PROCESS FOR PREPARING IN A SINGLE REACTOR POLYMER BLENDS HAVING A BROAD MOLECULAR WEIGHT DISTRIBUTION

Ethylene-based polymer blends having an MWD of at least 2 were made in a single reactor using a mixed constrained geometry catalyst (CGC) system. The process comprises the steps of contactin g under polymerization conditions and in a single reaction vessel (i) ethylene, (ii) at least one C3-C20.alph...

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Bibliographic Details
Main Authors MANGOLD, DEBRA J, LAUGHNER, MICHAEL K, PARIKH, DEEPAK R
Format Patent
LanguageEnglish
French
Published 06.10.2009
Subjects
AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G
CHEMISTRY
COMPOSITIONS BASED THEREON
COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
GENERAL PROCESSES OF COMPOUNDING
MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS
METALLURGY
ORGANIC MACROMOLECULAR COMPOUNDS
THEIR PREPARATION OR CHEMICAL WORKING-UP
WORKING-UP
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Summary:Ethylene-based polymer blends having an MWD of at least 2 were made in a single reactor using a mixed constrained geometry catalyst (CGC) system. The process comprises the steps of contactin g under polymerization conditions and in a single reaction vessel (i) ethylene, (ii) at least one C3-C20.alpha.-olefin, (iii) optionally, at least one polyene, and (iv) a mixed CGC system.
Bibliography:Application Number: CA20002382182