| http://www.w3.org/ns/prov#value | - These materials have the general formula R(X).sub.n OR' wherein R is a C10-30 alkyl group, X is --OCH.sub.2 CH.sub.2 -- (i.e. derived from ethylene glycol or oxide) or --OCH.sub.2 CHCH.sub.3 -- (i.e. derived from propylene glycol oroxide), and n is an integer from about 6 to about 100 and R' is H or a C10-30 alkyl group.
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