| http://www.w3.org/ns/prov#value | - The water-insoluble copolymers which can be employed as blends with the vinyl lactam polymer or copolymer in the compositions of the present invention include water-insoluble copolymers of a hydrophobic water-insoluble ethylenically unsaturated monomer such as alkyl esters of acrylic or methacrylic acid in which the alkyl group has from 1 to 16 carbon atoms, styrene, acrylonitrile, vinyl acetate,
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