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TW340853B - Manufacturing method of powder for forming polytetrafluoroethylene - Google Patents

Manufacturing method of powder for forming polytetrafluoroethylene

Info

Publication number
TW340853B
TW340853B TW085105866A TW85105866A TW340853B TW 340853 B TW340853 B TW 340853B TW 085105866 A TW085105866 A TW 085105866A TW 85105866 A TW85105866 A TW 85105866A TW 340853 B TW340853 B TW 340853B
Authority
TW
Taiwan
Prior art keywords
powder
manufacturing
polytetrafluoroethylene
forming polytetrafluoroethylene
coarse
Prior art date
Application number
TW085105866A
Other languages
English (en)
Inventor
Michio Asano
Hirouma Tanikawa
Toru Shimodo
Tetsuo Kiyomizu
Masaharu Kawauchi
Original Assignee
Daikin Ind 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 Ind Ltd filed Critical Daikin Ind Ltd
Application granted granted Critical
Publication of TW340853B publication Critical patent/TW340853B/zh

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)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
TW085105866A 1995-03-15 1996-05-17 Manufacturing method of powder for forming polytetrafluoroethylene TW340853B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9581295 1995-03-15

Publications (1)

Publication Number Publication Date
TW340853B true TW340853B (en) 1998-09-21

Family

ID=14147845

Family Applications (1)

Application Number Title Priority Date Filing Date
TW085105866A TW340853B (en) 1995-03-15 1996-05-17 Manufacturing method of powder for forming polytetrafluoroethylene

Country Status (7)

Country Link
US (1) US6054083A (zh)
EP (1) EP0816416A4 (zh)
JP (1) JP3453759B2 (zh)
KR (1) KR19980702633A (zh)
CN (1) CN1185282C (zh)
TW (1) TW340853B (zh)
WO (1) WO1996028498A1 (zh)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1000961A4 (en) * 1997-08-01 2000-09-20 Daikin Ind Ltd PROCESS FOR PRODUCING GRANULAR POLYTETRAFLUOROETHYLENE POWDER
US7687582B1 (en) * 2001-08-31 2010-03-30 Tda Research, Inc. Methods of production, purification, and processing of poly(heteroaromatic) block copolymers with improved solubility or dispersability
JP4840280B2 (ja) * 2001-10-24 2011-12-21 ダイキン工業株式会社 Ｐｔｆｅ粉末及びｐｔｆｅ成形用粉末製造方法
US20050010007A1 (en) 2001-10-24 2005-01-13 Massayuki Tsuji Ptfe powder and method of producing ptfe powder for molding
CN101323669B (zh) * 2001-10-24 2012-10-17 大金工业株式会社 Ptfe粉末和ptfe粉末的制造方法
CN100374485C (zh) * 2003-02-12 2008-03-12 大金工业株式会社 聚四氟乙烯纤维状粉末、聚四氟乙烯抄纸物、聚四氟乙烯成型体以及聚四氟乙烯纤维状粉末的制造方法
EP2500366B2 (en) * 2009-11-09 2022-03-16 AGC Inc. Aqueous polytetrafluoroethylene emulsion and process for production thereof, aqueous polytetrafluoroethylene dispersion obtained using the emulsion, polytetrafluoroethylene fine powder, and stretch-expanded body
EP2955197B1 (en) * 2013-02-05 2019-04-17 AGC Inc. Process for producing polytetrafluoroethylene molding powder and process for producing polytetrafluoroethylene agglomerated product
CN117545796A (zh) * 2021-06-30 2024-02-09 大金工业株式会社 聚四氟乙烯颗粒的制造方法

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3115486A (en) * 1960-11-30 1963-12-24 Du Pont Process for the preparation of polytetrafluoroethylene molding powder
US3781258A (en) * 1968-09-11 1973-12-25 Daikin Ind Ltd Polytetrafluoroethylene powder and method of preparation thereof
US3690569A (en) * 1970-09-24 1972-09-12 Du Pont Granular polytetrafluoroethylene of good moldability and apparent bulk density
US3953412A (en) * 1972-08-09 1976-04-27 Takumi Saito Sintered micro-powder of tetrafluoroethylene polymers
JPS5238857B2 (zh) * 1974-06-10 1977-10-01
DE2744244C3 (de) * 1977-10-01 1981-01-08 Hoechst Ag, 6000 Frankfurt Thermisch vorbehandeltes, aus der Schmelze nicht verarbeitbares, mit einem perfluorierten Monomeren modifiziertes Tetrafluoräthylen-Polymerisatpulver und Verfahren zur Herstellung von Pulvern von aus der Schmelze nicht verarbeitbaren Tetrafluoräthylen-Polymerisaten mit hohem Schüttgewicht und guter Rieselfähigkeit
US4241137A (en) * 1977-11-22 1980-12-23 Daikin Kogyo Co., Ltd. Process for preparing polytetrafluoroethylene granular powder
CA1248292A (en) * 1984-05-10 1989-01-03 Marlin D. Buckmaster Melt-processible tetrafluoroethylene copolymers and processes for preparing them
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
JP3000609B2 (ja) * 1990-03-08 2000-01-17 ダイキン工業株式会社 ポリテトラフルオロエチレン粒状粉末の製法
JPH075744B2 (ja) * 1990-05-14 1995-01-25 ダイキン工業株式会社 ポリテトラフルオロエチレン粉末の製法
JPH0764936B2 (ja) * 1990-11-30 1995-07-12 三井・デュポンフロロケミカル株式会社 テトラフルオロエチレン共重合体粉末の製造法

Also Published As

Publication number Publication date
CN1178542A (zh) 1998-04-08
KR19980702633A (ko) 1998-08-05
EP0816416A1 (en) 1998-01-07
CN1185282C (zh) 2005-01-19
WO1996028498A1 (en) 1996-09-19
US6054083A (en) 2000-04-25
EP0816416A4 (en) 1998-10-28
JP3453759B2 (ja) 2003-10-06

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