다양한 산 존재 하에서 스타이렌의 NMP 중합에 있어서의 반응속도 연구

초록

Nitroxide-mediated polymerization, one of the controlled/“living” free radical polymerizations, is a useful technique to synthesis polymers having well-controlled molecular structures. However, the rate of polymerization is significantly reduced in the presence of TEMPO due to the reversible activation and deactivation process during the polymerization. Therefore, the polymerization rate-acceleration while maintaining the living behavior has been an obstacle to solve in TEMPO-mediated system. In this study, various acids including ethansulfonic acid, methansulfonic acid, 4,4'-sulfonyldibenzoic acid, diphenylacetic acid, ρ-toluenesulfonic acid are employed as the rate-acceleration agents, and their polymerization characteristics are investigated.