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Synthesis of Polymers 1 to 6 

Base polymers were prepared by combining suitable monomers, effecting copolymerization reaction thereof in tetrahydrofuran solvent, pouring the reaction solution into methanol for crystallization, repeatedly washing with hexane, isolation, and drying. The resulting polymers, des› ignated Polymers 1 to 6, were analyzed for composition by $^{1}$H-NMR, and for Mw and Mw/Mn by GPC. 

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## Synthesis Example 

