AU2003302666A1 - Directly polymerized low molecular weight granular polytetrafluoroethylene - Google Patents

Directly polymerized low molecular weight granular polytetrafluoroethylene

Info

Publication number
AU2003302666A1
AU2003302666A1 AU2003302666A AU2003302666A AU2003302666A1 AU 2003302666 A1 AU2003302666 A1 AU 2003302666A1 AU 2003302666 A AU2003302666 A AU 2003302666A AU 2003302666 A AU2003302666 A AU 2003302666A AU 2003302666 A1 AU2003302666 A1 AU 2003302666A1
Authority
AU
Australia
Prior art keywords
molecular weight
low molecular
directly polymerized
weight granular
granular polytetrafluoroethylene
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.)
Abandoned
Application number
AU2003302666A
Other languages
English (en)
Inventor
Richard A. Morgan
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.)
EIDP Inc
Original Assignee
EI Du Pont de Nemours and Co
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 EI Du Pont de Nemours and Co filed Critical EI Du Pont de Nemours and Co
Publication of AU2003302666A1 publication Critical patent/AU2003302666A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • 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
    • C08F6/00—Post-polymerisation treatments
    • C08F6/24—Treatment of polymer suspensions
    • 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
    • C08F114/00—Homopolymers 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
    • C08F114/18—Monomers containing fluorine
    • C08F114/26—Tetrafluoroethene
    • 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
    • C08F14/00—Homopolymers and 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
    • C08F14/18—Monomers containing fluorine
    • C08F14/26—Tetrafluoroethene

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Polymerisation Methods In General (AREA)
  • Inks, Pencil-Leads, Or Crayons (AREA)
AU2003302666A 2002-11-22 2003-11-20 Directly polymerized low molecular weight granular polytetrafluoroethylene Abandoned AU2003302666A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US42834302P 2002-11-22 2002-11-22
US60/428,343 2002-11-22
PCT/US2003/037669 WO2004050727A1 (en) 2002-11-22 2003-11-20 Directly polymerized low molecular weight granular polytetrafluoroethylene

Publications (1)

Publication Number Publication Date
AU2003302666A1 true AU2003302666A1 (en) 2004-06-23

Family

ID=32469303

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2003302666A Abandoned AU2003302666A1 (en) 2002-11-22 2003-11-20 Directly polymerized low molecular weight granular polytetrafluoroethylene

Country Status (6)

Country Link
US (2) US7176265B2 (https=)
EP (1) EP1562995A1 (https=)
JP (1) JP2006509072A (https=)
CN (2) CN1326893C (https=)
AU (1) AU2003302666A1 (https=)
WO (1) WO2004050727A1 (https=)

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US7176265B2 (en) * 2002-11-22 2007-02-13 E. I. Du Pont De Nemours And Company Directly polymerized low molecular weight granular polytetrafluoroethylene
US7803889B2 (en) * 2003-02-28 2010-09-28 Daikin Industries, Ltd. Granulated powder of low-molecular polytetrafluoro-ethylene and powder of low-molecular polytetrafluoro-ethylene and processes for producing both
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
US7410110B2 (en) * 2005-08-30 2008-08-12 Uchicago Argonne, Llc Efficient process for making tackifiers and adhesives
CN100506858C (zh) * 2006-11-10 2009-07-01 中昊晨光化工研究院 一种低分子量聚四氟乙烯树脂的生产方法
JP5338667B2 (ja) 2007-08-07 2013-11-13 ダイキン工業株式会社 低分子量ポリテトラフルオロエチレン水性分散液、低分子量ポリテトラフルオロエチレン粉末及び低分子量ポリテトラフルオロエチレンの製造方法
JP5697308B2 (ja) * 2009-03-02 2015-04-08 ダイキン工業株式会社 低分子量ポリテトラフルオロエチレン粉末及びその製造方法、低分子量ポリテトラフルオロエチレンゲル化粉末、並びに定着部材用塗料
CN102369221B (zh) * 2009-03-31 2014-03-12 大金工业株式会社 低分子量聚四氟乙烯粉末及其制造方法
US8485657B2 (en) * 2010-01-08 2013-07-16 Advanced Chemical Solutions, Llc Sublimation printing processes and fabric pretreatment compositions for ink jet printing onto arbitrary fabrics
JP5527904B2 (ja) * 2011-11-28 2014-06-25 富士フイルム株式会社 内視鏡
CN104245827B (zh) 2012-04-20 2019-09-06 大金工业株式会社 以ptfe为主要成分的组合物、混合粉末、成型用材料和过滤器用滤材、空气过滤器单元、以及多孔膜的制造方法
JP6256355B2 (ja) * 2013-02-05 2018-01-10 旭硝子株式会社 ポリテトラフルオロエチレンモールディングパウダーの製造方法およびポリテトラフルオロエチレン造粒物の製造方法
US10245545B2 (en) 2013-10-23 2019-04-02 Daikin Industries, Ltd. Embossed air filter filtration medium, filter pack, air filter unit, and method for manufacturing filtration medium for embossed air filter
JP5880760B2 (ja) * 2014-04-24 2016-03-09 ダイキン工業株式会社 積層体
WO2017043372A1 (ja) 2015-09-07 2017-03-16 住友電工ファインポリマー株式会社 ポリテトラフルオロエチレン成形体の製造方法及びポリテトラフルオロエチレン成形体
JP6673230B2 (ja) 2017-01-12 2020-03-25 ダイキン工業株式会社 エアフィルタ濾材
JP7205487B2 (ja) * 2017-11-16 2023-01-17 Ａｇｃ株式会社 樹脂パウダーの製造方法、樹脂パウダーおよび積層体の製造方法
JP6816746B2 (ja) 2018-07-20 2021-01-20 ダイキン工業株式会社 エアフィルタ濾材、フィルタパック、およびエアフィルタユニット
US20220040614A1 (en) 2018-09-28 2022-02-10 Daikin Industries, Ltd. Air filter medium, filter pack, air filter unit, and method for producing the same
CN110305585A (zh) * 2019-07-11 2019-10-08 闽江学院 一种耐热抗冲击天然生漆膜及其制备方法
JP2023501048A (ja) * 2019-09-17 2023-01-18 グジャラート フルオロケミカルズ リミテッド 低分子量ポリテトラフルオロエチレン微粉末及びその調製方法
EP4056366A4 (en) 2019-11-05 2023-11-15 Daikin Industries, Ltd. LAMINATED BODY AND EXTRUSION MOLDED ARTICLE
CN111412372A (zh) * 2020-04-15 2020-07-14 山东军沃科技有限公司 一种弹壳引长无水清洗加工工艺
CA3175483A1 (en) * 2020-05-26 2021-12-02 Zeus Company Inc. Microparticles from thermomechanically degraded ptfe
JP7181480B2 (ja) 2021-02-04 2022-12-01 ダイキン工業株式会社 エアフィルタ濾材、エアフィルタ濾材の製造方法、マスク用濾材、および、プリーツ状マスク用濾材
EP4353344A4 (en) 2021-06-04 2024-08-21 Daikin Industries, Ltd. AIR FILTER MEDIA, PLEATED FILTER MEDIA, AIR FILTER UNIT, MASK FILTRATION MEDIA, AND METHOD FOR RECYCLING AIR FILTER MEDIA
CN114085481A (zh) * 2021-12-17 2022-02-25 上海佳珊赫新材料科技有限公司 一种增强聚四氟乙烯韧性及使用寿命改性配方
CN118871179A (zh) 2022-03-15 2024-10-29 大金工业株式会社 空气过滤器滤材、空气过滤包以及空气过滤器单元

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US3105824A (en) 1960-05-03 1963-10-01 Du Pont Aqueous fluorocarbon telomer dispersion and process of preparing same
US3245972A (en) 1962-06-21 1966-04-12 Du Pont Polytetrafluoroethylene molding powder and its preparation
ES404938A1 (es) 1971-07-22 1975-06-16 Hoechst Ag Procedimiento para la obtencion de ceras fluorocarbonadas.
US3956000A (en) 1972-07-21 1976-05-11 Hoechst Aktiengesellschaft Fluorocarbon waxes and process for producing them
US3855191A (en) 1973-04-04 1974-12-17 Du Pont Polytetrafluoroethylene molding powders of tetrafluoroethylene and perfluoro (alkyl vinyl ether) copolymer
JPS5141085A (ja) 1974-10-05 1976-04-06 Daikin Ind Ltd Tetorafuruoruechirenwatsukusuno seizoho
DE2523569C3 (de) * 1975-05-28 1980-08-07 Hoechst Ag, 6000 Frankfurt Verfahren zur Polymerisation von Tetrafluoräthylen nach dem Suspensionsverfahren
JPS5246993A (en) 1975-10-09 1977-04-14 Glory Ltd Coin packing machine
DE2639109A1 (de) * 1976-08-31 1978-03-09 Hoechst Ag Copolymerisate des tetrafluoraethylens und verfahren zu deren herstellung
DE2949908A1 (de) * 1979-12-12 1981-06-19 Hoechst Ag, 6230 Frankfurt Rieselfaehige sinterpulver mit verbesserten eigenschaften auf basis von tetrafluorethylen-polymeren und verfahren zu deren herstellung
JPS5722043A (en) 1980-07-15 1982-02-04 Nippon Catalytic Chem Ind Cylindrical body in fiber reinforced thermosetting resin andits manufacture
US4487902A (en) * 1981-08-06 1984-12-11 E. I. Du Pont De Nemours And Company Polymer of TFE and f-alkyl ethylene
US4360618A (en) 1981-11-19 1982-11-23 Monsanto Company Low acrylonitrile content styrene-acrylonitrile polymers blended with polyphenylene oxide
JPS59117503A (ja) * 1982-12-24 1984-07-06 Kureha Chem Ind Co Ltd 新規な含フツ素単量体の製造法
US4703095A (en) * 1983-02-01 1987-10-27 Daiken Kogyo Co., Ltd. Fluorine-containing copolymer
JPS59166516A (ja) * 1983-02-01 1984-09-19 Daikin Ind Ltd 含フツ素共重合体
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
DE4331971A1 (de) 1993-09-21 1995-03-23 Hoechst Ag Polytetrafluorethylen-Mikropulver, ihre Herstellung und Verwendung
DE4332712A1 (de) * 1993-09-25 1995-03-30 Hoechst Ag Verfahren zur Herstellung eines modifizierten Polytetrafluorethylens und seine Verwendung
JPH07126329A (ja) * 1993-10-29 1995-05-16 Nippon Mektron Ltd テトラフルオロエチレン−パーフルオロビニルエ−テル共重合体
DE69513392T2 (de) 1994-03-02 2000-06-29 E.I. Du Pont De Nemours And Co., Wilmington Abkreide- und verschleissfeste trennbeschichtung
US5405923A (en) 1994-05-02 1995-04-11 E. I Du Pont De Nemours And Company Suspension polymerization of TFE
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
US5760151A (en) * 1995-08-17 1998-06-02 E. I. Du Pont De Nemours And Company Tetrafluoroethylene copolymer
US6037402A (en) * 1995-10-27 2000-03-14 Daikin Industries, Ltd. Granular powder of filled polytetrafluoroethylene and process for the production thereof
US5936060A (en) * 1996-11-25 1999-08-10 E. I. Du Pont De Nemours And Company Perfluoroelastomer composition having improved processability
US6747108B1 (en) * 1998-07-13 2004-06-08 Daikin Industries, Ltd. Modified polytetrafluoroethylene fine powder and process for preparing the same
JP5082180B2 (ja) 1999-11-16 2012-11-28 ダイキン工業株式会社 含フッ素共重合体
JP2002003514A (ja) 2000-06-19 2002-01-09 Du Pont Mitsui Fluorochem Co Ltd テトラフルオロエチレン・パーフルオロ（アルキルビニルエーテル）共重合体の製造方法
US6703464B2 (en) * 2002-01-17 2004-03-09 Daikin America, Inc. Flourine-containing copolymer
US7176265B2 (en) * 2002-11-22 2007-02-13 E. I. Du Pont De Nemours And Company Directly polymerized low molecular weight granular polytetrafluoroethylene

Also Published As

Publication number Publication date
WO2004050727A8 (en) 2004-10-21
US7176265B2 (en) 2007-02-13
CN101029104A (zh) 2007-09-05
EP1562995A1 (en) 2005-08-17
US20070015889A1 (en) 2007-01-18
WO2004050727A1 (en) 2004-06-17
JP2006509072A (ja) 2006-03-16
US20050182216A1 (en) 2005-08-18
CN1714109A (zh) 2005-12-28
CN1326893C (zh) 2007-07-18

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Legal Events

Date Code Title Description
MK6 Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase