COATED AND ULTRAVIOLET RADIATION STABILIZED POLYCARBONATE ARTICLE.

摘要

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.