BR0212657A - Copolìmero tetrafluoroetileno-perfluorobutileno - Google Patents

Copolìmero tetrafluoroetileno-perfluorobutileno

Info

Publication number
BR0212657A
BR0212657A BR0212657A BR0212657A BR0212657A BR 0212657 A BR0212657 A BR 0212657A BR 0212657 A BR0212657 A BR 0212657A BR 0212657 A BR0212657 A BR 0212657A BR 0212657 A BR0212657 A BR 0212657A
Authority
BR
Brazil
Prior art keywords
copolymer
tetrafluoroethylene
comonomer
reaction
microns
Prior art date
Application number
BR0212657A
Other languages
English (en)
Other versions
BR0212657B1 (pt
Inventor
Richard L Baillie
Original Assignee
Gore Enterprise Holdings Inc
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 Gore Enterprise Holdings Inc filed Critical Gore Enterprise Holdings Inc
Publication of BR0212657A publication Critical patent/BR0212657A/pt
Publication of BR0212657B1 publication Critical patent/BR0212657B1/pt

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
    • 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
    • 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
    • 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)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Polymerization Catalysts (AREA)
  • Polymerisation Methods In General (AREA)

Abstract

"COPOLìMERO TETRAFLUOROETILENO - PERFLUOROBUTILETILENO". Processo de polimerização para a produção de um copolímero de tetrafluoroetileno e perfluorobutiletileno, preparado por uma técnica de polimerização de dispersão aquosa, e a resina produzida, são providos. Este copolímero contém uma quantidade relativamente pequena, entre cerca de 0.02 por cento em peso e cerca de 0.6 por cento em peso, das unidades de polimerização do comonómero. O comonómero é encontrado sendo compreendido de uma estrutura de revestimento do núcleo em que as unidades do comonómero polimerizado residem primariamente dentro do núcleo. O tamanho das partículas primárias do copolímero varia de 0.175 mícrons a e incluindo 0.203 mícrons e a gravidade específica padrão é menor que 2.143. Este copolímero possui uma combinação única de tamanho de partícula muito pequena acoplada com peso molecular alto, uma combinação não antes encontrada em polimeros tetrafluoroetileno do tipo dispersão ou pó fino. O processo desta invenção é caracterizado por iniciação permanganato e a reação total é realizada na ausência de cloreto de zinco ou outro intensificador de resistência iónica. A adição do iniciador pode ser parada antes da conclusão da reação, preferivelmente em ou antes do ponto médio da reação completa.
BR0212657A 2001-10-15 2002-10-02 processo para copolimerizaÇço de um copolÍmero de tetrafluoroetileno do tipo dispersço / pà fino e produto obtido a partir do mesmo. BR0212657B1 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/977,812 US6541589B1 (en) 2001-10-15 2001-10-15 Tetrafluoroethylene copolymer
PCT/US2002/031533 WO2003033555A1 (en) 2001-10-15 2002-10-02 Tetrafluoroethylene-perfluorobutylethene-copolymer

Publications (2)

Publication Number Publication Date
BR0212657A true BR0212657A (pt) 2004-08-24
BR0212657B1 BR0212657B1 (pt) 2013-01-22

Family

ID=25525543

Family Applications (1)

Application Number Title Priority Date Filing Date
BR0212657A BR0212657B1 (pt) 2001-10-15 2002-10-02 processo para copolimerizaÇço de um copolÍmero de tetrafluoroetileno do tipo dispersço / pà fino e produto obtido a partir do mesmo.

Country Status (9)

Country Link
US (3) US6541589B1 (pt)
EP (1) EP1444277B1 (pt)
JP (1) JP4031433B2 (pt)
CN (1) CN1274729C (pt)
BR (1) BR0212657B1 (pt)
DE (1) DE60217162T2 (pt)
HK (1) HK1070375A1 (pt)
RU (1) RU2269543C1 (pt)
WO (1) WO2003033555A1 (pt)

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EP1444277A1 (en) 2004-08-11
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US20050222319A1 (en) 2005-10-06
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DE60217162T2 (de) 2007-10-25
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US20030135002A1 (en) 2003-07-17
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