USE OF POLYMERS AS BIOCIDE

摘要

The use of polymers (I) as biocides is new, where (I) comprises: (a) 0.1-100 mol. % vinylamine (VA) or ethyleneimine units; (b) 0-99.9 mol.% units derived from at least one monomer selected from N-vinylcarboxamides of formula CH2=CH-N(R1)-CO-R2 (II), vinyl formate, vinyl acetate, vinyl propionate, vinyl alcohol, (1-6C) alkyl-vinyl ethers, monoethylenically unsaturated 3-8C carboxylic acids, or their esters, nitriles, amides and anhydrides, N-vinylurea, N-vinylimidazoles and N-vinylimidazolines; and (c) 0-5 mol.% units derived from monomers with at least two ethylenically unsaturated double bonds. The sum of (a)-(c) is 100 mol.%. R1, R2 = H or 1-6C alkyl.