| http://www.w3.org/ns/prov#value | - roups or can be introduced by functional monomers such as acrylic acid, maleic acid, itaconic acid, maleic anhydride, hydroxyethyl or hydroxypropyl acrylate or methacrylate, vinyl pyrrolidone, vinyl phosphate, hydrolyzed vinyl acetate, vinyl pyridine, styrene sulfonate and the like, either as comonomers or by grafting or by other methods.
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