2-Propenoic acid, 2-methyl-, polymer with 3-(2,2-dimethyl-1-oxo-3-((1-oxo-2-propenyl)oxy)propoxy)-2,2-dimethylpropyl 2-propenoate, methyl 2-methyl-2-propenoate and octadecyl 2-methyl-2-propenoate, ammonium salt 76649-49-5