High solids vinyl dispersions

Claim 1

A FLUID RESIN DISPERSION, CAPABLE OF BEING SPREAD ON A SURFACE AND THEREAFTER FUSED BY HEATING INTO A HARD, STABLE, CONTINUOUS, TOUGH AND ABRASION-RESISTANT COATING, COMPRISING RESIN, PLASTICIZER, AND VOLTAILE LIQUID DISPERSANT COMPONENTS, SAID COMPONENTS CONSISTING OF (1) SOLID THERMOPLASTIC POLYVINYL RESIN HAVING AN AVERAGE MOLECULAR WEIGHT IN EXCESS OF 20,000 AND MADE FROM VINYL CHLORIDE IN MAJOR AMOUNT, (2) PLASTICIZER FOR SAID RESIN, AND (3) VOLATILE LIQUID DISPERSANT MATERIAL CONSISTING ESSENTIALLY OF MIXED AROMATIC ALKYL SUBSTITUTED POLYNUCLEAR HYDROCARBONS HAVING A COMPOSITE SPECIFIC GRAVITY OF ABOUT ONE, A MIXED ANILINE POINT OF ABOUT 26* TO ABOUT 30* C., AND A DISTILLATION RANGE OF ABOUT 150*C. TO ABOUT 450*C., THE PLASTICIZER COMPONENT (2) CONSTITUTING ABOUT 5% TO ABOUT 25% OF THE COMBINED WEIGHT OF THE RESIN AND PLASTICIZER COMPONENTS (1) AND (2), AND THE VOLATILE LIQUID DISPERSANT COMPONENT (3) CONSTITUTING ABOUT 35% TO ABOUT 55% OF THE TOTAL WEIGHT OF COMPONENTS (1), (2), AND (3), SAID COMPOSITION HAVING A VISCOSITY IN THE RANGE OF ABOUT 30 SECONDS TO ABOUT 300 SECONDS IN NO. 4 FORD CUP AT 80*F., BEING CAPABLE, WHEN BAKED AT 425* F. FOR 59 MINUTES, OF RELEASING MOST OF THE SAID MATERIAL (3) TO ATMOSPHERE.