Method of coating thermoplastic material and article produced thereby

Claim 1

THE METHOD WHICH COMPRISES APPLYING TO THE SURFACE OF A NORMALLY HARD, TOUGH, THERMOPLASTIC BODY COMPOSED OF A UNIFORM THERMOPLASTIC MIXTURE SELECTED FROM THE GROUP CONSISTING OF MIXTURE OF FROM 60 TO 90% OF A RESINOUS COPYOLYMER OF STYRENE AND ACRYLONITRILE, IN PROPORTIONS OFF FROM 50 TO 90% OF STYRENE AND FROM 50 TO 1% OF ACRYLONITRILE, AND FROM 40 TO 10% OF A RUBBERY COPOLYMER OF BUTADIENE AND ACRYLONITEILE, AND MIXTURES OF FROM 60 TO 90% OF A RESINOUS COPOLYMER OF STYRENE AND BUTADIENE, IN PROPORTIONS OF FROM 75 TO 95% OF STYRENE AND FROM 25 TO 5% OF BUTADIENE, AND FROM 40 TO 10% OF A RUBBERY COPOLYMER OF BUTADIENE AND STYRENE, A RELATIVELY THIN CONTINUOUS LAYER COMPRISING A RESINOUS COPOLYMER CONSISTING ESSENTIALLY OF FROM 30 TO 95% VINYL CHLORIDE AND FROM 70 TO 5% TRIFLUOROCHLORETHYLENE DISSOLVED IN A VOLATILE ORGANIC SOLVENT FOR THE LAST-NAMED RESINOUS COPOLYMER, AND EVAPORATING SAID SOLVENT TO FROM A THIN CONTINUOUS LAYER OF A RESINOUS COPOLYMER OF VINYL CHLORIDE AND TRIFLUOROCHLORETHYLENE TENACIOUSLY ADHERED TO THE SURFACE OF SAID BODY.