BR9807672A - Composições elastoméricas termoplásticas a partir de copolìmeros olefìnicos - Google Patents

Composições elastoméricas termoplásticas a partir de copolìmeros olefìnicos

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Publication number
BR9807672A
BR9807672A BR9807672-8A BR9807672A BR9807672A BR 9807672 A BR9807672 A BR 9807672A BR 9807672 A BR9807672 A BR 9807672A BR 9807672 A BR9807672 A BR 9807672A
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BR
Brazil
Prior art keywords
equal
thermoplastic elastomeric
compositions
polymerization
copolymer
Prior art date
Application number
BR9807672-8A
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English (en)
Inventor
Eric J Markel
Weiqing Weng
Armen H Dekmezian
Andrew J Peacock
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Exxon Chemical Patents Inc
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Publication date
Application filed by Exxon Chemical Patents Inc filed Critical Exxon Chemical Patents Inc
Publication of BR9807672A publication Critical patent/BR9807672A/pt

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    • C08L55/00—Compositions of homopolymers or copolymers, obtained by polymerisation reactions only involving carbon-to-carbon unsaturated bonds, not provided for in groups C08L23/00 - C08L53/00
    • C08L55/005—Homopolymers or copolymers obtained by polymerisation of macromolecular compounds terminated by a carbon-to-carbon double bond
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  • Medicinal Chemistry (AREA)
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Abstract

Patente de Invenção: <B>"COMPOSIçõES ELASTOMéRICAS TERMOPLáSTICAS A PARTIR DE COPOLìMEROS OLEFìNICOS"<D>. A invenção refere-se a um composição elastomérica termoplástica compreendendo um copolímero olefínico derivado de monómeros olefinicamente não-saturados capazes de polimerização por inserção tendo A) um T~ g~, conforme medido por DSC, inferior ou igual a 10°C; B) T~ m~ superior a 80°C; C) um alongamento na ruptura superior ou igual a 300%; D) uma resistência à tração superior ou igual a 10.300 kPa (1500 psi); e E) uma recuperação elástica superior ou igual a 50%. A invenção também refere-se a processo para a preparação da composição da invenção compreendendo: A) polimerização de etileno ou propileno e opcionalmente, um ou mais monómeros copolimerizáveis numa reação de polimerização sob condições suficientes para formar copolímero tendo mais de 40% de não-saturação em grupos terminais; B) copolimerização do produto de A) com etileno e um ou mais comonómeros de modo a preparar o dito copolímero olefínico ramificado. As composições de copolímero olefínico ramificado da invenção são adequadas como reposição para composições de copolímeros em bloco de estireno e em outras aplicações termoplásticas tradicionais.
BR9807672-8A 1997-02-07 1998-02-06 Composições elastoméricas termoplásticas a partir de copolìmeros olefìnicos BR9807672A (pt)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US3732397P 1997-02-07 1997-02-07
US4681297P 1997-05-02 1997-05-02
US6778297P 1997-12-10 1997-12-10
PCT/US1998/002735 WO1998034970A1 (en) 1997-02-07 1998-02-06 Thermoplastic elastomer compositions from branched olefin copolymers

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BR9807672A true BR9807672A (pt) 2000-02-15

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BR9807672-8A BR9807672A (pt) 1997-02-07 1998-02-06 Composições elastoméricas termoplásticas a partir de copolìmeros olefìnicos
BR9808578-6A BR9808578A (pt) 1997-02-07 1998-02-06 Polìmeros de propileno incorporando macrÈmeros de polietileno

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BR9808578-6A BR9808578A (pt) 1997-02-07 1998-02-06 Polìmeros de propileno incorporando macrÈmeros de polietileno

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US (4) US6147180A (pt)
EP (2) EP0958313B1 (pt)
JP (2) JP4218988B2 (pt)
KR (2) KR100564500B1 (pt)
CN (2) CN1130406C (pt)
BR (2) BR9807672A (pt)
CA (2) CA2277063C (pt)
DE (2) DE69808243T2 (pt)
ES (2) ES2181173T3 (pt)
WO (2) WO1998034970A1 (pt)

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US6184327B1 (en) * 1997-12-10 2001-02-06 Exxon Chemical Patents, Inc. Elastomeric propylene polymers
US6897261B1 (en) * 1999-07-26 2005-05-24 Idemitsu Kosan Co., Ltd. Branched olefinic macromonomer, olefin graft copolymer, and olefin resin composition
SG82087A1 (en) * 1999-09-10 2001-07-24 Sumitomo Chemical Co Pressure sensitive adhesive
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US6803422B2 (en) * 1999-09-13 2004-10-12 Denki Kagaku Kogyo Kabushiki Kaisha Cross-copolymerized olefin/aromatic vinyl compound/diene copolymer and process for its production
MY131000A (en) * 2001-03-16 2007-07-31 Dow Global Technologies Inc High melt strength polymers and method of making same
DE60210321T8 (de) * 2001-05-15 2007-02-15 Denki Kagaku Kogyo K.K. Verfahren zur herstllung von olefin/vinylaromat-copolymer
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CA2277063C (en) 2007-03-20
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