CA1298045C - Method for treating the surface of a thin porous material of polytetrafluoroethylene - Google Patents

Method for treating the surface of a thin porous material of polytetrafluoroethylene

Info

Publication number
CA1298045C
CA1298045C CA000498326A CA498326A CA1298045C CA 1298045 C CA1298045 C CA 1298045C CA 000498326 A CA000498326 A CA 000498326A CA 498326 A CA498326 A CA 498326A CA 1298045 C CA1298045 C CA 1298045C
Authority
CA
Canada
Prior art keywords
film material
porous film
thin porous
heating
tetrafluoroethylene resin
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 - Lifetime
Application number
CA000498326A
Other languages
English (en)
French (fr)
Inventor
Katsuya Yamada
Koichi Okita
Shin-Ichi Toyo-Oka
Shigeru Asako
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.)
Sumitomo Electric Industries Ltd
Original Assignee
Sumitomo Electric 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 Sumitomo Electric Industries Ltd filed Critical Sumitomo Electric Industries Ltd
Application granted granted Critical
Publication of CA1298045C publication Critical patent/CA1298045C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • B29C59/00—Surface shaping of articles, e.g. embossing; Apparatus therefor
    • 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
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/34—Auxiliary operations
    • B29C44/56—After-treatment of articles, e.g. for altering the shape
    • 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
    • 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
    • B29C59/00—Surface shaping of articles, e.g. embossing; Apparatus therefor
    • B29C59/08—Surface shaping of articles, e.g. embossing; Apparatus therefor by flame treatment ; using hot gases
    • 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
    • B29C59/00—Surface shaping of articles, e.g. embossing; Apparatus therefor
    • B29C59/16—Surface shaping of articles, e.g. embossing; Apparatus therefor by wave energy or particle radiation, e.g. infrared heating
    • 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. polytetrafluoroethylene, e.g. ePTFE, i.e. expanded polytetrafluoroethylene
    • 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
    • B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/04—Condition, form or state of moulded material or of the material to be shaped cellular or porous
    • B29K2105/045—Condition, form or state of moulded material or of the material to be shaped cellular or porous with open cells
    • 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
    • Y10S521/00—Synthetic resins or natural rubbers -- part of the class 520 series
    • Y10S521/918—Physical aftertreatment of a cellular product

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Treatments Of Macromolecular Shaped Articles (AREA)
CA000498326A 1984-12-25 1985-12-20 Method for treating the surface of a thin porous material of polytetrafluoroethylene Expired - Lifetime CA1298045C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP59279281A JPS61151245A (ja) 1984-12-25 1984-12-25 多孔性薄膜材料の表面処理方法
JP279281/1984 1984-12-25

Publications (1)

Publication Number Publication Date
CA1298045C true CA1298045C (en) 1992-03-31

Family

ID=17608977

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000498326A Expired - Lifetime CA1298045C (en) 1984-12-25 1985-12-20 Method for treating the surface of a thin porous material of polytetrafluoroethylene

Country Status (5)

Country Link
US (1) US5296510A (enExample)
EP (1) EP0188812B1 (enExample)
JP (1) JPS61151245A (enExample)
CA (1) CA1298045C (enExample)
DE (1) DE3582239D1 (enExample)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6517657B1 (en) 1992-01-06 2003-02-11 Pilot Industries, Inc. Fluoropolymer composite tube and method of preparation
US20030168157A1 (en) * 1992-01-06 2003-09-11 Kuenzel Kenneth J. Fluoropolymer composite tube and method of preparation
US5916404A (en) * 1992-01-06 1999-06-29 Pilot Industries, Inc. Fluoropolymer composite tube and method of preparation
JP3874205B2 (ja) * 1995-12-22 2007-01-31 住友電気工業株式会社 生体内移植材料及びその製造方法
US5914182A (en) * 1996-06-03 1999-06-22 Gore Hybrid Technologies, Inc. Materials and methods for the immobilization of bioactive species onto polymeric substrates
US5874165A (en) * 1996-06-03 1999-02-23 Gore Enterprise Holdings, Inc. Materials and method for the immobilization of bioactive species onto polymeric subtrates
US6702811B2 (en) 1999-04-05 2004-03-09 Medtronic, Inc. Ablation catheter assembly with radially decreasing helix and method of use
US6780497B1 (en) 1999-08-05 2004-08-24 Gore Enterprise Holdings, Inc. Surface modified expanded polytetrafluoroethylene devices and methods of producing the same
US7175734B2 (en) * 2001-05-03 2007-02-13 Medtronic, Inc. Porous medical catheter and methods of manufacture
US7653438B2 (en) 2002-04-08 2010-01-26 Ardian, Inc. Methods and apparatus for renal neuromodulation
US8774913B2 (en) 2002-04-08 2014-07-08 Medtronic Ardian Luxembourg S.A.R.L. Methods and apparatus for intravasculary-induced neuromodulation
JP5177937B2 (ja) * 2003-09-09 2013-04-10 財団法人神奈川科学技術アカデミー スライド式バルブ装置
JP4939124B2 (ja) * 2005-11-10 2012-05-23 住友電工ファインポリマー株式会社 フッ素樹脂多孔質膜
JP5564018B2 (ja) * 2005-11-10 2014-07-30 住友電工ファインポリマー株式会社 フッ素樹脂多孔質膜
DK2115102T3 (en) 2007-01-15 2017-08-28 Univ Eindhoven Tech LIQUID FUEL COMPOSITION AND APPLICATION THEREOF
JP5348517B2 (ja) * 2007-05-09 2013-11-20 住友電工ファインポリマー株式会社 分離膜エレメントおよびその製造方法
US9476004B2 (en) 2009-09-08 2016-10-25 Technische Universiteit Eindhoven Liquid fuel composition and the use thereof
WO2012061159A1 (en) 2010-10-25 2012-05-10 Medtronic Ardian Luxembourg S.A.R.L. Catheter apparatuses having multi-electrode arrays for renal neuromodulation and associated systems and methods
ES2614272T3 (es) 2012-05-11 2017-05-30 Medtronic Ardian Luxembourg S.à.r.l. Conjuntos de catéter de múltiples electrodos para neuromodulación renal y sistemas y métodos asociados
US9095321B2 (en) 2012-11-21 2015-08-04 Medtronic Ardian Luxembourg S.A.R.L. Cryotherapeutic devices having integral multi-helical balloons and methods of making the same
US9179974B2 (en) 2013-03-15 2015-11-10 Medtronic Ardian Luxembourg S.A.R.L. Helical push wire electrode
US20150073515A1 (en) 2013-09-09 2015-03-12 Medtronic Ardian Luxembourg S.a.r.I. Neuromodulation Catheter Devices and Systems Having Energy Delivering Thermocouple Assemblies and Associated Methods
WO2015164280A1 (en) 2014-04-24 2015-10-29 Medtronic Ardian Luxembourg S.A.R.L. Neuromodulation catheters having braided shafts and associated systems and methods

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2396629A (en) * 1944-03-29 1946-03-19 Du Pont Fabrication of polytetrafluoroethylene articles
NL295467A (enExample) * 1962-07-18
US3309221A (en) * 1963-03-25 1967-03-14 Minnesota Mining & Mfg Surface activation of passive polymers and articles produced thereby
US3811987A (en) * 1969-02-24 1974-05-21 Cons Paper Ltd Apparatus for bonding thermoplastic materials and products thereof
CA962021A (en) * 1970-05-21 1975-02-04 Robert W. Gore Porous products and process therefor
JPS5029863B2 (enExample) * 1972-02-16 1975-09-26
US4049589A (en) * 1973-03-19 1977-09-20 Sumitomo Electric Industries, Ltd. Porous films of polytetrafluoroethylene and process for producing said films
US3957938A (en) * 1974-10-21 1976-05-18 Phillips Petroleum Company Pretreatment of polytetrafluoroethylene filter bags
US4193138A (en) * 1976-08-20 1980-03-18 Sumitomo Electric Industries, Ltd. Composite structure vascular prostheses
US4283448A (en) * 1980-02-14 1981-08-11 W. L. Gore & Associates, Inc. Composite polytetrafluoroethylene article and a process for making the same
DE3129744C2 (de) * 1981-07-28 1987-03-05 Hoechst Ag, 6230 Frankfurt Für Flüssigkeiten sowie Gase selektiv-durchlässige Formkörper aus Fluorgruppen enthaltendem Copolymerisat, die zugleich oleophob und oleophil sind
US4596837A (en) * 1982-02-22 1986-06-24 Daikin Industries Ltd. Semisintered polytetrafluoroethylene article and production thereof
US4702956A (en) * 1985-12-12 1987-10-27 Ausimont, U.S.A., Inc. Method of bonding glass fibers or other substrates to various polymers by oxidizing the molten polymer surface, and articles produced thereby

Also Published As

Publication number Publication date
EP0188812A3 (en) 1988-08-24
DE3582239D1 (de) 1991-04-25
JPS6323215B2 (enExample) 1988-05-16
EP0188812B1 (en) 1991-03-20
US5296510A (en) 1994-03-22
JPS61151245A (ja) 1986-07-09
EP0188812A2 (en) 1986-07-30

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Legal Events

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