Compositions containing alpha-cyanocinnamate ultraviolet-absorbing stabilizers substituted by an aliphatic hydroxyl group

摘要

Alpha-cyanocinnamate ultraviolet-absorbing stabilizers of the formula <IMAGE> Where T is alkyl of 4 to 14 carbon atoms, and R4 is alkyl of 1 to 4 carbon atoms, are particularly resistant to loss during weathring of outdoor thermoset or thermoplastic coating systems while exhibiting good stabilization efficacy and compatibility in said systems.