AU4157099A - Fine powder-type porous ptfe material - Google Patents

Fine powder-type porous ptfe material

Info

Publication number
AU4157099A
AU4157099A AU41570/99A AU4157099A AU4157099A AU 4157099 A AU4157099 A AU 4157099A AU 41570/99 A AU41570/99 A AU 41570/99A AU 4157099 A AU4157099 A AU 4157099A AU 4157099 A AU4157099 A AU 4157099A
Authority
AU
Australia
Prior art keywords
fine powder
porous ptfe
ptfe material
type porous
type
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
AU41570/99A
Other languages
English (en)
Inventor
Norman Ernest Clough
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.)
WL Gore and Associates UK Ltd
Original Assignee
WL Gore and Associates UK 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 WL Gore and Associates UK Ltd filed Critical WL Gore and Associates UK Ltd
Publication of AU4157099A publication Critical patent/AU4157099A/en
Abandoned 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
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F5/00—Orthopaedic methods or devices for non-surgical treatment of bones or joints; Nursing devices; Anti-rape devices
    • A61F5/44—Devices worn by the patient for reception of urine, faeces, catamenial or other discharge; Portable urination aids; Colostomy devices
    • A61F5/441—Devices worn by the patient for reception of urine, faeces, catamenial or other discharge; Portable urination aids; Colostomy devices having venting or deodorant means, e.g. filters ; having antiseptic means, e.g. bacterial barriers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D39/00—Filtering material for liquid or gaseous fluids
    • B01D39/14—Other self-supporting filtering material ; Other filtering material
    • B01D39/16—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres
    • B01D39/1692—Other shaped material, e.g. perforated or porous sheets
    • 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
    • B01D67/0004—Organic membrane manufacture by agglomeration of particles
    • B01D67/00041—Organic membrane manufacture by agglomeration of particles by sintering
    • 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
    • B01D69/1213—Laminated layers
    • 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
    • B29C67/00—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00
    • B29C67/20—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00 for porous or cellular articles, e.g. of foam plastics, coarse-pored
    • B29C67/205—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00 for porous or cellular articles, e.g. of foam plastics, coarse-pored comprising surface fusion, and bonding of particles to form voids, e.g. sintering
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2325/00—Details relating to properties of membranes
    • B01D2325/04—Characteristic thickness
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Nursing (AREA)
  • Vascular Medicine (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Epidemiology (AREA)
  • Materials Engineering (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medicinal Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Mechanical Engineering (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Filtering Materials (AREA)
AU41570/99A 1998-06-04 1999-06-03 Fine powder-type porous ptfe material Abandoned AU4157099A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB9811894 1998-06-04
GB9811894A GB2337991A (en) 1998-06-04 1998-06-04 Fine powder type PTFE material
PCT/GB1999/001750 WO1999062993A1 (fr) 1998-06-04 1999-06-03 Matiere poreuse a base de polytetrafluorethylene de type poudre fine

Publications (1)

Publication Number Publication Date
AU4157099A true AU4157099A (en) 1999-12-20

Family

ID=10833110

Family Applications (1)

Application Number Title Priority Date Filing Date
AU41570/99A Abandoned AU4157099A (en) 1998-06-04 1999-06-03 Fine powder-type porous ptfe material

Country Status (3)

Country Link
AU (1) AU4157099A (fr)
GB (1) GB2337991A (fr)
WO (1) WO1999062993A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109603570A (zh) * 2018-10-26 2019-04-12 德蓝水技术股份有限公司 聚四氟乙烯中空纤维微孔膜亲水改性的方法

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7795346B2 (en) 2003-11-03 2010-09-14 Porex Corporation Sintered porous high melt-flow index materials and methods of making same
US7498392B2 (en) 2005-01-19 2009-03-03 Nelson Kevin G Methods and compositions for dielectric materials
US9040646B2 (en) 2007-10-04 2015-05-26 W. L. Gore & Associates, Inc. Expandable TFE copolymers, methods of making, and porous, expanded articles thereof
US9650479B2 (en) 2007-10-04 2017-05-16 W. L. Gore & Associates, Inc. Dense articles formed from tetrafluoroethylene core shell copolymers and methods of making the same
US8637144B2 (en) 2007-10-04 2014-01-28 W. L. Gore & Associates, Inc. Expandable TFE copolymers, method of making, and porous, expended articles thereof
WO2010048496A1 (fr) * 2008-10-24 2010-04-29 Porex Corporation Matériau ptfe composite et applications associées
US8808848B2 (en) * 2010-09-10 2014-08-19 W. L. Gore & Associates, Inc. Porous article
US8937132B2 (en) * 2010-12-21 2015-01-20 Daikin Industries, Ltd. Polytetrafluoroethylene mixture
US9644054B2 (en) 2014-12-19 2017-05-09 W. L. Gore & Associates, Inc. Dense articles formed from tetrafluoroethylene core shell copolymers and methods of making the same
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.
CN113105659A (zh) * 2021-04-14 2021-07-13 深圳市富程威科技有限公司 一种聚四氟乙烯微孔薄膜及其制备方法和应用
CN113045788B (zh) * 2021-04-14 2022-01-18 深圳市富程威科技有限公司 一种微孔薄膜及其制备方法和应用
CN113088018B (zh) * 2021-04-14 2023-04-07 深圳市富程威科技有限公司 一种聚四氟乙烯透气膜及其制备方法和应用

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5856171B2 (ja) * 1979-01-31 1983-12-13 日東電工株式会社 多孔質滑りシ−ト
JPS6166730A (ja) * 1984-09-07 1986-04-05 Chuko Kasei Kogyo Kk ポリテトラフルオロエチレン樹脂多孔質体の製造方法
JPH0391544A (ja) * 1989-09-01 1991-04-17 Junkosha Co Ltd 四フッ化エチレン樹脂多孔質体
EP0507286B1 (fr) * 1991-04-04 1997-07-30 Daikin Industries, Limited Procédé de moulage pour préparer des articles poreux à base de polytétrafluoréthylène
US5358678A (en) * 1991-07-04 1994-10-25 Mitsubishi Kasei Corporation Polytetrafluoroethylene porous film and process for preparing the same
GB9202360D0 (en) * 1992-02-04 1992-03-18 Gore W L & Ass Uk Ostomy filter
WO1996040510A1 (fr) * 1995-06-07 1996-12-19 W.L. Gore & Associates (Uk) Ltd. Materiau composite poreux
GB9606819D0 (en) * 1996-03-30 1996-06-05 Gore W L & Ass Uk Granular-type polytetrafluoroethylene dispersions and fused articles prepared therefrom (Case B)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109603570A (zh) * 2018-10-26 2019-04-12 德蓝水技术股份有限公司 聚四氟乙烯中空纤维微孔膜亲水改性的方法

Also Published As

Publication number Publication date
GB9811894D0 (en) 1998-07-29
WO1999062993A1 (fr) 1999-12-09
GB2337991A (en) 1999-12-08

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Legal Events

Date Code Title Description
MK6 Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase