prov:value
| - Polyolefins that are useful according to the invention include, for example, polyalkylenes such as polyethylene, polypropylene, polybutene, polyisoprene, polystyrene, polypentene, polymethylpentene, polybutadiene, polychloroprene, polyvinylchloride, polyvinylidene chloride, polyacrylonitrile, and the like, or a copolymer thereof, or a polyester, polyamide or polyimide such as polyvinylacetate, pol
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