| http://www.w3.org/ns/prov#value | - In embodiments, the polyamide has the following formula: wherein n is a number of from about 50 to about 1,000, or from about 150 to about 500, or about 270, and R is selected from the group consisting of hydrogen; alkyl having from about 1 to about 20 carbons, or from about 1 to about 10 carbons, such as methyl, ethyl, propyl and the like; alkoxy having from about 1 to about 20 carbons, or from a
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