65899-76-5 Acrylonitrile, ethyl acrylate, dimethylaminoethyl methacrylate epichlorohydrin polymer Oxiranemethanaminium, N,N-dimethyl-N-(2-((2-methyl-1-oxo-2-propenyl)oxy)ethyl)-, chloride, polymer with ethyl 2-propenoate and 2-propenenitrile