| abstract |
A composition comprising a polymer prepared by: reacting (a) at least one diisocyanate, polyisocyanate, or mixture thereof, having isocyanate groups, and (b) at least one fluorinated compound selected from the formula (I): n R f 1 -L-X (I) n wherein n R f 1 is a monovalent, partially or fully fluorinated, linear or branched, alkyl radical having 2 to 100 carbon atoms; optionally interrupted by 1 to 50 oxygen atoms; wherein the ratio of carbon atoms to oxygen atoms is at least 2:1 and no oxygen atoms are bonded to each other; n L is a bond or a linear or branched divalent linking group having 1 15 to 20 carbon atoms, said linking group optionally interrupted by 1 to 4 hetero-radicals selected from the group consisting or —O—, —NR—, —S—, —SO—, —SO 2 —, —N(R)C(O)— wherein R is H or C 1 -C 6 alkyl, and said linking group optionally substituted with CH 2 Cl; n X is an isocyanate-reactive group selected from the group consisting of —OH, —N(R)H, and —SH wherein R is H or C 1 -C 6 alkyl; n and thereafter reacting with (c) water and (d) an isocyanate-reactive non-fluorinated particulate component. |