Preferably the hydrophilic monomer has a pendent poly(alkylene oxide) group The first component polymer preferably comprises polymerized monomer units derived from of an ethylenically-unsaturated monomer having pendent poly(alkylene oxide) group of the formula: Z-Q-(CH(R1)???CH2???O)n???R2,???(I) wherein Z is a polymerizable ethylenically unsaturated moiety, R1 is a H or a C1 to C4 alkyl group, R2