| http://www.w3.org/ns/prov#value | - and mixtures thereof, wherein n, x, y, and z are about 1 or greater, preferably about 1 to about 20, wherein R is an alkyl group having about 1 to about 20 carbon atoms, preferably about 1 to about 12 carbon atoms, a phenyl group; a cyclic group; or mixtures thereof, wherein R1 and R2 are alkylene groups having about 1 to about 20 carbon atoms, preferably about 1 to about 12 carbon atoms, phenylen
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