DE3135598A1 - "kontinuierliches verfahren zur agglomerierung von ptee-pulvern im fluessigen medium und damit gewonnenes modifiziertes ptee-pulver" - Google Patents

"kontinuierliches verfahren zur agglomerierung von ptee-pulvern im fluessigen medium und damit gewonnenes modifiziertes ptee-pulver"

Info

Publication number
DE3135598A1
DE3135598A1 DE3135598A DE3135598A DE3135598A1 DE 3135598 A1 DE3135598 A1 DE 3135598A1 DE 3135598 A DE3135598 A DE 3135598A DE 3135598 A DE3135598 A DE 3135598A DE 3135598 A1 DE3135598 A1 DE 3135598A1
Authority
DE
Germany
Prior art keywords
powder
stage
liquid medium
agglomerated
particle diameter
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.)
Withdrawn
Application number
DE3135598A
Other languages
German (de)
English (en)
Inventor
Gottfried 8261 Burgkirchen Burgstaller
Jürgen Dipl.-Chem. Dr. Kuhls
Eduard Dipl.-Ing. 8263 Burghausen Weiß
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.)
Hoechst AG
Original Assignee
Hoechst AG
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 Hoechst AG filed Critical Hoechst AG
Priority to DE3135598A priority Critical patent/DE3135598A1/de
Priority to US06/413,716 priority patent/US4439385A/en
Priority to EP82108130A priority patent/EP0074096B1/de
Priority to DE8282108130T priority patent/DE3270126D1/de
Priority to JP57155337A priority patent/JPS5865722A/ja
Priority to CA000410946A priority patent/CA1184728A/en
Priority to BR8205249A priority patent/BR8205249A/pt
Publication of DE3135598A1 publication Critical patent/DE3135598A1/de
Priority to US07/021,168 priority patent/US4774304A/en
Priority to JP2403738A priority patent/JPH0776274B2/ja
Withdrawn legal-status Critical Current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
    • 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
    • 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)
  • Dispersion Chemistry (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
DE3135598A 1981-09-09 1981-09-09 "kontinuierliches verfahren zur agglomerierung von ptee-pulvern im fluessigen medium und damit gewonnenes modifiziertes ptee-pulver" Withdrawn DE3135598A1 (de)

Priority Applications (9)

Application Number Priority Date Filing Date Title
DE3135598A DE3135598A1 (de) 1981-09-09 1981-09-09 "kontinuierliches verfahren zur agglomerierung von ptee-pulvern im fluessigen medium und damit gewonnenes modifiziertes ptee-pulver"
US06/413,716 US4439385A (en) 1981-09-09 1982-09-01 Continuous process for the agglomeration of PTFE powders in a liquid medium
EP82108130A EP0074096B1 (de) 1981-09-09 1982-09-03 Kontinuierliches Verfahren zur Agglomerierung von PTFE-Pulvern im flüssigen Medium und damit gewonnenes modifiziertes PTFE-Pulver
DE8282108130T DE3270126D1 (en) 1981-09-09 1982-09-03 Continuous process for agglomerating ptfe powders in liquid medium and the modified ptfe powder obtained
JP57155337A JPS5865722A (ja) 1981-09-09 1982-09-08 変性ｐｔｆｅ―粉末
CA000410946A CA1184728A (en) 1981-09-09 1982-09-08 Continuous process for the agglomeration of ptfe powders in a liquid medium, and modified ptfe powder obtained thereby
BR8205249A BR8205249A (pt) 1981-09-09 1982-09-08 Processo para a obtencao continua de po de moldacao aglomerado a partir de um po primario de polimero de tetrafluoretileno granulado que nao pode ser processada a partir da massa fundida e po de moldacao aglomerado assim obtido
US07/021,168 US4774304A (en) 1981-09-09 1987-03-03 Molding powder comprising agglomerated particles of PTFE compounds
JP2403738A JPH0776274B2 (ja) 1981-09-09 1990-12-19 液状媒体中でｐｔｆｅ粉末を連続的に凝集する方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3135598A DE3135598A1 (de) 1981-09-09 1981-09-09 "kontinuierliches verfahren zur agglomerierung von ptee-pulvern im fluessigen medium und damit gewonnenes modifiziertes ptee-pulver"

Publications (1)

Publication Number Publication Date
DE3135598A1 true DE3135598A1 (de) 1983-03-17

Family

ID=6141149

Family Applications (2)

Application Number Title Priority Date Filing Date
DE3135598A Withdrawn DE3135598A1 (de) 1981-09-09 1981-09-09 "kontinuierliches verfahren zur agglomerierung von ptee-pulvern im fluessigen medium und damit gewonnenes modifiziertes ptee-pulver"
DE8282108130T Expired DE3270126D1 (en) 1981-09-09 1982-09-03 Continuous process for agglomerating ptfe powders in liquid medium and the modified ptfe powder obtained

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE8282108130T Expired DE3270126D1 (en) 1981-09-09 1982-09-03 Continuous process for agglomerating ptfe powders in liquid medium and the modified ptfe powder obtained

Country Status (6)

Country Link
US (2) US4439385A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
EP (1) EP0074096B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (2) JPS5865722A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
BR (1) BR8205249A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CA (1) CA1184728A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (2) DE3135598A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (67)

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JPS61136525A (ja) * 1984-12-07 1986-06-24 Du Pont Mitsui Fluorochem Co Ltd 変性ポリテトラフルオロエチレン成形体の接合体
EP0265924B2 (en) * 1986-10-29 1998-04-22 Kanegafuchi Kagaku Kogyo Kabushiki Kaisha Uniform polymer particles
JPH02175727A (ja) * 1988-12-28 1990-07-09 Kagawa Atsuko 超微粒子状複合材料の製造方法
JP2701434B2 (ja) * 1989-03-14 1998-01-21 ダイキン工業株式会社 ポリテトラフルオロエチレンの湿潤パウダーの連続製造法
US5977295A (en) * 1990-03-12 1999-11-02 Daikin Industries, Ltd Continuous process for preparing polytetrafluoroethylene wet powder
US5180622A (en) * 1990-04-02 1993-01-19 The Procter & Gamble Company Absorbent members containing interparticle crosslinked aggregates
US5149334A (en) * 1990-04-02 1992-09-22 The Procter & Gamble Company Absorbent articles containing interparticle crosslinked aggregates
US5492962A (en) * 1990-04-02 1996-02-20 The Procter & Gamble Company Method for producing compositions containing interparticle crosslinked aggregates
US5300565A (en) * 1990-04-02 1994-04-05 The Procter & Gamble Company Particulate, absorbent, polymeric compositions containing interparticle crosslinked aggregates
US5124188A (en) * 1990-04-02 1992-06-23 The Procter & Gamble Company Porous, absorbent, polymeric macrostructures and methods of making the same
WO1993016126A1 (en) * 1992-02-05 1993-08-19 Daikin Industries, Ltd. Polytetrafluoroethylene powder for molding
US5433906A (en) * 1993-07-09 1995-07-18 General Motors Corporation Composite of small carbon fibers and thermoplastics and method for making same
DE4331971A1 (de) * 1993-09-21 1995-03-23 Hoechst Ag Polytetrafluorethylen-Mikropulver, ihre Herstellung und Verwendung
US5713881A (en) * 1993-10-22 1998-02-03 Rezai; Ebrahim Non-continuous absorbent composites comprising a porous macrostructure of absorbent gelling particles and a substrate
US5536264A (en) * 1993-10-22 1996-07-16 The Procter & Gamble Company Absorbent composites comprising a porous macrostructure of absorbent gelling particles and a substrate
US5868724A (en) * 1993-10-22 1999-02-09 The Procter & Gamble Company Non-continuous absorbent cores comprising a porous macrostructure of absorbent gelling particles
US5372766A (en) * 1994-03-31 1994-12-13 The Procter & Gamble Company Flexible, porous, absorbent, polymeric macrostructures and methods of making the same
JP3671435B2 (ja) * 1994-07-22 2005-07-13 ダイキン工業株式会社 高分子量フッ素系溶融樹脂微粉末、その成形品、及びこれらの製造方法
US5502161A (en) * 1994-12-21 1996-03-26 Ici Americas Inc. Method for the production of free-flowing tetrafluoroethylene polymer molding powders
AU4869796A (en) * 1995-02-21 1996-09-11 Serrot Corporation Fabric mesh reinforced monolithic thermoplastic membrane
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
EP0861865A4 (en) 1995-11-09 1999-05-26 Daikin Ind Ltd GRANULATED POLYTETRAFLUOROETHYLENE POWDER CONTAINING FILLER AND MOLDING MATERIAL, AND METHOD FOR PRODUCING THE SAME
DE19547907A1 (de) * 1995-12-21 1997-06-26 Dyneon Gmbh Nichtrieselfähige Formpulver aus modifizierten Polytetrafluorethylenen
WO1998041383A1 (en) * 1997-03-17 1998-09-24 Daikin Industries, Ltd. Method of bonding and molding modified polytetrafluoroethylene moldings
KR100441808B1 (ko) † 1997-03-19 2004-07-27 다이낑 고오교 가부시키가이샤 폴리테트라플루오로에틸렌 성형품 및 그 제조방법
US6518349B1 (en) * 1999-03-31 2003-02-11 E. I. Du Pont De Nemours And Company Sprayable powder of non-fibrillatable fluoropolymer
US6482979B1 (en) 1999-12-22 2002-11-19 Dyneon Llc Perfluorinated acid fluorides and preparation thereof
EP1244713B1 (en) * 2000-06-01 2006-05-03 3M Innovative Properties Company Methods for the production of high purity fluoropolymers
US7125941B2 (en) * 2001-03-26 2006-10-24 3M Innovative Properties Company Aqueous emulsion polymerization process for producing fluoropolymers
CN1223619C (zh) 2001-05-02 2005-10-19 3M创新有限公司 制备氟聚合物的无乳化剂水乳液聚合方法
AU2002303564A1 (en) 2001-05-02 2002-11-11 3M Innovative Properties Company Aqueous emulsion polymerization in the presence of ethers as chain transfer agents to produce fluoropolymers
US6737489B2 (en) 2001-05-21 2004-05-18 3M Innovative Properties Company Polymers containing perfluorovinyl ethers and applications for such polymers
US7045571B2 (en) * 2001-05-21 2006-05-16 3M Innovative Properties Company Emulsion polymerization of fluorinated monomers
US7279522B2 (en) * 2001-09-05 2007-10-09 3M Innovative Properties Company Fluoropolymer dispersions containing no or little low molecular weight fluorinated surfactant
US6870020B2 (en) * 2002-04-30 2005-03-22 E. I. Du Pont De Nemours And Company High vinyl ether modified sinterable polytetrafluoroethylene
ITMI20021383A1 (it) * 2002-06-21 2003-12-22 Dry Doughy S R L Procedimento ed additivo per la coalizione e l'impastamento a secco di polveri fino ad arrivare alla sfogliatura
JP2006504844A (ja) * 2002-10-31 2006-02-09 スリーエム イノベイティブ プロパティズ カンパニー フッ化オレフィンと炭化水素オレフィンとのコポリマーを製造するための、乳化剤非含有水性乳化重合
WO2004056887A1 (ja) * 2002-12-19 2004-07-08 Asahi Glass Company, Limited テトラフルオロエチレン共重合体
EP1441014A1 (en) * 2003-01-22 2004-07-28 3M Innovative Properties Company Aqueous fluoropolymer dispersion comprising a melt processible fluoropolymer and having a reduced amount of fluorinated surfactant
DE60336400D1 (de) * 2003-10-24 2011-04-28 3M Innovative Properties Co Wässrige Dispersionen von Polytetrafluorethylenteilchen
ATE529451T1 (de) * 2003-11-17 2011-11-15 3M Innovative Properties Co Wässrige ptfe-dispersionen mit einem niedrigen gehalt an fluorierten emulgatoren
EP1570917B1 (en) * 2004-03-01 2009-06-10 3M Innovative Properties Company Method of coating a substrate with a fluoropolymer dispersion
DK1793187T3 (da) * 2004-09-21 2012-03-05 & I Irtech S L G Fremgangsmåde og maskine til sintring og/eller tørring af pulvermaterialer under brug af infrarød stråling
US7495051B2 (en) * 2004-09-27 2009-02-24 3M Innovative Properties Company Nanocomposite and method of making the same
GB2427170A (en) * 2005-06-17 2006-12-20 3M Innovative Properties Co Fluoropolymer film having glass microspheres
GB0514398D0 (en) * 2005-07-15 2005-08-17 3M Innovative Properties Co Aqueous emulsion polymerization of fluorinated monomers using a fluorinated surfactant
US20080015304A1 (en) 2006-07-13 2008-01-17 Klaus Hintzer Aqueous emulsion polymerization process for producing fluoropolymers
US7671112B2 (en) * 2005-07-15 2010-03-02 3M Innovative Properties Company Method of making fluoropolymer dispersion
GB0514387D0 (en) * 2005-07-15 2005-08-17 3M Innovative Properties Co Aqueous emulsion polymerization of fluorinated monomers using a perfluoropolyether surfactant
GB0523853D0 (en) 2005-11-24 2006-01-04 3M Innovative Properties Co Fluorinated surfactants for use in making a fluoropolymer
GB0525978D0 (en) 2005-12-21 2006-02-01 3M Innovative Properties Co Fluorinated Surfactants For Making Fluoropolymers
GB2430437A (en) * 2005-09-27 2007-03-28 3M Innovative Properties Co Method of making a fluoropolymer
US7728087B2 (en) 2005-12-23 2010-06-01 3M Innovative Properties Company Fluoropolymer dispersion and method for making the same
US7754795B2 (en) * 2006-05-25 2010-07-13 3M Innovative Properties Company Coating composition
US20070276103A1 (en) * 2006-05-25 2007-11-29 3M Innovative Properties Company Fluorinated Surfactants
US8119750B2 (en) 2006-07-13 2012-02-21 3M Innovative Properties Company Explosion taming surfactants for the production of perfluoropolymers
US7678859B2 (en) * 2006-09-14 2010-03-16 3M Innovative Properties Company Preparation and stabilization of fluoropolymer dispersions
CN100376609C (zh) * 2006-12-25 2008-03-26 山东东岳高分子材料有限公司 一种聚四氟乙烯悬浮树脂中粒子的干燥方法
WO2008101137A1 (en) * 2007-02-16 2008-08-21 3M Innovative Properties Company System and process for the removal of fluorochemicals from water
US20080264864A1 (en) 2007-04-27 2008-10-30 3M Innovative Properties Company PROCESS FOR REMOVING FLUORINATED EMULSIFIER FROM FLUOROPOLMER DISPERSIONS USING AN ANION-EXCHANGE RESIN AND A pH-DEPENDENT SURFACTANT AND FLUOROPOLYMER DISPERSIONS CONTAINING A pH-DEPENDENT SURFACTANT
GB0716421D0 (en) 2007-08-23 2007-10-03 3M Innovative Properties Co Method of preparing fluoropolymers by aqueous emulsion polymerization
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
DE102011078766B4 (de) 2011-07-06 2017-02-02 Leibniz-Institut Für Polymerforschung Dresden E.V. Verfahren zur verarbeitung von ptfe
JP5983633B2 (ja) * 2012-02-02 2016-09-06 旭硝子株式会社 ポリテトラフルオロエチレンファインパウダーの製造方法
WO2015080289A1 (ja) 2013-11-29 2015-06-04 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ァインパウダー及び一軸延伸多孔質体
GB201807544D0 (en) 2018-05-09 2018-06-20 3M Innovative Properties Co Fluoropolymers with very low amounts of a fluorinated alkanoic acid or its salts
CN117430473B (zh) * 2023-11-03 2025-06-27 北京理工大学 一种核壳型二硝酰胺铵基复合材料及其制备方法

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Also Published As

Publication number Publication date
DE3270126D1 (en) 1986-04-30
CA1184728A (en) 1985-04-02
JPH0776274B2 (ja) 1995-08-16
US4774304A (en) 1988-09-27
BR8205249A (pt) 1983-08-16
JPH05186605A (ja) 1993-07-27
US4439385A (en) 1984-03-27
EP0074096A3 (en) 1983-09-14
EP0074096A2 (de) 1983-03-16
JPH0339105B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1991-06-12
EP0074096B1 (de) 1986-03-26
JPS5865722A (ja) 1983-04-19

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