R(OC2H4)y(OC4H9)xOH where R is a C8-18 alkyl group and y is from about 3.5 to 10 and x is an integer from about 0.5 to 1.5; benzyl ethers of polyoxyethylene and condensates of alkyl phenols having the formula R(C6H4)(OC2H4)xOCH2C6H5 wherein R is a C6-20 alkyl group and x is an integer of from 5 to 40; and alkyl phenoxy polyoxyethylene ethanols having the formula R(C6H4) (OC2H4)xOH wherein R is a C