portal hypertension monitoring system
US10350529B2 (en) 2012-06-21 2019-07-16 Entegris, Inc. Filtration article with fluoropolymer knit
EP2874734B1 (en) * 2012-07-23 2022-04-13 Entegris, Inc. Filtration article with fluoropolymer knit
US10808054B2 (en) 2012-10-10 2020-10-20 Atrium Medical Corporation Self-bonding fluoropolymers and methods of producing the same
EP2727555B1 (en) * 2012-10-31 2016-10-05 W.L. Gore & Associates GmbH Fluoropolymer articles having a high surface roughness and high coarseness
KR101936924B1 (ko) * 2012-12-06 2019-01-09 삼성전자주식회사 분리막, 및 상기 분리막을 포함하는 수처리 장치
US20140231341A1 (en) * 2013-02-15 2014-08-21 Pall Corporation Ptfe membrane
JP2014184418A (ja) * 2013-03-25 2014-10-02 Nitto Denko Corp 防水通気構造、防水通気部材及び防水通気膜
EP2857438B1 (de) * 2013-10-02 2019-01-09 Berghof Fluoroplastic Technology GmbH Druckausgleichselement und Herstellungsverfahren dafür
SG11201608399QA (en) 2014-06-26 2016-11-29 Emd Millipore Corp Filter structure with enhanced dirt holding capacity
US9862859B2 (en) * 2014-09-12 2018-01-09 W. L. Gore & Associates, Inc. Porous air permeable polytetrafluoroethylene composites with improved mechanical and thermal properties
KR102206959B1 (ko) 2015-04-17 2021-01-25 이엠디 밀리포어 코포레이션 접선방향 유동 여과 모드에서 작동되는 나노섬유 한외여과막을 사용하여 샘플에서 목적하는 생물학적 물질을 정제하는 방법
EP3655142A1 (en) 2017-07-21 2020-05-27 Merck Millipore Ltd Non-woven fiber membranes
KR102160201B1 (ko) * 2017-10-26 2020-09-25 주식회사 엘지화학 불소계 수지 다공성 막 및 그 제조방법
EP3511368B1 (en) * 2018-01-16 2021-04-28 Karlsruher Institut für Technologie Process for producing a porous polymer composition, porous polymer composition and article including the porous polymer composition
CN113272038B (zh) * 2018-12-28 2023-06-06 日东电工株式会社 过滤器褶裥组件和空气过滤器单元
KR200495971Y1 (ko) 2022-04-07 2022-10-04 박종은 골프연습용 홀컵
WO2025205500A1 (ja) * 2024-03-25 2025-10-02 積水化学工業株式会社 分離膜構造体及び分離膜構造体の製造方法

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Also Published As

Publication number Publication date
AU2003254111A8 (en) 2004-03-03
JP2005535447A (ja) 2005-11-24
US7378020B2 (en) 2008-05-27
EP1534411A2 (en) 2005-06-01
US20060032813A1 (en) 2006-02-16
WO2004016341A2 (en) 2004-02-26
WO2004016341A3 (en) 2004-11-18
AU2003254111A1 (en) 2004-03-03
KR20050032603A (ko) 2005-04-07

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Legal Events

Date Code Title Description
FZDE Discontinued