高等学校化学学报 ›› 1999, Vol. 20 ›› Issue (4): 656.

• 论文 • 上一篇    下一篇

有电荷转移络合物参与的共聚体系竞聚率

单国荣, 翁志学, 黄志明, 杜淼, 潘祖仁   

  1. 浙江大学化工系、高分子科学与工程研究所, 杭州 310027
  • 收稿日期:1998-08-24 出版日期:1999-04-24 发布日期:1999-04-24
  • 通讯作者: 单国荣,男,30岁,讲师,博士.
  • 作者简介:单国荣,男,30岁,讲师,博士.
  • 基金资助:

    教育部博士学科点专项科研基金(批准号:9533504)资助课题

Reactivity Ratios for Copolymerization with theParticipation of Chargetransfer Complex

SHAN Guo-Rong, WENG Zhi-Xue, HUANG Zhi-Ming, DU Miao, PAN Zu-Ren   

  1. Department of Chemical Engineering, Institute of Polymer Science and Engineering, Zhejiang University, Hangzhou, 310027
  • Received:1998-08-24 Online:1999-04-24 Published:1999-04-24

摘要: 从有电荷转移络合物(CTC)参与的共聚体系增长基元反应出发,提出一种有CTC参与的共聚体系竞聚率的求法,从中得到4个竞聚率、自由单体和CTC的相对活性等信息.将该法运用在苯乙烯(St)/N-苯基马来酰亚胺(PMI)共聚体系中,得到r12=0.03370,r21=0.01157,r1C=0.002972和r2C=0.003379,自由单体和CTC的相对活性k1C/k12=11.3375,k2C/k21=3.4238.并与Mayo-Lewis方法求得的竞聚率比较.

关键词: 电荷转移络合物, 共聚合, 竞聚率

Abstract: On the basis of the propagation elementary reactions for copolymerization with the participation of chargetransfer complex(CTC), a measuring method of reactivity ratios was presented. Four reactivity ratios, the relative reactivity of free monomer and chargetransfer complex could be obtained. They were r12=0.03370, r21=0.01157, r1C=0.002972, r2C=0.003379, and k1C/k12=11.3375, k2C/k21=3.4238 for styrene/N-phenylmaleimide copolymerization. The result was compared with that measured by MayoLewis model.

Key words: Chargetransfer complex, Copolymerization, Reactivity ratio

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