화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Journal of Industrial and Engineering Chemistry, Vol.21, 1098-1104, January, 2015
DOI10.1016/j.jiec.2014.05.020  Export Citation
Preparation of well-defined acid-cleavable branched polymers composed of methacrylates and acrylates
Hae-Sung Sohn, Dong-Gyun Kim, Aeri Lee, Sang-Ho Cha1, and Jong-Chan Lee†
  • Department of Chemical and Biological Engineering, and Institute of Chemical Processes, Seoul National University, Seoul 151-744, Republic of Korea
  • 1Department of Chemical Engineering, Kyonggi University, Suwon 443-760, Republic of Korea
E-mail:
Acid-cleavable branched polymers composed of a methacrylate and two acrylates were prepared through reversible addition-fragmentation chain transfer (RAFT) polymerization. The molecular weight of primary chains and the degree of branching of the polymers were controlled by the feed ratio of monomer/chain transfer agent (CTA) and brancher/CTA, respectively. Glass transition temperatures of the polymers increased as the degree of branching grew due to an increase in molecular weight. When the branched polymers were hydrolyzed, molecular weight and polydispersity index value were similar to those of linear polymer prepared by RAFT polymerization with the samemolar feed ratio of monomer/CTA.
Keywords:Living radical polymerization;RAFT;Branched polymer;Acid cleavable polymer
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