| http://www.w3.org/ns/prov#value | - Z--(CH.sub.2CH.sub.2O).sub.n--CH.sub.2CH.sub.2--, where n ranges from about 3 to about 4000, or from about 10 to about 4000, and Z is or includes a functional group such as hydroxy, amino, ester, carbonate, aldehyde, alkenyl, acrylate, methacrylate,
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