DK0495628T3 - Tørringstemperatur-uafhængig polytetrafluorethylen - Google Patents

Tørringstemperatur-uafhængig polytetrafluorethylen

Info

Publication number
DK0495628T3
DK0495628T3 DK92300309T DK92300309T DK0495628T3 DK 0495628 T3 DK0495628 T3 DK 0495628T3 DK 92300309 T DK92300309 T DK 92300309T DK 92300309 T DK92300309 T DK 92300309T DK 0495628 T3 DK0495628 T3 DK 0495628T3
Authority
DK
Denmark
Prior art keywords
polytetrafluoroethylene
independent
drying temperature
drying
temperature
Prior art date
Application number
DK92300309T
Other languages
English (en)
Inventor
Walter George Mellish
Original Assignee
Ici America Inc
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 Ici America Inc filed Critical Ici America Inc
Application granted granted Critical
Publication of DK0495628T3 publication Critical patent/DK0495628T3/da

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F214/00—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
    • C08F214/18—Monomers containing fluorine
    • C08F214/26—Tetrafluoroethene
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/022—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the choice of material
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/06—Rod-shaped
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Polymerisation Methods In General (AREA)
DK92300309T 1991-01-18 1992-01-14 Tørringstemperatur-uafhængig polytetrafluorethylen DK0495628T3 (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/643,409 US5185414A (en) 1991-01-18 1991-01-18 Drying temperature independent polytetrafluoroethylene

Publications (1)

Publication Number Publication Date
DK0495628T3 true DK0495628T3 (da) 1999-03-22

Family

ID=24580695

Family Applications (1)

Application Number Title Priority Date Filing Date
DK92300309T DK0495628T3 (da) 1991-01-18 1992-01-14 Tørringstemperatur-uafhængig polytetrafluorethylen

Country Status (6)

Country Link
US (1) US5185414A (da)
EP (1) EP0495628B1 (da)
JP (1) JPH07179524A (da)
CA (1) CA2059593A1 (da)
DK (1) DK0495628T3 (da)
ES (1) ES2118786T3 (da)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3676823B2 (ja) * 1996-11-25 2005-07-27 イー・アイ・デュポン・ドウ・ヌムール・アンド・カンパニー 改良された加工性を有するパーフルオロエラストマーおよびその製法
US5936060A (en) * 1996-11-25 1999-08-10 E. I. Du Pont De Nemours And Company Perfluoroelastomer composition having improved processability
WO2004007576A1 (ja) * 2002-06-14 2004-01-22 Daikin Industries, Ltd. 含フッ素共重合体製造方法、含フッ素共重合体及び成形体
CN101245118B (zh) * 2007-02-16 2011-10-05 大金工业株式会社 聚四氟乙烯细粉及聚四氟乙烯的制造方法

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA451833A (en) * 1948-10-12 Canadian Industries Limited Polyvinylidene fluoride
US3163628A (en) * 1954-12-15 1964-12-29 Minnesota Mining & Mfg Polymerization process for unsaturated fluoroolefins
US3088941A (en) * 1960-03-11 1963-05-07 Du Pont Process for the preparation of improved polytetrafluoroethylene extrusion powder
FR1550055A (da) * 1965-06-18 1968-12-20
US3391099A (en) * 1966-04-25 1968-07-02 Du Pont Polymerization process
US3692759A (en) * 1971-02-23 1972-09-19 Pennwalt Corp Extrudable polytetrafluoroethylene powder
US3829305A (en) * 1971-07-06 1974-08-13 Betz Laboratories Slime control compositions containing phenolic compounds and their use
US3951930A (en) * 1971-08-12 1976-04-20 Imperial Chemical Industries Limited Extrusion powder
GB1397931A (en) * 1971-08-12 1975-06-18 Ici Ltd Extrusion powder
US3819594A (en) * 1972-05-17 1974-06-25 Du Pont Tetrafluoroethylene fine powder resin of a copolymer of tetrafluoroethylene and perfluoro(alkyl vinyl ether)
DE3110193A1 (de) * 1980-06-06 1982-09-30 Hoechst Ag, 6000 Frankfurt "verbessertes verfahren zur herstellung von modifiziertem tetrafluorethylen-polymerisatpulver mit hohem schuettgewicht und guter rieselfaehigkeit"
JPS59115313A (ja) * 1982-12-13 1984-07-03 イ−・アイ・デユポン・デ・ニモアス・アンド・カンパニ− 改質された粒状ポリテトラフルオロエチレン共重合体およびその製造方法
US4530981A (en) * 1984-08-13 1985-07-23 E. I. Du Pont De Nemours And Company Process for making tetrafluoroethylene fine powder
CN1008443B (zh) * 1986-07-21 1990-06-20 大金工业株式会社 含聚四氟乙烯的涂层组合物及其用途
GB8628291D0 (en) * 1986-11-26 1986-12-31 Ici Plc Tetrafluoroethylene polymers
US4861845A (en) * 1988-03-10 1989-08-29 E. I. Du Pont De Nemours And Company Polymerization of fluoroolefins

Also Published As

Publication number Publication date
JPH07179524A (ja) 1995-07-18
CA2059593A1 (en) 1992-07-19
EP0495628A1 (en) 1992-07-22
EP0495628B1 (en) 1998-05-27
US5185414A (en) 1993-02-09
ES2118786T3 (es) 1998-10-01

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