화학공학소재연구정보센터
학회 한국고분자학회
학술대회 2013년 가을 (10/11 ~ 10/12, 창원컨벤션센터)
권호 38권 2호
발표분야 고분자합성
제목 One-pot synthesis of poly(ε-caprolactone)-b-poly(vinyl alcohol) block copolymers using a dual initiator for RAFT polymerization and ROP
초록 An efficient one-pot procedure for the synthesis of amphiphilic poly(ε-caprolactone)-b-poly(vinyl alcohol) (PCL-b-PVA) block copolymers using a hydroxyl-functionalized RAFT agent, 2-hydroxyethyl 2-(ethoxycarbonothioylthio) propanoate, as a dual initiator for RAFT polymerization and ROP was successfully developed. The PCL block was first polymerized by the ROP of ε-caprolactone (CL) using diphenyl phosphate as a catalyst, followed by the RAFT polymerization of vinyl chloroacetate (VClAc) after quenching the ROP of CL with 4-dimethyamino pyridine. The resulting PCL-b-PVClAc block copolymers were directly aminolyzed to PCL-b-PVA block copolymers in the same pot. The resulting PCL-b-PVA block copolymers showed very narrow molecular weight distributions.
저자 유영창, 신상진, 고광덕, 육지호
소속 인하대
키워드 dual initiator; RAFT; ROP; PVA; PCL
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