Novel silicone/polylactone graft copolymer
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United States of America Patent
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Jan 13, 1987
Grant Date -
N/A
app pub date -
May 30, 1985
filing date -
May 30, 1984
priority date (Note) -
Expired
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Abstract
Novel silicone/polylactone graft copolymers, well suited as polymer composition additives, especially those destined for biomedical applications, have the average general formula: ##STR1## in which p is an integer or decimal ranging from 1.5 to 6, q is an integer or decimal ranging from 0 to 20, A is a divalent hydrocarbon having from 2 to 20 carbon atoms, n is an integer ranging from 3 to 12, m is an integer ranging from 2 to 25, the radicals R', which may be identical or different, are each hydrogen or C.sub.1 -C.sub.4 alkyl, and R is a hydrocarbon having up to 24 carbon atoms.
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