Patent ID: 8492460

Claim:
A block copolymer comprising a hydrophilic polymer block D w , comprising a polymer segment D having formula 3: wherein: U 1 comprises a cycloalkyl substituted with at least one fluorine atom; Y 1 is —O—, —S—, —CO—, —SO 2 —, —C(CH 3 ) 2 —, —C(CF 3 ) 2 —, —P(O)(T 1 )—, —C(CH 3 )(T 1 )—, —P(O)(R 4 )—, diphenyl methylene, diphenyl silicon, fluorenyl, an alkylene, a bond directly to the next moiety, or R 1 , R 2 , and R 3 are each independently H, C 1-10 alkyl, C 6-18 aryl, C 6-18 aralkyl, SO 3 H, —SO 3 − M + , —COOH, —COO − M + , —PO 3 H 2 , —PO 3 H − M + , or —PO 3 2− M 2 + , —PO 3 2− M 2+ ; R 4 is H, C 1-10 alkyl, C 6-18 aryl, or C 6-18 aralkyl; T 1 comprises a component selected from the group consisting of substituents having fluorine atoms, —SO 3 H, —SO 3 − M + , —COOH, —COO − M + , —PO 3 H 2 , —PO 3 H − M + , —PO 3 2− M 2 + , and —PO 3 2− M 2+ and M is an alkali or alkaline-earth metal, ammonium, or alkylammonium; w is an integer greater than 1; i is an integer from 1 to 6; and q is an integer from 1 to 6.