GB2187460B - Production of porous elongate moulded bodies from fluorine-containing polymers - Google Patents

Production of porous elongate moulded bodies from fluorine-containing polymers

Info

Publication number
GB2187460B
GB2187460B GB8704045A GB8704045A GB2187460B GB 2187460 B GB2187460 B GB 2187460B GB 8704045 A GB8704045 A GB 8704045A GB 8704045 A GB8704045 A GB 8704045A GB 2187460 B GB2187460 B GB 2187460B
Authority
GB
United Kingdom
Prior art keywords
fluorine
production
containing polymers
moulded bodies
porous elongate
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
GB8704045A
Other versions
GB2187460A (en
GB8704045D0 (en
Inventor
Heinz Eilentropp
Kurt Aeschbach
Hans Reinmann
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.)
Reinmann & Cie Lara
Original Assignee
Reinmann & Cie Lara
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 Reinmann & Cie Lara filed Critical Reinmann & Cie Lara
Publication of GB8704045D0 publication Critical patent/GB8704045D0/en
Publication of GB2187460A publication Critical patent/GB2187460A/en
Application granted granted Critical
Publication of GB2187460B publication Critical patent/GB2187460B/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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
    • 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
    • B29C67/02—Moulding by agglomerating
    • B29C67/04—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
    • 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
    • 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
    • C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/18—Manufacture of films or sheets
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B19/00—Apparatus or processes specially adapted for manufacturing insulators or insulating bodies
    • H01B19/02—Drying; Impregnating
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
    • H01B3/18—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
    • H01B3/30—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes
    • H01B3/44—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes vinyl resins; acrylic resins
    • H01B3/443—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes vinyl resins; acrylic resins from vinylhalogenides or other halogenoethylenic compounds
    • H01B3/445—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes vinyl resins; acrylic resins from vinylhalogenides or other halogenoethylenic compounds from vinylfluorides or other fluoroethylenic compounds
    • 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
    • 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
    • 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
    • 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)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Polymers & Plastics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
GB8704045A 1986-02-21 1987-02-20 Production of porous elongate moulded bodies from fluorine-containing polymers Expired - Lifetime GB2187460B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3605588 1986-02-21

Publications (3)

Publication Number Publication Date
GB8704045D0 GB8704045D0 (en) 1987-03-25
GB2187460A GB2187460A (en) 1987-09-09
GB2187460B true GB2187460B (en) 1990-09-12

Family

ID=6294618

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8704045A Expired - Lifetime GB2187460B (en) 1986-02-21 1987-02-20 Production of porous elongate moulded bodies from fluorine-containing polymers

Country Status (12)

Country Link
JP (1) JPS62205136A (en)
CN (1) CN87100900A (en)
AU (2) AU6910087A (en)
BE (1) BE1001311A3 (en)
BR (1) BR8700796A (en)
CA (1) CA1316312C (en)
CH (1) CH672094A5 (en)
FR (1) FR2594744B1 (en)
GB (1) GB2187460B (en)
IT (1) IT1202444B (en)
NL (1) NL8700379A (en)
SE (1) SE8700684L (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2074349C (en) * 1991-07-23 2004-04-20 Shinji Tamaru Polytetrafluoroethylene porous film and preparation and use thereof
US5466509A (en) * 1993-01-15 1995-11-14 Impra, Inc. Textured, porous, expanded PTFE
WO1994019170A1 (en) * 1993-02-18 1994-09-01 W.L. Gore & Associates, Inc. Macroscopically perforated porous polytetrafluoroethylene materials
DE4309779A1 (en) * 1993-03-25 1994-09-29 Herding Entstaubung Fixed bed bioreactor for cleaning fluids with the aid of microorganisms, support bodies for fixed bed bioreactors and processes for their production
CN1107747C (en) * 1999-08-10 2003-05-07 四川大学 High-pressure sinter process for synthosizing large-size polymer crystal
JP5658860B2 (en) * 2008-05-12 2015-01-28 日東電工株式会社 Polytetrafluoroethylene porous membrane, method for producing the same, and filter medium
CN102151493A (en) * 2011-03-18 2011-08-17 上腾新材料科技（苏州）有限公司 Method for preparing nano polytetrafluoroethylene microporous membrane
CN112088041A (en) * 2018-05-15 2020-12-15 住友电气工业株式会社 Hollow fiber membrane and method for producing hollow fiber membrane
US11410800B2 (en) 2018-07-31 2022-08-09 Commscope Technologies Llc Low cost extrudable isolator from slit-tape
WO2020027962A1 (en) 2018-07-31 2020-02-06 Commscope Technologies Llc High strength dielectric member for a communications cable
CN112023715A (en) * 2020-08-26 2020-12-04 北京中科沃特膜科技有限公司 Preparation method of polytetrafluoroethylene hollow fiber membrane with high porosity

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0111339A1 (en) * 1982-12-14 1984-06-20 Daikin Kogyo Co., Ltd. Novel polytetrafluoroethylene fine powder
EP0113869A2 (en) * 1982-12-14 1984-07-25 Nitto Electric Industrial Co., Ltd. Porous polytetrafluoroethylene material
EP0198620A2 (en) * 1985-04-02 1986-10-22 Carlisle Corporation Manufacture of low density, sintered polytetrafluoroethylene articles

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4049589A (en) * 1973-03-19 1977-09-20 Sumitomo Electric Industries, Ltd. Porous films of polytetrafluoroethylene and process for producing said films
US4234535A (en) * 1976-04-29 1980-11-18 Sumitomo Electric Industries, Ltd. Process for producing porous polytetrafluoroethylene tubings
GB2025835B (en) * 1978-05-31 1982-10-27 Nitto Electric Ind Co Producing a porous polytetrafluorethylene article
JPS5825368B2 (en) * 1979-02-14 1983-05-27 日東電工株式会社 Method for manufacturing porous polytetrafluoroethylene film
DE3020622C2 (en) * 1980-05-30 1985-05-15 W.L. Gore & Associates, Inc., Newark, Del. Ribbon cable and process for its manufacture
JPS58119834A (en) * 1982-01-11 1983-07-16 Nitto Electric Ind Co Ltd Manufacture of porous polytetrafluoroethylene film

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0111339A1 (en) * 1982-12-14 1984-06-20 Daikin Kogyo Co., Ltd. Novel polytetrafluoroethylene fine powder
EP0113869A2 (en) * 1982-12-14 1984-07-25 Nitto Electric Industrial Co., Ltd. Porous polytetrafluoroethylene material
EP0198620A2 (en) * 1985-04-02 1986-10-22 Carlisle Corporation Manufacture of low density, sintered polytetrafluoroethylene articles

Also Published As

Publication number Publication date
BE1001311A3 (en) 1989-09-26
CH672094A5 (en) 1989-10-31
GB2187460A (en) 1987-09-09
AU6910087A (en) 1987-08-27
CN87100900A (en) 1987-09-09
SE8700684L (en) 1987-08-22
FR2594744B1 (en) 1990-06-08
GB8704045D0 (en) 1987-03-25
CA1316312C (en) 1993-04-20
AU6659690A (en) 1991-02-21
FR2594744A1 (en) 1987-08-28
IT8719195A0 (en) 1987-01-29
NL8700379A (en) 1987-09-16
JPS62205136A (en) 1987-09-09
IT1202444B (en) 1989-02-09
BR8700796A (en) 1987-12-15
SE8700684D0 (en) 1987-02-19

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Legal Events

Date Code Title Description
PE20 Patent expired after termination of 20 years

Effective date: 20070219