DE3582831D1 - Feine tetrafluorethylenpulverharze und ihre herstellung. - Google Patents

Feine tetrafluorethylenpulverharze und ihre herstellung.

Info

Publication number
DE3582831D1
DE3582831D1 DE8585304322T DE3582831T DE3582831D1 DE 3582831 D1 DE3582831 D1 DE 3582831D1 DE 8585304322 T DE8585304322 T DE 8585304322T DE 3582831 T DE3582831 T DE 3582831T DE 3582831 D1 DE3582831 D1 DE 3582831D1
Authority
DE
Germany
Prior art keywords
tetrafluorethylene
fine
production
powder resins
resins
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
DE8585304322T
Other languages
English (en)
Inventor
Satish Chandra Malhotra
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=24491679&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE3582831(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by EI Du Pont de Nemours and Co filed Critical EI Du Pont de Nemours and Co
Application granted granted Critical
Publication of DE3582831D1 publication Critical patent/DE3582831D1/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
    • 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
    • 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
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31855—Of addition polymer from unsaturated monomers
    • Y10T428/31859—Next to an aldehyde or ketone condensation product
    • Y10T428/31862—Melamine-aldehyde

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)
  • Polymerisation Methods In General (AREA)
  • Polymerization Catalysts (AREA)
DE8585304322T 1984-06-18 1985-06-17 Feine tetrafluorethylenpulverharze und ihre herstellung. Expired - Lifetime DE3582831D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/621,798 US4576869A (en) 1984-06-18 1984-06-18 Tetrafluoroethylene fine powder and preparation thereof

Publications (1)

Publication Number Publication Date
DE3582831D1 true DE3582831D1 (de) 1991-06-20

Family

ID=24491679

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8585304322T Expired - Lifetime DE3582831D1 (de) 1984-06-18 1985-06-17 Feine tetrafluorethylenpulverharze und ihre herstellung.

Country Status (5)

Country Link
US (1) US4576869A (de)
EP (1) EP0170382B1 (de)
JP (1) JP2560005B2 (de)
CA (1) CA1260200A (de)
DE (1) DE3582831D1 (de)

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WO1992021715A1 (en) * 1991-06-04 1992-12-10 Donaldson Company, Inc. Fluid treated polytetrafluoroethylene products and their manufacture
DE4308368C2 (de) * 1993-03-16 1997-05-22 Gore & Ass Poröses Polytetrafluorethylen (PTFE) sowie ein Verfahren zu seiner Herstellung
DE4335705A1 (de) * 1993-10-20 1995-04-27 Hoechst Ag Herstellung eines modifizierten Polytetrafluorethylens und seine Verwendung
CA2189662C (en) 1994-05-06 2004-12-14 William M. Colone Radially expandable polytetrafluoroethylene
WO1996000103A1 (en) * 1994-06-27 1996-01-04 Endomed, Inc. Radially expandable polytetrafluoroethylene and expandable endovascular stents formed therewith
US5792525A (en) * 1995-03-31 1998-08-11 W. L. Gore & Associates, Inc. Creep resistant shaped article of densified expanded polytetrafluoroethylene
US5955556A (en) * 1995-11-06 1999-09-21 Alliedsignal Inc. Method of manufacturing fluoropolymers
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US5756620A (en) * 1995-11-15 1998-05-26 E. I. Du Pont De Nemours And Company Tetrafluoroethylene polymer for improved paste extrusion
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US6015838A (en) * 1996-11-04 2000-01-18 3M Innovative Properties Company Aqueous film-forming foam compositions
US6013795A (en) * 1996-11-04 2000-01-11 3M Innovative Properties Company Alpha-branched fluoroalkylcarbonyl fluorides and their derivatives
US5998521A (en) * 1996-11-04 1999-12-07 3M Innovative Properties Company Aqueous fluoropolymer compositions and method of preparing the same
US5965074A (en) * 1997-02-17 1999-10-12 E.I. Du Pont De Nemours And Company Continuous paste extrusion method
US6177533B1 (en) * 1998-11-13 2001-01-23 E. I. Du Pont De Nemours And Company Polytetrafluoroethylene resin
US6136933A (en) * 1998-11-13 2000-10-24 E. I. Du Pont De Nemours And Company Process for polymerizing tetrafluoroethylene
US7049380B1 (en) 1999-01-19 2006-05-23 Gore Enterprise Holdings, Inc. Thermoplastic copolymer of tetrafluoroethylene and perfluoromethyl vinyl ether and medical devices employing the copolymer
US6541589B1 (en) * 2001-10-15 2003-04-01 Gore Enterprise Holdings, Inc. Tetrafluoroethylene copolymer
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US7956112B2 (en) * 2006-12-04 2011-06-07 E. I. Du Pont De Nemours And Company Aqueous fluoropolymer dispersion stabilized with amine oxide surfactant and process for making coagulated fluoropolymer resin
JP5581569B2 (ja) * 2007-02-16 2014-09-03 ダイキン工業株式会社 ポリテトラフルオロエチレンファインパウダー、ポリテトラフルオロエチレン製造方法
US8637144B2 (en) * 2007-10-04 2014-01-28 W. L. Gore & Associates, Inc. Expandable TFE copolymers, method of making, and porous, expended articles thereof
US9650479B2 (en) 2007-10-04 2017-05-16 W. L. Gore & Associates, Inc. Dense articles formed from tetrafluoroethylene core shell copolymers and methods of making the same
US9040646B2 (en) 2007-10-04 2015-05-26 W. L. Gore & Associates, Inc. Expandable TFE copolymers, methods of making, and porous, expanded articles thereof
US20100036073A1 (en) * 2008-08-08 2010-02-11 E. I. Du Pont De Nemours And Company Non-Melt-Flowable Perfluoropolymer Comprising Repeating Units Arising From Tetrafluoroethylene and a Monomer Having a Functional Group and a Polymerizable Carbon-Carbon Double Bond
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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
CN102639574B (zh) 2009-11-09 2015-11-25 旭硝子株式会社 聚四氟乙烯水性乳化液及其制造方法、使用该水性乳化液获得的聚四氟乙烯水性分散液、聚四氟乙烯细粉以及拉伸多孔体
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JP4984007B1 (ja) 2010-12-21 2012-07-25 ダイキン工業株式会社 ポリテトラフルオロエチレン混合物
JP5418584B2 (ja) * 2010-12-21 2014-02-19 ダイキン工業株式会社 ポリテトラフルオロエチレン混合物
EP2749576B1 (de) 2011-08-25 2016-07-13 Daikin Industries, Ltd. Verfahren zur herstellung einer wässrigen polytetrafluorethylendispersion
US9775933B2 (en) 2012-03-02 2017-10-03 W. L. Gore & Associates, Inc. Biocompatible surfaces and devices incorporating such surfaces
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
WO2014119158A1 (ja) * 2013-01-31 2014-08-07 ダイキン工業株式会社 難燃性樹脂組成物、マスターバッチ、成形品、電線及びジャケット
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
EP4596613A1 (de) 2013-11-29 2025-08-06 Daikin Industries, Ltd. Poröser körper, polymerelektrolytmembran, filtermaterial für filter und filtereinheit
US9644054B2 (en) 2014-12-19 2017-05-09 W. L. Gore & Associates, Inc. Dense articles formed from tetrafluoroethylene core shell copolymers and methods of making the same
US10987638B2 (en) 2015-06-19 2021-04-27 W. L. Gore & Associates, Inc. Asymmetric polytetrafluoroethylene composite having a macro-textured surface and method for making the same
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
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WO2020018925A1 (en) 2018-07-19 2020-01-23 W.L. Gore & Associates, Inc. High flow liquid filtration device including a porous polyparaxylylene membrane or a porous polyparaxylylene/polytetrafluoroethylene composite membrane
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
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WO2020105651A1 (ja) 2018-11-19 2020-05-28 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の製造方法及び組成物
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JP7104354B2 (ja) 2019-02-07 2022-07-21 ダイキン工業株式会社 組成物、延伸体及びその製造方法
JP7417131B2 (ja) 2019-11-19 2024-01-18 ダイキン工業株式会社 ポリテトラフルオロエチレンの製造方法
KR102798469B1 (ko) 2019-12-13 2025-04-18 더블유. 엘. 고어 앤드 어소시에이트스, 인코포레이티드 마크로 텍스처 표면을 갖는 다공성 폴리테트라플루오로에틸렌 멤브레인 및 이를 제조하는 방법
WO2022107894A1 (ja) 2020-11-19 2022-05-27 ダイキン工業株式会社 ポリテトラフルオロエチレンの製造方法およびポリテトラフルオロエチレンを含有する組成物
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
JPWO2022244784A1 (de) 2021-05-19 2022-11-24
EP4353344A4 (de) 2021-06-04 2024-08-21 Daikin Industries, Ltd. Luftfiltermedium, gefaltetes filtermedium, luftfiltereinheit, maskenfiltermedium und verfahren zur rückführung des luftfiltermediums
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Also Published As

Publication number Publication date
CA1260200A (en) 1989-09-26
JPS6116907A (ja) 1986-01-24
EP0170382B1 (de) 1991-05-15
JP2560005B2 (ja) 1996-12-04
EP0170382A2 (de) 1986-02-05
US4576869A (en) 1986-03-18
EP0170382A3 (en) 1986-10-08

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8365 Fully valid after opposition proceedings