Stock material or miscellaneous articles – Composite – Of polycarbonate
Patent
1979-05-24
1980-11-25
Robinson, Ellis P.
Stock material or miscellaneous articles
Composite
Of polycarbonate
20415913, 427 541, 427160, 427163, 427164, 427387, 428447, 428448, 428451, 428522, 526279, B32B 2736, B32B 2730, B32B 2708, G02B 108
Patent
active
042359546
ABSTRACT:
A coated polycarbonate article comprising a polycarbonate substrate having (i) a primer layer comprising a UV cured reaction product of a polyfunctional acrylic ester monomer and an organic silicon compound of the formula R.sup.3.sub.c SiX.sub.(4-c) wherein R.sup.3 is an organic moiety containing olefinic unsaturation, X is an alkoxy, acyloxy and aryloxy group, and c is an integer of from 1 to 3; and (ii) a thermoset organopolysiloxane coating on said UV cured primer layer.
A process for producing a coated polycarbonate article comprising (i) priming a polycarbonate substrate with a UV curable primer composition containing (a) a polyfunctional acrylic ester monomer, (b) an organic silicon compound of the formula R.sup.3.sub.c SiX.sub.(4-c), wherein R, X and c are as defined above; and (c) a UV photo initiator; (ii) UV curing said primer composition; (iii) applying an organopolysiloxane coating composition to the primed substrate; and (iv) curing the organopolysiloxane.
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General Electric Company
Mufatti William F.
Robinson Ellis P.
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