Coating processes – Coating has x-ray – ultraviolet – or infrared properties
Patent
1979-08-17
1981-11-03
Beck, Shrive P.
Coating processes
Coating has x-ray, ultraviolet, or infrared properties
427164, 427387, 4274071, 428412, 428447, 428451, 428500, 428520, 428522, B05D 138, B05D 500
Patent
active
042986320
ABSTRACT:
A non-opaque coated polycarbonate shaped article, and a process for producing the same, having improved abrasion and chemical solvent resistance comprising a polycarbonate substrate having thereon (i) a primer layer comprised of a thermoplastic acrylic polymer containing functional groups; and (ii) a top coat containing a thermoset organopolysiloxane on said primer layer.
The process for producing said coated polycarbonate article comprises the steps of: (i) priming the surface of a polycarbonate substrate by forming a primer layer comprised of a thermoplastic acrylic polymer containing functional groups; (ii) applying a top coat 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 and durably adhered to the polycarbonate substrate.
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Olson Daniel R.
Schroeter Siegfried H.
Beck Shrive P.
General Electric Company
Mufatti William F.
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