2-Propenoic acid,2-methyl-,polymers,polymer with 2-hydroxyethyl 2-methyl-2-propenoate and R,R'-[(1-methylethylidene)di-4,1-phenylene] bis[ö-[(2-methyl-1-oxo-2-propenyl)oxy]- poly(oxy-1,2-ethanediyl)]
2-Propenoic acid,2-methyl-,polymers,polymer with 2-hydroxyethyl 2-methyl-2-propenoate and R,R'-[(1-methylethylidene)di-4,1-phenylene] bis[ö-[(2-methyl-1-oxo-2-propenyl)oxy]- poly(oxy-1,2-ethanediyl)]
