(C1-C22)-Alkyl 2-methyl-2-propenoate, ethylene, propylene, methyl methacrylate, 1-vinylpyrrolidone polymer 2-Propenoic acid, 2-methyl-, C1-22-alkyl esters, polymers with ethylene, Me methacrylate, propylene and vinylpyrrolidone 72624-04-5