Patent ID: 7297409
Filing Date: 2007-11-20
Classification: B32B,C08K,Y02P,Y10T

Abstract:
1. A layered composition comprising: an upper layer consisting essentially of: an intermediate layer consisting essentially of a polymer system of a cycloaliphatic polyester and optionally one or more materials selected from the group consisting of TiO2, dyes, pigments and special effects additives; and a polymeric substrate, wherein the intermediate layer is disposed between and in intimate contact with the upper layer and the polymeric substrate, wherein said cycloaliphatic polyester in the upper and intermediate layers has recurring units of the formula: wherein R wherein n is on average greater than 9, and less than 12, by the formula: wherein n is on average greater than 4, and less than 7, by the formula: or a mixture comprising at least one of the foregoing hindered amine light stabilizers, and wherein the cycloaliphatic polyester in the upper and intermediate layers is poly-1,4-cyclohexane-dimethanol-1,4-cyclohexanedicarboxylate.