Journal of the Korean Applied Science and Technology (한국응용과학기술학회지)

The Korean Society of Applied Science and Technology (한국응용과학기술학회)
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The Kinetics of Radical Copolyerization of ${\alpha}$-Methylstyrene with Acrylonitrile in a CSTR

연속반응기에서 ${\alpha}$-Methylstyrene과 Acrylonitrile 라디칼 공중합 속도론

  • Kim, Nam-Seok (Dept. of Chemical Technology, Changwon National University) ;
  • Park, Keun-Ho (Dept. of Chemical Technology, Changwon National University)
  • 김남석 (창원대학교 회공시스템공학과) ;
  • 박근호 (창원대학교 회공시스템공학과)
  • Published : 2002.03.31
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Abstract

Copolymerization of ${\alpha}$-Methylstyrene(AMS) with Acrylonitrile(AN) was carried out with benzoylperoxide(BPO) as an initiator in toluene at $80^{\circ}C$ in a continuous stirred tank reactor. Reaction volume and residence time were 0.6 liters and 3 hours, respectively. The monomer reactivity ratios, $r_{AMS}$ and $r_{AN}$ determined by both the Kele$T{\"{u}}d\"{o}s$ method and the Fineman-Ross method were $r_{AMS}$=0.16(0.14), $r_{AN}$=0.04(0.06). The cross-termination factor ${\Phi}$ of the copolymer over the entire AMS composition ranged from 0.75 to 0.92. The ${\Phi}$ factors of poly(AMS-co-AN) were increased with increasing AMS content. The simulated conversions and copolymerization rates were compared with the experimental results. It was observed that the average time to reach dynamic steady-state was three times the residence time.

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References

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