| http://www.w3.org/ns/prov#value | - Wherein X and Z are end blocking agents comprising the structure chosen from the group consisting of CH3CH2CH2CH2???O-; CH3CH2CH2???O???; CH3CH2???O-; ZO???CH2CH2CH2CH2???O-; and XO???CH2CH2CH2CH2???O???; wherein X and Z are blocking groups; and n is an integer of from 1???20 and each R is independently selected from the group consisting of: an alkyl, an aryl, an alkenyl, an alcohol, a phenol, and
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