2-Propenamide, N-(dimethylamino)methyl-, polymer with 2-propenamide;2-Propenamide, N-[(dimethylamino)methyl]-, polymer with 2-propenamide Poly (acrylamide-N-(dimethylaminomethyl)-acrylamide) n-[(dimethylamino)methyl]-2-propenamid polymer with 2-propenamide