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PROBLEM TO BE SOLVED : To provide a novel block copolymer containing a polyallylene ethynylene vinylene block.
SOLUTION : Disclosed is a block copolymer containing a polyallylene ethynylene vinylene block and a polar polymer block. The polyallylene ethynylene vinylene block selectively contains a micro structure represented by general formula (I), (II) or (III). Also disclosed is a method for producing the copolymer comprising a step of block copolymerization wherein living polymerization is performed using a polymerization catalyst containing a rare earth metal complex.
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