DE69326979D1 - Polytetrafluoräthylenformpulver - Google Patents

Polytetrafluoräthylenformpulver

Info

Publication number
DE69326979D1
DE69326979D1 DE69326979T DE69326979T DE69326979D1 DE 69326979 D1 DE69326979 D1 DE 69326979D1 DE 69326979 T DE69326979 T DE 69326979T DE 69326979 T DE69326979 T DE 69326979T DE 69326979 D1 DE69326979 D1 DE 69326979D1
Authority
DE
Germany
Prior art keywords
polytetrafluorethylene
mold powder
mold
powder
polytetrafluorethylene mold
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 - Lifetime
Application number
DE69326979T
Other languages
English (en)
Other versions
DE69326979T2 (de
Inventor
Masuo Yodogawa-Seisaku Kokumai
Yukiharu Yodogawa-Sei Nakamura
Mitsuru Yodogawa-Seisa Kishine
Tetsuo Yodogawa-Seisa Kitahaba
Hirokazu Yodogawa-Seisa Yukawa
Kazuhide Yodogawa-Seisa Sawada
Sang Han
Tetsuo Yodogawa-Seisak Shimizu
Takahisa Yodogawa-Seisa Aoyama
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
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=27457294&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE69326979(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Daikin Industries Ltd filed Critical Daikin Industries Ltd
Publication of DE69326979D1 publication Critical patent/DE69326979D1/de
Application granted granted Critical
Publication of DE69326979T2 publication Critical patent/DE69326979T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F214/00—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
    • C08F214/18—Monomers containing fluorine
    • C08F214/26—Tetrafluoroethene
    • C08F214/262—Tetrafluoroethene with fluorinated vinyl ethers
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2982—Particulate matter [e.g., sphere, flake, etc.]

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)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
DE69326979T 1992-02-05 1993-02-04 Polytetrafluoräthylenformpulver Expired - Lifetime DE69326979T2 (de)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP1999892 1992-02-05
JP11444392 1992-05-07
JP12734892 1992-05-20
JP16751992 1992-06-25
PCT/JP1993/000140 WO1993016126A1 (en) 1992-02-05 1993-02-04 Polytetrafluoroethylene powder for molding

Publications (2)

Publication Number Publication Date
DE69326979D1 true DE69326979D1 (de) 1999-12-16
DE69326979T2 DE69326979T2 (de) 2000-04-20

Family

ID=27457294

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69326979T Expired - Lifetime DE69326979T2 (de) 1992-02-05 1993-02-04 Polytetrafluoräthylenformpulver

Country Status (5)

Country Link
US (1) US5763082A (de)
EP (1) EP0583481B1 (de)
JP (1) JP3177983B2 (de)
DE (1) DE69326979T2 (de)
WO (1) WO1993016126A1 (de)

Families Citing this family (39)

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DE69433160T2 (de) 1993-05-12 2004-07-08 Chiron Corp. (N.D.Ges.D. Staates Delaware), Emeryville Konserviertes Motiv der Hepatitis C Virus E2/NS1 Region
JPH0952955A (ja) * 1995-08-11 1997-02-25 Daikin Ind Ltd 変性ポリテトラフルオロエチレン粒状粉末の製法
JP3210936B2 (ja) 1995-09-18 2001-09-25 ダイキン工業株式会社 フィラー入りポリテトラフルオロエチレン粒状粉末およびその製法
JP3152284B2 (ja) * 1997-03-17 2001-04-03 ダイキン工業株式会社 変性ポリテトラフルオロエチレン粒状粉末
JP3152294B2 (ja) * 1997-03-17 2001-04-03 ダイキン工業株式会社 フィラーを含まないポリテトラフルオロエチレン粒状粉末およびその製法
JP3319329B2 (ja) * 1997-03-17 2002-08-26 ダイキン工業株式会社 フィラー入りポリテトラフルオロエチレン粒状粉末およびその製法
IT1298172B1 (it) 1998-01-22 1999-12-20 Ausimont Spa Processo per la preparazione di politetrafluoroetilene (ptfe) modificato
FR2805006B1 (fr) * 2000-02-11 2002-06-14 Air Liquide Pompe cryogenique tres haute pression
US6930142B2 (en) 2000-03-24 2005-08-16 Daikin Industries, Ltd. Seal ring
CN1280376C (zh) * 2000-05-25 2006-10-18 大金工业株式会社 密封环
DE10048730A1 (de) * 2000-09-29 2002-04-18 Dyneon Gmbh Thermoplastisch oder sintertechnisch verarbeitbares Fluorpolymer
WO2002053446A1 (fr) * 2000-12-28 2002-07-11 Daikin Industries, Ltd. Anneau d'etancheite et soupape de servodirection equipee de l'anneau d'etancheite
TWI315260B (en) * 2001-09-18 2009-10-01 Entegris Inc High-strength, chemically resistant laminar film with limited extractables
US7060772B2 (en) 2001-09-20 2006-06-13 3M Innovative Properties Company Fluoropolymers from tetrafluoroethylene and perfluoro(alkoxyalkyl vinyl) ether
CN1575312A (zh) * 2001-10-24 2005-02-02 大金工业株式会社 Ptfe粉末和ptfe成型粉末的制造方法
DE10161866A1 (de) * 2001-12-14 2003-07-10 Elringklinger Ag Lagerelement zum Abstützen eines Körpers
US6870020B2 (en) * 2002-04-30 2005-03-22 E. I. Du Pont De Nemours And Company High vinyl ether modified sinterable polytetrafluoroethylene
EP1790671B1 (de) * 2002-04-30 2009-07-29 E.I. Du Pont De Nemours And Company Vinylether modifiziertes sinterbares Polytetrafluorethylen
US6911489B2 (en) * 2002-06-10 2005-06-28 Asahi Glass Fluoropolymers Usa, Inc. Methods for preparing agglomerated pellets of polytetrafluoroethylene and molded articles and the agglomerated pellets of polytetrafluoroethylene and molded articles prepared thereby
RU2005105936A (ru) * 2002-09-12 2005-10-10 ЗМ Инновейтив Пропертиз Компани (US) Фторэластомеры с улучшенным сопротивлением к проницаемости и способ их получения
JP4466002B2 (ja) * 2002-12-06 2010-05-26 旭硝子株式会社 テトラフルオロエチレン共重合体、その製造方法およびペースト押し出し成形物
US7247690B2 (en) * 2003-04-17 2007-07-24 E. I. Du Pont De Nemours And Company Melt-fabricable tetrafluoroethylene/fluorinated vinyl ether copolymer prepared by suspension polymerization
US7638918B2 (en) * 2004-06-14 2009-12-29 Carbone Lorraine Applications Electriques Carbon brush having a shunt wire in a carbon brush body
EP1829904A4 (de) * 2004-11-30 2009-06-17 Daikin Ind Ltd Formkörper aus modifiziertem polytetrafluorethylen und herstellungsverfahren dafür
JP2006182889A (ja) * 2004-12-27 2006-07-13 Nichias Corp 樹脂組成物及びバルブシート
JP2006258222A (ja) * 2005-03-18 2006-09-28 Kitz Corp バルブ
US7528221B2 (en) 2005-11-30 2009-05-05 Daikin Industries, Ltd. Modified polytetrafluoethylene molded article and process for manufacture thereof
EP1969261A1 (de) 2006-01-05 2008-09-17 Saint-Gobain Performance Plastics Corporation Ringabdichtung und pumpe damit
WO2007082110A1 (en) 2006-01-05 2007-07-19 Saint-Gobain Performance Plastics Corporation Composite material and seals formed thereof
WO2008098065A1 (en) * 2007-02-06 2008-08-14 Enpro - Garlock Sealing Technologies Boron nitride filled ptfe
WO2008156821A1 (en) * 2007-06-19 2008-12-24 Flexible Ceramics, Inc. A California Corporation Silicone resin composites for high temperature durable elastic composite applications and methods for fabricating same
WO2009041433A1 (ja) * 2007-09-26 2009-04-02 Iwaki Co., Ltd. ポリテトラフルオロエチレン製ベローズ、その製造方法、その製造装置およびそれを用いた流体圧送機器
CN102245943A (zh) 2008-12-24 2011-11-16 美国圣戈班性能塑料公司 用于高压泵应用的聚合物材料及其形成的密封件
KR101331439B1 (ko) * 2009-09-21 2013-11-21 생-고뱅 퍼포먼스 플라스틱스 코포레이션 용융가공 불가능 폴리머로부터 물품을 형성하는 방법 및 이에 의해 형성된 물품
JP5278281B2 (ja) * 2009-10-27 2013-09-04 旭硝子株式会社 溶融成形材料及び電線
EP3026162A4 (de) * 2013-07-25 2017-03-29 Toray Industries, Inc. Verschleissfestes mehrlagiges gewebe
TWI513760B (zh) * 2013-12-27 2015-12-21 Chi Mei Corp 聚碳酸酯組成物及其製造方法及成型品
JP6369511B2 (ja) 2016-08-30 2018-08-08 ダイキン工業株式会社 改質成形品の製造方法、成形品、ダイヤフラム及びダイヤフラムバルブ
CN112119510A (zh) * 2018-03-15 2020-12-22 索尔维特殊聚合物意大利有限公司 用于发光装置的部件的氟聚合物组合物

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2393967A (en) * 1942-12-24 1946-02-05 Du Pont Process for polymerizing tetrafluoroethylene
DE1794346B2 (de) * 1959-08-11 1975-11-13 E.I. Du Pont De Nemours And Co., Wilmington, Del. (V.St.A.) Teilchenförmiges Tetrafluoräthylenharz
US3331822A (en) * 1963-08-20 1967-07-18 Thiokol Chemical Corp Production of polytetrafluoroethylene molding powders by the aqueous suspension polymerization of tetrafluoroethylene with small amounts of perfluoroolefins containing from 3 to 4 carbon atoms
DE1745252B2 (de) * 1966-05-25 1975-07-31 E.I. Du Pont De Nemours And Co., Wilmington, Del. (V.St.A.) Verfahren zur Herstellung eines körnigen Tetrafluoräthylenpolymerisates
US3953412A (en) * 1972-08-09 1976-04-27 Takumi Saito Sintered micro-powder of tetrafluoroethylene polymers
US3855191A (en) * 1973-04-04 1974-12-17 Du Pont Polytetrafluoroethylene molding powders of tetrafluoroethylene and perfluoro (alkyl vinyl ether) copolymer
DE2523569C3 (de) * 1975-05-28 1980-08-07 Hoechst Ag, 6000 Frankfurt Verfahren zur Polymerisation von Tetrafluoräthylen nach dem Suspensionsverfahren
ES448136A1 (es) * 1975-05-28 1977-11-01 Hoechst Ag Procedimiento para la obtencion de polimeros en suspension del tetrafluoretileno.
DE2617829C2 (de) * 1976-04-23 1982-06-03 Hoechst Ag, 6000 Frankfurt Verfahren zur Herstellung von Suspensionspolymerisaten des Tetrafluoräthylens
JPS53139660A (en) * 1977-05-12 1978-12-06 Mitsui Fluorochemicals Co Ltd Method of making mixture of glass powder and polytetrafluoroethylene powder
US4123606A (en) * 1977-09-21 1978-10-31 E. I. Du Pont De Nemours And Company Deagglomeration process
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"
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"
JPH075743B2 (ja) * 1986-12-22 1995-01-25 ダイキン工業株式会社 テトラフルオロエチレン系共重合体粉末およびその製造法
US5176958A (en) * 1987-06-24 1993-01-05 Daikin Industries Ltd. Modified polytetrafluoroethylene fine powder and process for preparing the same
JP2551005B2 (ja) * 1987-06-24 1996-11-06 ダイキン工業株式会社 変性ポリテトラフルオロエチレンフアインパウダ−及びその製造方法
US4898799A (en) * 1987-07-10 1990-02-06 Konica Corporation Photoreceptor
DE4022405A1 (de) * 1990-07-13 1992-01-16 Hoechst Ag Verfahren zur herstellung von tetrafluorethylen-polymerisat in waessriger suspension

Also Published As

Publication number Publication date
EP0583481B1 (de) 1999-11-10
US5763082A (en) 1998-06-09
DE69326979T2 (de) 2000-04-20
EP0583481A4 (en) 1994-07-27
WO1993016126A1 (en) 1993-08-19
JP3177983B2 (ja) 2001-06-18
EP0583481A1 (de) 1994-02-23

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