Stock material or miscellaneous articles – Web or sheet containing structurally defined element or... – Including a second component containing structurally defined...
Patent
1979-02-15
1980-02-12
Robinson, Ellis P.
Stock material or miscellaneous articles
Web or sheet containing structurally defined element or...
Including a second component containing structurally defined...
20415913, 427 541, 427160, 427163, 427164, 427387, 428412, 428447, 428451, 428448, 526279, B32B 2730, B32B 2708, G02B 108
Patent
active
041884515
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.4.sub.c SiX.sub.4-c wherein R.sup.4 is an organic group 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 silica filled organopolysiloxane top 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.4.sub.c SiX.sub.4-c wherein R, X and c are as defined above, (c) a UV photoinitiator, and (d) resorcinol monobenzoate; (ii) UV curing said primer composition; (iii) applying a silica filled organopolysiloxane coating composition to the primed substrate; and (iv) curing the silica filled organopolysiloxane.
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General Electric Company
Kapustij Myron B.
Mufatti William F.
Robinson Ellis P.
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