| http://www.w3.org/ns/prov#value | - Preferred branch chains or R groups for these polymer units include --R105 N???n or --R106 O--n, with R105 and R106 being an alkylene unit having about 1-10 carbon atoms per each hydrocarbon radical and n is an integer up to about 50,000 and preferably up to about 2,000.
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