화학공학소재연구정보센터
학회 한국고분자학회
학술대회 2019년 가을 (10/09 ~ 10/11, 제주컨벤션센터)
권호 44권 2호
발표분야 고분자합성
제목 Design of macro RAFT agent for RAFT miniemulsion polymerization using redox initiator
초록 Reversible addition-fragmentation chain transfer (RAFT) miniemulsion polymerization (MEP) has been studied for the designing of surface-functionalized particles. In RAFT MEP, a thermal initiator is typically used as the source of radicals. However, few reports have been published on RAFT MEP using redox initiator. Redox initiator has high potential in production cost and encapsulation of temperature sensitive materials since it can initiate the polymerization at low temperature. We reveal that the design of macro-RAFT agent has crucial effect on control of redox initiated RAFT MEP. To know the effect of macro-RAFT agent, we synthesized two macro-RAFT agent, Poly(poly(ethylene glycol) methyl ether methacrylate) (PPEGMA) and PPEGMA-b-polystyrene (PS). When PPEGMA-b-PS was used, PS particles have narrow molecular weight distribution (MWD). However, when PPEGMA was used, it has broad MWD since PPEGMA get partitioned at the aqueous phase, droplet, and the interface of the droplet.
저자 박미림1, 김경호1, 정진영2, 강유영2, 전흥배2, 백현종1
소속 1부산대, 2광운대
키워드 RAFT miniemulsion polymerization; redox initiator; macro RAFT agent
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