Silicone-containing polymers of ethylenically unsaturated monomers
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United States of America Patent
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Issued Date -
Jan 22, 2004
app pub date -
May 30, 2003
filing date -
Jul 19, 2002
priority date (Note) -
Abandoned
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Abstract
Silicone-containing addition polymers are obtained by free-radically initiated polymerization of ethylenically unsaturated monomers, wherein the polymerization is initiated using an organopolysiloxane which contains at least one peroxide group --OOR' in which R' is a hydrogen atom, or a monovalent C.sub.1 to C.sub.18 hydrocarbon radical or C.sub.1 to C.sub.18 acyl radical each of which may be substituted by cyano-, fluoro-, chloro-, bromo- or organopolysiloxane and each of which may be interrupted by divalent radicals attached on both sides to carbon atoms and selected from the group consisting of --O--, --COO--, --OOC--, --CONR.sup.3--, --NR.sup.3CO--, and --CO--, where R.sup.3 is hydrogen or an optionally cyano-, fluoro-, chloro- or bromo-substituted C.sub.1 to C.sub.10 hydrocarbon radical.
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