C - Chemistry – Metallurgy – 08 – G
Patent
C - Chemistry, Metallurgy
08
G
402/15
C08G 77/42 (2006.01) C08G 18/67 (2006.01) C08G 18/83 (2006.01) C08G 77/26 (2006.01) C08G 77/455 (2006.01) C08K 5/14 (2006.01) C08L 75/16 (2006.01) C08L 83/10 (2006.01)
Patent
CA 1285688
A PROCESS FOR PREPARING ACRYLATE-FUNCTIONAL ORGANOPOLYSILOXANE-URETHANE COPOLYMERS Abstract of the Disclosure A process for preparing radiation polymerizable acrylate-functional organopolysiloxane-urethane copolymers by reacting aminofunctional polysiloxanes having at least one unit of the formula Image where R is a divalent radical selected from the group consisting of a saturated divalent hydrocarbon radical having up to 20 carbon atoms, a divalent hydrocarbonoxy radical in which the oxygen atom is in the form of an ether linkage and an unsaturated divalent hydrocarbon radical having from 2 to 20 carbon atoms, R1 is a monovalent hydrocarbon radical having from 1 to 20 carbon atoms, R2 is a radical selected from the group consisting of a monovalent hydrocarbon radical having from 1 to 20 carbon atoms and a radical of the formula CH2CH2X, where X is selected from the group consisting of COOR3, CONR3, CN and SO2R3, R3 is a monovalent hydrocarbon radical having from 1 to 20 carbon atoms, a is 0, 1 or 2, b is 1, 2, or 3, c is 1, 2, 3 or 4 and d is 0, 1, 2 or 3, with the proviso that c equals b-d+1, with acrylated urethane oligomers in the presence of a solvent.
546451
Griswold Roy M.
Vanderlaan Douglas G.
Bereskin & Parr
Wacker Silicones Corporation
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