Abstract of the DisclosureA material formed by the reaction of (1) apoly-2-hydroxyalkyl derivative of a polyol having atleast five hydroxyl groups, with at least three, andpreferably nearly all, of said hydroxyl groups beingsubstituted with one or more 2-hydroxyalkyl groups and(2) a polyglycidyl ether of a polyol, preferably a di-or triglycidyl ether of a polyoxyalkylene diol or triol.These materials have surfactant and defoaming abilities,and are useful in hard surface cleaning, textile andpaper applications, and as defoaming agents. Thecompounds are especially useful as defoaming agent forglycol based antifreeze mixtures, and such antifreezemixtures are also provided.
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