| http://www.w3.org/ns/prov#value | - The fatty acid vinyl ester comonomer usable for the principal copolymerization component of the cationic copolymer in the resinous binder is preferably selected from the group consisting of vinyl esters of fatty acids having 1 to 24 carbon atoms, for example, vinyl formate, vinyl acetate, vinyl monochloroacetate, vinyl propionate and other vinyl esters of fatty acids having 4 to 24 carbon atoms, f
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