| http://www.w3.org/ns/prov#value | - wherein R is a C6 to C25 and preferably C8 to C20 alkyl or an alkylaryl such as benzene, toluene or xylene having attached thereto a C5 to C22 and preferably a C7 to C18 alkyl group, R' is ethylene or a mixture of ethylene and higher molecular weight alkylene with relatively more ethylene than higher molecular weight alkylene, n is a number including fractional numbers from 1 to 20 and preferably
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