Fatty Alcohol Polyglycol Ether Sulfates as Emulsifiers for Emulsion Polymerization

摘要

The invention is directed to an emulsifier for emulsion polymerization. The emulsifier is obtained by alkoxylating a mixture of (a) 20% to 80% by weight of a fatty alcohol containing 8 to 22 carbon atoms and (b) 20% to 80% by weight of a ring opening product of a 1,2-epoxyalkane containing 8 to 18 carbon atoms with ethylene glycol, with from 5 to 100 mol ethylene oxide per equivalent of free OH groups in the sums of (a) and (b) and sulfation of the intermediate product obtained to form the emulsifier. The emulsifier provides a polymer similar with low coagulum and high stability.