高等学校化学学报

高等学校化学学报 ›› 2000, Vol. 21 ›› Issue (10): 1613.

• 研究简报 • 上一篇    

原子转移自由基聚合合成耐热性共聚物

蒋序林, 颜德岳, 刘万里   

  1. 上海交通大学化学化工学院, 上海 200240
  • 收稿日期:1999-09-01 出版日期:2000-10-24 发布日期:2000-10-24
  • 通讯作者: 颜德岳(1937年出生),男,教授,博士生导师,主要从事聚合反应动力学、高分子合成、高分子物理等领域的研究.
  • 基金资助:

    国家自然科学基金(批准号:59673002)资助

Synthesis of Heat-resistant Copolymers by Atom Transfer Radical Polymerization

JIANG Xu-Lin, YAN De-Yue, LIU Wan-Li   

  1. College of Chemistry and Chemical Technology, Shanghai Jiaotong University, Shanghai 200240, China
  • Received:1999-09-01 Online:2000-10-24 Published:2000-10-24

PDF (PC)

被引次数

25

关键词: 原子转移自由基聚合, 活性自由基聚合, N-取代马来酰亚胺, 耐热性, 共聚合

Abstract: Atom transfer radical copolymerization(ATRP) of styrene(St) and N-cyclohexylmaleimide(NCMI) with the CuBr/bpy catalyst in anisole, initiated by 1-phenylethyl bromide(1-PEBr) or tetra-(bromomethyl)benzene(TBMB), afforded well defined copolymer with predetermined molecular weights and low polydispersities, Mw/Mn<1.5. Other monomer pairs such as methyl methacrylate(MMA)/NCMI, St/N-phenylmaleimide, MMA/ N-phenylmaleimide were studied, too. The influences of several factors, such as temperature, solvent and monomer's ratio on the copolymerization with the CuBr/bpy catalyst system were subsequently investigated. The apparent activation energy of St(MMA)and NCMI was deduced from the kinetics figure of different temperatures. Using TBMBas the initiator produced four-armed star copolymer. The heat resistance of the resultant copolymer has been improved by increasing the NCMI.

Key words: ATRP, “Living”/controlled radical polymerization, N-Substituted maleimide, Heat-resistance, Copolymerization

中图分类号: 

TrendMD: