GB1392345A - Process for preparing polytetrafluoroethylene moulding powders - Google Patents

Process for preparing polytetrafluoroethylene moulding powders

Info

Publication number
GB1392345A
GB1392345A GB4716474A GB4716474A GB1392345A GB 1392345 A GB1392345 A GB 1392345A GB 4716474 A GB4716474 A GB 4716474A GB 4716474 A GB4716474 A GB 4716474A GB 1392345 A GB1392345 A GB 1392345A
Authority
GB
United Kingdom
Prior art keywords
moulding powders
preparing polytetrafluoroethylene
polytetrafluoroethylene moulding
preparing
powders
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
Application number
GB4716474A
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.)
Chemours Mitsui Fluoroproducts Co Ltd
Original Assignee
Mitsui Fluorochemicals Co 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 Mitsui Fluorochemicals Co Ltd filed Critical Mitsui Fluorochemicals Co Ltd
Publication of GB1392345A publication Critical patent/GB1392345A/en
Expired 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
    • C08J3/12—Powdering or granulating
    • 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
    • C08J3/12—Powdering or granulating
    • C08J3/16—Powdering or granulating by coagulating dispersions
    • 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)
  • Dispersion Chemistry (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
GB4716474A 1971-04-14 1972-04-10 Process for preparing polytetrafluoroethylene moulding powders Expired GB1392345A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2376871A JPS5221011B1 (en) 1971-04-14 1971-04-14

Publications (1)

Publication Number Publication Date
GB1392345A true GB1392345A (en) 1975-04-30

Family

ID=12119510

Family Applications (2)

Application Number Title Priority Date Filing Date
GB1651572A Expired GB1392344A (en) 1971-04-14 1972-04-10 Polytetrafluoroethylene moulding powder
GB4716474A Expired GB1392345A (en) 1971-04-14 1972-04-10 Process for preparing polytetrafluoroethylene moulding powders

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB1651572A Expired GB1392344A (en) 1971-04-14 1972-04-10 Polytetrafluoroethylene moulding powder

Country Status (6)

Country Link
JP (1) JPS5221011B1 (en)
DE (1) DE2218240A1 (en)
FR (1) FR2133673B1 (en)
GB (2) GB1392344A (en)
IT (1) IT951372B (en)
NL (1) NL7205097A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3135598A1 (en) * 1981-09-09 1983-03-17 Hoechst Ag, 6000 Frankfurt "CONTINUOUS PROCESS FOR AGGLOMING PTEE POWDERS IN LIQUID MEDIUM, AND MODIFIED PTEE POWDER OBTAINED FROM THEM"

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1497865A (en) * 1965-10-26 1967-10-13 Hoechst Ag Process for preparing improved powders containing polytetrafluoroethylene

Also Published As

Publication number Publication date
DE2218240A1 (en) 1972-11-02
GB1392344A (en) 1975-04-30
FR2133673A1 (en) 1972-12-01
NL7205097A (en) 1972-10-17
JPS5221011B1 (en) 1977-06-08
FR2133673B1 (en) 1974-09-13
IT951372B (en) 1973-06-30

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee