| http://www.w3.org/ns/prov#value | - As used herein and unless otherwise indicated, a polymer, such as the second material, is ???soluble??? in a solvent if, when 1 g of the polymer and 100 g of the solvent are brought into contact at atmospheric pressure and from about 20??? C. to about 70??? C., e.g., at 25??? C., optionally with stirring, no solid polymer residue is visible to the eye after about 4 hours.
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