| http://www.w3.org/ns/prov#value | - Also suitable are surfactants of the general structural formula ##STR3## wherein R is hydrogen or an alkyl group (such as methyl, ethyl, propyl, butyl, or the like), x is an integer of from about 8 to about 22, preferably from about 12 to about 18, y is an integer of from 0 to about 14, preferably from about 2 to about 8, and A is a terminal functional group.
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