B - Operations – Transporting – 32 – B
Patent
B - Operations, Transporting
32
B
117/143
B32B 27/08 (2006.01)
Patent
CA 1196534
ABSTRACT OF THE DISCLOSURE A coated polycarbonate article, and a process for producing said article, having improved abrasion and chemical solvent resistance comprising a polycarbonate substrate having deposited thereon (i) a primer layer comprised of a thermoplastic acrylic polymer; and (ii) a top coat containg a thermoset organopolysiloxane disposed on said primer layer. The process for producing said coated polycarbonate article comprises (i), priming the surface of a polycarbonate substrate with a thermoplastic acrylic polymer by forming a thin film of said thermo- plastic acrylic polymer on the surface of said substrate, (ii) applying a top coating composition containing a further curable organopolysiloxane onto the primed substrate, and (iii) curing the further curable organopolysiloxane to form a hard, abrasion and chemical solvent resistant top coat which is tenaciously adhered to the polycarbonate substrate.
338034
Olson Daniel R.
Schroeter Siegfried H.
Company General Electric
Eckersley Raymond A.
LandOfFree
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