Comb polymers based on olefin copolymer macromonomers
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United States of America Patent
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Oct 15, 1996
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app pub date -
Jun 7, 1995
filing date -
Apr 20, 1993
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Abstract
The invention relates to comb polymers based on olefin copolymer macromonomers. Preferred comb polymers are copolymers of optionally hydrogenated olefin copolymer macromonomers of formula I ##STR1## wherein R' is hydrogen or methyl R.sub.1 is the organic residue of a lithium-organic compound, [A] is a segment formed by 1,4-addition of butadiene potentially substituted with a C1-C6 alkyl residue [A'] is a segment formed by vinyl addition of butadiene potentially substituted with a C1-C6 alkyl residue and n+m stands for an integer of from 7 to 3,000, with (meth)acrylic ester monomers of formula II ##STR2## wherein R' is hydrogen or methyl, and R.sub.2 is an alkyl residue with 1 to 26 carbon atoms.
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