Protective varnish with nonadhesive outer surface

摘要

Protective varnish with nonadhesive outer surface containing, in synergistic quantity: (a) an aliphatic polyurethane resin of low viscosity; (b) an acrylic polymer in solution with a molecular weight of approximately 100,000; (c) a modified silicone of molecular weight between 2500 and 4500 and of formula: <IMAGE> the weight ratio of (a) over (b): (c) being approximately 90:1:0.5s