ACRYLATES/METHOXY PEG-90 METHACRYLATE CROSSPOLYMER

2-Propenoic acid, 2-methyl-, 1,1'-(1,2-ethanediyl) ester, polymer with butyl 2-methyl-2-propenoate, methyl 2-methyl-2-propenoate and .alpha.-(2-methyl-1-oxo-2-propen-1-yl)-.omega.-methoxypoly(oxy-1,2-ethanediyl)