Addition Reaction of Glycidyl Methacrylate with Carbon Dioxide Using Quaternary Ammonium Salts as Catalys

4급 암모늄염 촉매에 의한 Glycidyl Methacrylate와 이산화탄소의 부가반응

  • Yang, J.G. (Dept. of Chem. Eng./RIIT, Pusan National University) ;
  • Moon, J.Y. (Dept. of Chem. Eng./RIIT, Pusan National University) ;
  • Jung, S.M. (Dept. of Chem. Eng./RIIT, Pusan National University) ;
  • Park, D.W. (Dept. of Chem. Eng./RIIT, Pusan National University) ;
  • Lee, J.K. (Dept. of Polymer Science and Eng./RIIT, Pusan National University)
  • 양정규 (부산대학교 공과대학 화학공학과/생산기술연구소) ;
  • 문정열 (부산대학교 공과대학 화학공학과/생산기술연구소) ;
  • 정성미 (부산대학교 공과대학 화학공학과/생산기술연구소) ;
  • 박대원 (부산대학교 공과대학 화학공학과/생산기술연구소) ;
  • 이진국 (부산대학교 공과대학 고분자공학과/생산기술연구소)
  • Received : 1996.08.14
  • Accepted : 1996.10.04
  • Published : 1996.12.10

Abstract

This study is related to the investigation of the characteristics of quaternary ammonium salt catalyst on the addition reaction of carbon dioxide and glycidyl methacrylate(GMA) to form(2-oxo-1,3-dioxolane-4-yl)methacrylate(DOMA). Among the salts tested, the ones with higher alkyl chain length and with more nucleophilic counter anion showed a higher catalytic activity. Mixed catalysts of NaI and 18-crown-6 showed a good yield of DOMA, but when they are used alone, they showed no catalytic activity. The DOMA monomer was obtained in low polar solvents, while poly(DOMA) could be directly synthesized in aprotic dipolar solvents. Kinetic studies carried out by measuring $CO_2$ pressure in a high pressure batch reactor showed that the reaction rate was first order to the concentration of GMA and $CO_2$ respectively. The rate constant(k) was 0.56L/mol hr and Henry's constant(H') of $CO_2$ in diglyme at $80^{\circ}C$ was $6.5{\times}10^{-4}mol/L{\cdot}kPa$.

Keywords

Acknowledgement

Supported by : 통상산업부

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