Poly(oxy-1,2-ethanediyl),.alpha.-(2-methyl-1-oxo-2-propenyl)-.omega.-hydroxy- ;POLY(ETHYLENE GLYCOL) METHACRYLATE, AVER AGE MN CA. 526;POLY(ETHYLENE GLYCOL) METHACRYLATE, AVER AGE MN CA. 360;Methacrylicacid,polyethyleneglycolmonoester ;ETHOXYLATEDHYDROXYETHYLMETHACRYLATE;α-(2-Methyl-1-oxo-2-propenyl)-ω-hydroxy-poly(oxy-1,2-ethanediyl);POLY(ETHYLENE GLYCOL) METHACRYLATE, AVERAGE 360;POLY(ETHYLENE GLYCOL) METHACRYLATE, AVERAGE 526