CA1028111A - Sintered micro-powder of tetrafluoroethylene polymers - Google Patents

Sintered micro-powder of tetrafluoroethylene polymers

Info

Publication number
CA1028111A
CA1028111A CA178,065A CA178065A CA1028111A CA 1028111 A CA1028111 A CA 1028111A CA 178065 A CA178065 A CA 178065A CA 1028111 A CA1028111 A CA 1028111A
Authority
CA
Canada
Prior art keywords
powder
tetrafluoroethylene polymers
sintered micro
sintered
micro
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
CA178,065A
Other languages
English (en)
French (fr)
Other versions
CA178065S (en
Inventor
Takumi Saito
Shigeki Hayashi
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
Application granted granted Critical
Publication of CA1028111A publication Critical patent/CA1028111A/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
    • C08J3/122—Pulverisation by spraying
    • 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)
  • Lubricants (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
CA178,065A 1972-08-09 1973-08-03 Sintered micro-powder of tetrafluoroethylene polymers Expired CA1028111A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP47079104A JPS5032098B2 (de) 1972-08-09 1972-08-09

Publications (1)

Publication Number Publication Date
CA1028111A true CA1028111A (en) 1978-03-21

Family

ID=13680567

Family Applications (1)

Application Number Title Priority Date Filing Date
CA178,065A Expired CA1028111A (en) 1972-08-09 1973-08-03 Sintered micro-powder of tetrafluoroethylene polymers

Country Status (8)

Country Link
US (1) US3911072A (de)
JP (1) JPS5032098B2 (de)
CA (1) CA1028111A (de)
DE (1) DE2340412C2 (de)
FR (1) FR2195520B1 (de)
GB (1) GB1434108A (de)
IT (1) IT995167B (de)
NL (1) NL180433C (de)

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1050717A (en) * 1974-01-22 1979-03-20 Takumi Saito Process for preparing sintered tetrafluorethylene polymer resins
GB1460535A (en) * 1974-05-16 1977-01-06 Ici Ltd Tetrafluoroethylene polymers
US4129618A (en) * 1974-05-16 1978-12-12 Imperial Chemical Industries Limited Tetrafluoroethylene polymers
JPS51116849A (en) * 1975-04-07 1976-10-14 Du Pont Mitsui Fluorochem Co Ltd Powdered copolymers from ethylene and fluorine containing olefin
US4182582A (en) * 1976-01-27 1980-01-08 A. T. Ramot Plastics Ltd. Porous tubes and hollow profile structures and method of making same
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
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"
US4342679A (en) * 1980-08-27 1982-08-03 Millipore Corporation Wear-resistant sintered composition having an empirical formula CF1.3 comprising graphite fibers, fluonnated graphite, and PTFE
US4333977A (en) * 1980-08-27 1982-06-08 Waters Associates, Inc. Wear-resistant article
US4407988A (en) * 1980-08-27 1983-10-04 Millipore Corporation Method for preparing a wear-resistant composition containing fluorinated graphite, graphite fibers and PTFE
DE3135598A1 (de) * 1981-09-09 1983-03-17 Hoechst Ag, 6000 Frankfurt "kontinuierliches verfahren zur agglomerierung von ptee-pulvern im fluessigen medium und damit gewonnenes modifiziertes ptee-pulver"
US4522995A (en) * 1983-05-02 1985-06-11 E. I. Du Pont De Nemours And Company Fluorinated alkyl ether-containing ethylenes, precursors thereto, and copolymers thereof with tetrafluoroethylene
US4576869A (en) * 1984-06-18 1986-03-18 E. I. Du Pont De Nemours And Company Tetrafluoroethylene fine powder and preparation thereof
JPS6090339A (ja) * 1984-07-04 1985-05-21 Hitachi Ltd 光照射装置
US4675380A (en) * 1985-10-25 1987-06-23 E. I. Du Pont De Nemours And Company Melt-processible tetrafluoroethylene/perfluoroolefin copolymer granules and processes for preparing them
US4742122A (en) * 1985-10-25 1988-05-03 E. I. Du Pont De Nemours And Company Melt-processible tetrafluoroethylene/perfluoroolefin copolymers and processes for preparing them
US5985983A (en) * 1991-09-23 1999-11-16 Sumitomo Electric Industries, Ltd. Fluororesin coating composition
US6157497A (en) * 1993-06-30 2000-12-05 Nikon Corporation Exposure apparatus
US5729331A (en) 1993-06-30 1998-03-17 Nikon Corporation Exposure apparatus, optical projection apparatus and a method for adjusting the optical projection apparatus
DE19547907A1 (de) * 1995-12-21 1997-06-26 Dyneon Gmbh Nichtrieselfähige Formpulver aus modifizierten Polytetrafluorethylenen
JP4655435B2 (ja) * 2001-08-31 2011-03-23 東ソー株式会社 ポリフェニレンスルフィド樹脂組成物
TWI232347B (en) 2001-12-26 2005-05-11 Pentax Corp Projection aligner
TWI232348B (en) 2001-12-26 2005-05-11 Pentax Corp Projection aligner
TWI240850B (en) 2001-12-26 2005-10-01 Pentax Corp Projection aligner
TWI228636B (en) 2002-01-11 2005-03-01 Pentax Corp Projection aligner
US7314898B2 (en) * 2004-12-29 2008-01-01 3M Innovative Properties Company Microsphere-filled polytetrafluoroethylene compositions
WO2010048496A1 (en) * 2008-10-24 2010-04-29 Porex Corporation Composite ptfe material and applications thereof
WO2018211626A1 (ja) * 2017-05-17 2018-11-22 株式会社アドマテックス 複合粒子材料及びその製造方法
JP7159653B2 (ja) * 2018-07-06 2022-10-25 日立金属株式会社 フッ素樹脂粉体の製造方法
EP3640281A1 (de) * 2018-10-19 2020-04-22 3M Innovative Properties Company Sprühbares pulver aus fluorpolymerpartikeln

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2202481A (en) * 1937-11-20 1940-05-28 Carbide & Carbon Chem Corp Recovery of plastic materials
BE560454A (de) * 1957-03-29
US3087921A (en) * 1958-09-02 1963-04-30 Du Pont Polytetrafluoroethylene molding powder
US3142665A (en) * 1960-07-26 1964-07-28 Du Pont Novel tetrafluoroethylene resins and their preparation
US3640984A (en) * 1963-11-04 1972-02-08 Allied Chem Polytetrafluoroethylene
FR1452412A (fr) * 1964-10-30 1966-02-25 Du Pont Résine de perfluoro-hydrocarbure extrudable à propriétés améliorées
US3527857A (en) * 1965-10-26 1970-09-08 Hoechst Ag Process for preparing polytetrafluoroethylene-containing powder
DE1679830C3 (de) * 1965-12-30 1974-01-10 Farbwerke Hoechst Ag, Vormals Meister Lucius & Bruening, 6000 Frankfurt Verfahren zur Herstellung eines Granulats aus pulvrigem Polytetrafluoräthylen
US3528955A (en) * 1967-05-16 1970-09-15 Liquid Nitrogen Processing Polytetrafluoroethylene molding powder and process of preparing the same
US3655611A (en) * 1968-08-09 1972-04-11 Allied Chem Cold flow resistant homogeneous polymers of tetrafluoroethylene and hexafluoropropene and process for preparing them

Also Published As

Publication number Publication date
GB1434108A (en) 1976-05-05
NL180433C (nl) 1987-02-16
IT995167B (it) 1975-11-10
NL7311036A (de) 1974-02-12
JPS5032098B2 (de) 1975-10-17
FR2195520A1 (de) 1974-03-08
DE2340412A1 (de) 1974-02-28
DE2340412C2 (de) 1981-09-17
FR2195520B1 (de) 1977-02-25
NL180433B (nl) 1986-09-16
US3911072A (en) 1975-10-07
JPS4935453A (de) 1974-04-02

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