POLYMERIZATION OF ISOPRENE IN ETHYLACETATE IN THE PRESENCE OF HYDROGEN PEROXIDE

被引：0
|
作者：
Boiko, Vitaly [1 ]
机构：
[1] Natl Acad Sci Ukraine, Inst Macromol Chem, 48 Kharkivske Sh, UA-02160 Kiev, Ukraine
来源：
CHEMISTRY & CHEMICAL TECHNOLOGY | 2010年 / 4卷 / 01期
关键词：
polymerization; order of reaction; isoprene; influence of solvent; hydrogen peroxide; ethylacetate; complex formation;
D O I：
暂无
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Orders by monomer and initiator at polymerization of isoprene in solution of ethylacetate under the action of hydrogen peroxide have been determined. The order by monomer is equal to 1.49 +/- 0.03, by initiator - 0.46 +/- 0.05. Unlike polymerization in solution of isopropyl alcohol, a process in ethylacetate proceeds in homogeneous solution. The value of order by monomer differs from the one for ideal polymerization, pointing to the specific mechanism of polymerization in the given system, while the value of order by initiator points to the quadratic termination of macroradicals, typical for ideal polymerization. These data as well as the literature lead to the conclusion that initiation takes place through decomposition of monomer-initiator complex.
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页码：57 / 60
页数：4
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