GB1276796A - Method for preparing polytetrafluorethylene moulding powder - Google Patents

Method for preparing polytetrafluorethylene moulding powder

Info

Publication number
GB1276796A
GB1276796A GB34243/70A GB3424370A GB1276796A GB 1276796 A GB1276796 A GB 1276796A GB 34243/70 A GB34243/70 A GB 34243/70A GB 3424370 A GB3424370 A GB 3424370A GB 1276796 A GB1276796 A GB 1276796A
Authority
GB
United Kingdom
Prior art keywords
powder
flowing
free
polytetrafluoroethylene
july
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
GB34243/70A
Other languages
English (en)
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.)
Daikin Industries Ltd
Original Assignee
Daikin Industries Ltd
Daikin Kogyo 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 Daikin Industries Ltd, Daikin Kogyo Co Ltd filed Critical Daikin Industries Ltd
Publication of GB1276796A publication Critical patent/GB1276796A/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
    • 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)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
GB34243/70A 1969-07-18 1970-07-15 Method for preparing polytetrafluorethylene moulding powder Expired GB1276796A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP44057254A JPS4817547B1 (enExample) 1969-07-18 1969-07-18

Publications (1)

Publication Number Publication Date
GB1276796A true GB1276796A (en) 1972-06-07

Family

ID=13050377

Family Applications (1)

Application Number Title Priority Date Filing Date
GB34243/70A Expired GB1276796A (en) 1969-07-18 1970-07-15 Method for preparing polytetrafluorethylene moulding powder

Country Status (3)

Country Link
US (1) US3674762A (enExample)
JP (1) JPS4817547B1 (enExample)
GB (1) GB1276796A (enExample)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3981852A (en) * 1974-06-17 1976-09-21 E. I. Du Pont De Nemours And Company Polytetrafluoroethylene molding powder
US3981853A (en) * 1974-06-17 1976-09-21 E. I. Du Pont De Nemours And Comany Polytetrafluoroethylene molding powder from polytetrafluoroethylene fine powder
JPS5618624A (en) * 1979-07-24 1981-02-21 Daikin Ind Ltd Production of filled polytetrafluoroethylene fine powder
US4661439A (en) * 1985-12-06 1987-04-28 E.I. De Pont De Nemours And Company Process for preparing toners surface coated with antistatic agent and liquid slip agent
JPH03259926A (ja) * 1990-03-08 1991-11-20 Daikin Ind Ltd ポリテトラフルオロエチレン粒状粉末の製法

Also Published As

Publication number Publication date
JPS4817547B1 (enExample) 1973-05-30
US3674762A (en) 1972-07-04
DE2035227B2 (de) 1976-07-01
DE2035227A1 (de) 1971-01-28

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee