Illustrative polymerizable hydrophobic comonomers include the alkyl 2-alkenoates, the alkoxyalkyl 2-alkenoates, and the vinyl esters, such as alkyl acrylate, alkyl methacrylate, alkoxyalkyl methacrylate, alkoxyalkyl acrylate, poly(alkoxy)alkyl methacrylate, vinyl alkanoate, and the like.