prov:value
| - Illustrative of such useful polymers are, unsaturated olefins such aS polyvinyl alcohol, polyacrylates, polypropylene, polymethacrylates, polyvinyl chloride, polyethylene, and the like; polyethers; polyesters such as polyethylene terephthalate, polybutylene terephthalate and the like; polyamides such as nylon-11, nylon-12, nylon-6, nylon-66 and the like; polysulfones; polyphenylene oxides; cellulo
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