Catalyst Composition Comprising Shuttling Agent for Ethylene Multi-Block Copolymer Formation

A composition for use in forming a multi-block copolymer, said copolymer containing therein two or more segments or blocks differing in chemical or physical properties, a polymerization process using the same, and the resulting polymers, wherein the composition comprises the admixture or reaction pr...

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Main Authors GRAF DAVID D, HUSTAD PHILLIP D, DEVORE DAVID D, STIRN PAMELA J, ROOF GORDON R, SHAN COLIN LI PI, POON BENJAMIN C, STEVENS JAMES C, WENZEL TIMOTHY T, ARRIOLA DANIEL J, KUHLMAN ROGER L, CARNAHAN EDMUND M, CHEUNG YUNWA WILSON
Format Patent
LanguageEnglish
Published 04.09.2014
Subjects
CHEMISTRY
COMPOSITIONS BASED THEREON
MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS
METALLURGY
ORGANIC MACROMOLECULAR COMPOUNDS
THEIR PREPARATION OR CHEMICAL WORKING-UP
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Summary:A composition for use in forming a multi-block copolymer, said copolymer containing therein two or more segments or blocks differing in chemical or physical properties, a polymerization process using the same, and the resulting polymers, wherein the composition comprises the admixture or reaction product resulting from combining: (A) a first metal complex olefin polymerization catalyst, (B) a second metal complex olefin polymerization catalyst capable of preparing polymers differing in chemical or physical properties from the polymer prepared by catalyst (A) under equivalent polymerization conditions, and (C) a chain shuttling agent.
Bibliography:Application Number: US201414278472