prov:value
| - Preferable thermoplastic resins include polymers and copolymers of olefins such as ethylene, propylene, butene, pentene, hexene and the like; polymers and copolymers of vinyl compounds such as vinyl chloride, vinylidene chloride, vinylacetate, vinyl alcohol, acrylic ester, methacrylic ester, acrylonitrile, styrene and the like; polymers of diolefins such as butadiene, isoprene and the like; copoly
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