Ultraviolet radiation stabilized coated polycarbonate article

Details Ultraviolet radiation stabilized coated polycarbonate article Ultraviolet radiation stabilized coated polycarbonate article

1981-04-10

1983-10-18

Lesmes, George F.

Stock material or miscellaneous articles

Composite

Of polycarbonate

428447, 428911, 428331, 427160, B32B 2736, B32B 904, B05B 500

Patent

active

044105940

ABSTRACT:
A coated ultraviolet radiation stabilized polycarbonate article having improved abrasion, mar, scratch, and chemical solvent resistance comprising a polycarbonate article with its surface layers impregnated with an ultraviolet radiation absorbing compound having at least one surface thereof coated with (i) an adhesion promoting primer layer comprised of a thermoset acrylic polymer; and (ii) a top coat disposed on said primer layer comprised of a colloidal silica filled thermoset organopolysiloxane.

REFERENCES:
patent: 3309220 (1967-03-01), Osteen
patent: 4284685 (1981-08-01), Olson et al.

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