Patent ID: 7297160

Claim:
A macromonomer having the formula wherein R 1 , R 2a , R 2b , R 2c , and R 2d are the same or different and are independently selected from the group consisting of unsubstituted and substituted C 6 -C 24 aromatic groups, saturated straight C 1 -C 10 hydrocarbons, unsaturated straight C 1 -C 10 hydrocarbons, saturated branched C 3 -C 10 hydrocarbons, unsaturated branched C 3 -C 10 hydrocarbons, saturated cyclic C 3 -C 10 hydrocarbons, unsaturated cyclic C 3 -C 10 hydrocarbons, and C 1 -C 10 alkyloxy substituents; R 3a , R 3b , R 4a , and R 4b are independently selected from the group consisting of unsubstituted and substituted C 6 -C 24 aromatic groups; D 1 , D 2 , D 3 , and D 4 are independently selected divalent linking groups; Q is a divalent group selected from the group consisting of divalent unsusbstituted hydrocarbon groups, substituted hydrocarbon groups, alkyleneoxy groups, and poly(alkyleneoxy) groups; at least a plurality of E groups is independently selected from the group consisting of unsubstituted and substituted pyrrolidone, hydroxyethyl group, ethoxyethanol group, ethoxymethoxy group, glyceryl group, amides, carboxylic acid, sulfonic acid, phosphonic acid, and alcohols; G and G′ are independently selected from the group consisting of polymerizable functional groups; t and w are integers; 2≦t≦500; and 0≦w≦100.