Inhibition of styrene polymerization by β-nitrostyrene.: A novel inhibition mechanism

被引：5
|
作者：
Encinas, MV
Lissi, EA
Norambuena, E
机构：
[1] Univ Santiago Chile, Fac Quim & Biol, Dept Ciencias Quim, Santiago, Chile
[2] Univ Metropolitana, Dept Quim, Santiago, Chile
来源：
MACROMOLECULES | 1998年 / 31卷 / 16期
关键词：
D O I：
10.1021/ma9712965
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
The AIBN-initiated polymerization of beta-nitrostyrene, as well as its copolymerization with styrene, is negligible. Millimolar concentrations of nitro compound lead to a notable decrease of the polymerization rate of styrene and the molecular weight of the produced polymers. These results, together with the NMR analysis of the polymers, show that beta-nitrostyrene acts as a strong inhibitor of styrene polymerization. A mechanism that involves the release of NO2 is proposed to explain the behavior of beta-nitrostyrene as inhibitor.
引用
收藏
页码：5171 / 5174
页数：4
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