| 摘要 |
PROBLEM TO BE SOLVED: To provide a novel crystalline triblock copolymer which is used as a molding material of a simple substance and as a compatibilizer, surfactant, modifier and mechanical property improver of other polymers or the like. SOLUTION: The copolymer is represented by a structural formula A-B-A [A is a crystalline isotactic polypropylene block; B is an amorphous elastomer block].
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