BR8205249A - 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 - Google Patents

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

Info

Publication number
BR8205249A
BR8205249A BR8205249A BR8205249A BR8205249A BR 8205249 A BR8205249 A BR 8205249A BR 8205249 A BR8205249 A BR 8205249A BR 8205249 A BR8205249 A BR 8205249A BR 8205249 A BR8205249 A BR 8205249A
Authority
BR
Brazil
Prior art keywords
point
agglomerated molding
agglomerated
processed
pool
Prior art date
Application number
BR8205249A
Other languages
English (en)
Inventor
Jurgen Kuhls
Eduard Weiss
Gottfried Burgstaller
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
Publication of BR8205249A publication Critical patent/BR8205249A/pt

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)
BR8205249A 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 BR8205249A (pt)

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
BR8205249A true BR8205249A (pt) 1983-08-16

Family

ID=6141149

Family Applications (1)

Application Number Title Priority Date Filing Date
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

Country Status (6)

Country Link
US (2) US4439385A (pt)
EP (1) EP0074096B1 (pt)
JP (2) JPS5865722A (pt)
BR (1) BR8205249A (pt)
CA (1) CA1184728A (pt)
DE (2) DE3135598A1 (pt)

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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
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US7125941B2 (en) * 2001-03-26 2006-10-24 3M Innovative Properties Company Aqueous emulsion polymerization process for producing fluoropolymers
JP4624646B2 (ja) * 2001-05-02 2011-02-02 スリーエム イノベイティブ プロパティズ カンパニー フルオロポリマーを製造するための連鎖移動剤としてのエーテルの存在下での水性乳化重合
CN1290880C (zh) * 2001-05-02 2006-12-20 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
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US6737489B2 (en) 2001-05-21 2004-05-18 3M Innovative Properties Company Polymers containing perfluorovinyl ethers and applications for such polymers
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
US7064170B2 (en) * 2002-10-31 2006-06-20 3M Innovative Properties Company Emulsifier free aqueous emulsion polymerization to produce copolymers of a fluorinated olefin and hydrocarbon olefin
ATE404597T1 (de) * 2002-12-19 2008-08-15 Asahi Glass Co Ltd Tetrafluorethylen-copolymer
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
EP1529785B1 (en) * 2003-10-24 2011-03-16 3M Innovative Properties Company Aqueous dispersions of polytetrafluoroethylene particles
ATE529451T1 (de) * 2003-11-17 2011-11-15 3M Innovative Properties Co Wässrige ptfe-dispersionen mit einem niedrigen gehalt an fluorierten emulgatoren
ATE433350T1 (de) * 2004-03-01 2009-06-15 3M Innovative Properties Co Verfahren zum beschichten eines gegenstands mit einer fluorhaltigen kunststoffsdispersion
JP4637178B2 (ja) * 2004-09-21 2011-02-23 ヴィヴェス，ホアン イグレシアス 赤外線を用いた粉末材料の造粒及び／又は乾燥方法及び装置
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
GB0525978D0 (en) * 2005-12-21 2006-02-01 3M Innovative Properties Co Fluorinated Surfactants For Making Fluoropolymers
US20080015304A1 (en) 2006-07-13 2008-01-17 Klaus Hintzer Aqueous emulsion polymerization process for producing fluoropolymers
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US7795332B2 (en) * 2005-07-15 2010-09-14 3M Innovative Properties Company Method of removing fluorinated carboxylic acid from aqueous liquid
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
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JP5569519B2 (ja) * 2009-03-31 2014-08-13 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粉末及びその製造方法
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Also Published As

Publication number Publication date
JPS5865722A (ja) 1983-04-19
US4774304A (en) 1988-09-27
US4439385A (en) 1984-03-27
EP0074096A2 (de) 1983-03-16
EP0074096A3 (en) 1983-09-14
EP0074096B1 (de) 1986-03-26
DE3270126D1 (en) 1986-04-30
DE3135598A1 (de) 1983-03-17
JPH0339105B2 (pt) 1991-06-12
JPH0776274B2 (ja) 1995-08-16
JPH05186605A (ja) 1993-07-27
CA1184728A (en) 1985-04-02

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