| http://www.w3.org/ns/prov#value | - wherein Y is an alkali metal for the first polyester, such as sodium; X is an alkylene, and n and m represent the number of segments, and wherein each is, for example, a number of about 5 to about 5,000, and more specifically, from about 1,000 to about 2,000, and wherein the weight average molecular weight of the polyester is, for example, from about 2,000 grams per mole to about 100,000 grams per
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