prov:value
| - Said polyolefins include, for instance, polymers and copolymers of 1-olefins such as ethylene, propylene, 1-butene, 1-pentene, 3-methyl-1-butene, 1-hexene, 4-methyl-1-pentene, 1-heptene, and 1-octene, or copolymers of these 1-olefins with a small amount of other polymerizable monomers such as vinyl acetate, acrylic acid, methacrylic acid, methyl acrylate, or methyl methacrylate, or graft copolymer
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