DE2232298A1 - Tetrafluoroaethylenpolymerzusammensetzungen - Google Patents

Tetrafluoroaethylenpolymerzusammensetzungen

Info

Publication number
DE2232298A1
DE2232298A1 DE2232298A DE2232298A DE2232298A1 DE 2232298 A1 DE2232298 A1 DE 2232298A1 DE 2232298 A DE2232298 A DE 2232298A DE 2232298 A DE2232298 A DE 2232298A DE 2232298 A1 DE2232298 A1 DE 2232298A1
Authority
DE
Germany
Prior art keywords
polymer
coagulated
powder
mrad
extrusion
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.)
Pending
Application number
DE2232298A
Other languages
German (de)
English (en)
Inventor
Alfred Robert Lott
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.)
Imperial Chemical Industries Ltd
Original Assignee
Imperial Chemical 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 Imperial Chemical Industries Ltd filed Critical Imperial Chemical Industries Ltd
Publication of DE2232298A1 publication Critical patent/DE2232298A1/de
Pending 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
    • C08J3/00—Processes of treating or compounding macromolecular substances
    • C08J3/28—Treatment by wave energy or particle radiation
    • 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)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
DE2232298A 1971-07-02 1972-06-30 Tetrafluoroaethylenpolymerzusammensetzungen Pending DE2232298A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB3111971 1971-07-02
GB3112071A GB1398261A (en) 1971-07-02 1971-07-02 Tetrafluoroethylene polymer compositions

Publications (1)

Publication Number Publication Date
DE2232298A1 true DE2232298A1 (de) 1973-01-11

Family

ID=26260748

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2232298A Pending DE2232298A1 (de) 1971-07-02 1972-06-30 Tetrafluoroaethylenpolymerzusammensetzungen

Country Status (7)

Country Link
US (1) US3878164A (enExample)
BE (1) BE785797A (enExample)
DE (1) DE2232298A1 (enExample)
FR (1) FR2145197A5 (enExample)
GB (1) GB1398261A (enExample)
IT (1) IT970678B (enExample)
NL (1) NL7209133A (enExample)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4029870A (en) * 1970-02-03 1977-06-14 Imperial Chemical Industries Limited Tetrafluoroethylene polymers
US4110186A (en) * 1975-05-13 1978-08-29 Beatrice Foods Co. Fluorinated ethylene-propylene copolymer powders having improved adhesion to substrates and method
US4220511A (en) * 1979-03-12 1980-09-02 Radiation Dynamics, Inc. Treatment of sintered poly-tetrafluoroethylene with irradiation and heat to produce a grindable material
US4748005A (en) * 1982-05-03 1988-05-31 Shamrock Chemicals Corporation Apparatus and method for radiation processing of materials
US4777192A (en) * 1982-05-03 1988-10-11 Shamrock Chemicals Corporation Apparatus and method for radiation processing of materials
US5891573A (en) * 1997-08-08 1999-04-06 Shamrock Chemicals Corporation Method of providing friable polytetrafluoroethylene products
US5968997A (en) * 1998-12-09 1999-10-19 Shamrock Technologies, Inc. Continuous process for irradiating of polytetrafluorineethylene (PTFE)
US6573311B1 (en) * 1999-09-22 2003-06-03 Atrium Medical Corporation Method for treating polymer materials and products produced therefrom
AU2003269802A1 (en) * 2002-03-14 2003-12-31 Shamrock Technologies, Inc. Methods for producing submicron polytetrafluoroethylene powder and products thereof
AU2003235836B8 (en) * 2002-05-02 2009-12-10 Sumitomo Electric Industries, Ltd. Stretched polytetrafluoroethylene moldings and process for production thereof
US7514480B2 (en) * 2005-06-21 2009-04-07 Arkema Inc. Low level radiation treatment for improving polymer properties

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2456621A (en) * 1946-08-17 1948-12-21 Du Pont Method of extruding polytetrafluoroethylene and coating articles therewith
US2882254A (en) * 1953-12-11 1959-04-14 Degussa Preservation of the fluidity of polymethylmethacrylate by the addition of finely divied silica
US3766031A (en) * 1972-04-10 1973-10-16 Garlock Inc Process for non-destructive radiation degradation of polytetrafluoroethylene

Also Published As

Publication number Publication date
US3878164A (en) 1975-04-15
FR2145197A5 (enExample) 1973-02-16
GB1398261A (en) 1975-06-18
BE785797A (fr) 1973-01-03
IT970678B (it) 1974-04-20
NL7209133A (enExample) 1973-01-04

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Legal Events

Date Code Title Description
OHA Expiration of time for request for examination