Coated and ultraviolet radiation stabilized polycarbonate articl

Details Coated and ultraviolet radiation stabilized polycarbonate articl Coated and ultraviolet radiation stabilized polycarbonate articl

1981-04-13

1983-09-13

Herbert, Jr., Thomas J.

Stock material or miscellaneous articles

Composite

Of polycarbonate

10628712, 427160, 428331, 4284242, 428451, B32B 2736

Patent

active

044042574

ABSTRACT:
A coated polycarbonate article having improved resistance to degradation by ultraviolet radiation, abrasion and attack by chemical solvents comprising a polycarbonate resin article with its surface layers impregnated with an ultraviolet radiation absorbing compound and having deposited on said impregnated surface a coating comprised of (i) a thermoplastic acrylic polymer containing primer layer; and (ii) a top coated disposed on said primer layer containing a colloidal silica filled thermoset organopolysiloxane.

REFERENCES:
patent: 3309220 (1967-03-01), Osteen
patent: 3582398 (1971-06-01), Ringler
patent: 3617330 (1971-11-01), Peilstocker
patent: 3986997 (1976-10-01), Clark
patent: 4027073 (1977-05-01), Clark
patent: 4146658 (1979-03-01), Humphrey
patent: 4159206 (1979-06-01), Armbruster et al.
patent: 4210699 (1980-07-01), Schroeter et al.
patent: 4224378 (1980-09-01), Schroeter et al.
patent: 4239798 (1980-12-01), Schroeter et al.
patent: 4243720 (1981-01-01), Schroeter et al.

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