화학공학소재연구정보센터
학회 한국고분자학회
학술대회 2021년 가을 (10/20 ~ 10/22, 경주컨벤션센터)
권호 46권 2호
발표분야 고분자합성
제목 RAFT Copolymerization of N-vinylpyrrolidone and Vinyl Acetate: Kinetics, Control and Copolymer Composition
초록 Well-defined amphiphilic statistical copolymers based on N-vinylpyrrolidone (NVP) and vinyl acetate (VAc) were successfully synthesized by Reversible Addition-Fragmentation chain Transfer polymerization (RAFT) with controlled MW and MWD mediated by methyl (ethoxycarbonothioyl)sulfanyl propionate (MESP) as chain transfer agent at 70 oC. The monomer reactivity ratios for NVP and VAc have been determined using the Fineman-Ross, inverted Fineman-Ross, Kelen-Tüdos and extended Kelen-Tüdos linear graphical methods. Structural parameters of the copolymers were obtained by calculating the dyad sequence fractions and the mean sequence length. All the methods are in agreement that the probability for the incorporation of NVP units is much greater than for that of VAc units.
저자 조준희, 곽영제
소속 숭실대
키워드 RAFT copolymerization; Kinetics
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