Patent ID: 8067094

Claim:
A composite film comprising: a first film comprising at least one of a multilayer reflective optical film and a continuous/disperse phase reflective optical film; and a second film contiguous to said first film, the second film comprising a polymeric material comprising at least 2 repeat units of Formula I: wherein each R 1 is independently an alkyl, haloalkyl, aralkyl, alkenyl, aryl, or aryl substituted with an alkyl, alkoxy, or halo; each Y is independently an alkylene, aralkylene, or a combination thereof; G is a divalent residue equal to a diamine of formula R 3 HN-G-NHR 3 minus the two —NHR 3 groups; R 3 is hydrogen, alkyl, or taken together with G and to the nitrogen to which they are both attached form a heterocyclic group; n is independently an integer of 0 to 1500; each B is independently a covalent bond, an alkylene of 4-20 carbons, an aralkylene, an arylene, or a combination thereof; and p is an integer of 1 to 10.