Controlled radical polymerization of styrene in the presence of different copper complexes and organic halides

被引：0
|
作者：
Cheng, GL [1 ]
Hu, CP [1 ]
Ying, SK [1 ]
机构：
[1] E China Univ Sci & Technol, Lab Living Polymerizat, Shanghai 200237, Peoples R China
来源：
CHEMICAL RESEARCH IN CHINESE UNIVERSITIES | 1999年 / 15卷 / 04期
关键词：
ATRP; 'living'/controlled radical polymerization; 1,10-phenanthroline; 4,7-diphenyl-1,10-phenanthroline; cuprous halides; styrene;
D O I：
暂无
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The polymerization behaviors of Styrene (Sr) in the presence of CuX/L [X=Cl or Br; L = 2, 2'-bipyridine (bpy), 1,10-phenanthroline (phen) or 4,7-diphenyl-1,10-phenanthroline (DPP)] and R-X (R = trichloromethyl, benzyl or allyl; X = Cl or Br) have been studied and examined. In a CuCl/bpy/RCl/St system, a bimodal GPC peak at the early stage of polymerization was observed, and a concept of multi-active species was proposed to explain this phenomenon. In a CuCl/phen (DPP)/RCl/St system, the M-n of polystyrene (PS) increased linearly with St conversion and In [M](o)/[M] also increased linearly with time, indicating the 'living' nature of this system. Furthermore, the stability of the propagating active species in a CuBr/phen/RBr/St system is higher than that in the CuBr/phen/RBr/St system.
引用
收藏
页码：358 / 363
页数：6
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