DECOMPOSITION KINETICS OF FREE-RADICAL INITIATORS IN MICELLAR SOLUTIONS

被引：4

作者：

KARTASHEVA, ZS ^{[1
]}

KASAIKINA, OT ^{[1
]}

机构：

[1] RUSSIAN ACAD SCI,NN SEMENOV CHEM PHYS INST,MOSCOW 117977,RUSSIA

来源：

RUSSIAN CHEMICAL BULLETIN | 1994年 / 43卷 / 10期

关键词：

INITIATOR DECOMPOSITION; AZO-BIS-ISOBUTYRONITRILE; DICYCLOHEXYL PEROXYDICARBONATE; SODIUM DODECYL-SULFATE; CETYLTRIMETHYLAMMONIUM BROMIDE; LECITHIN; MICELLES; INHIBITOR TECHNIQUE;

D O I：

10.1007/BF00703480

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The kinetic parameters of thermal decomposition of initiators, azo-bis-isobutyronitrile (AIBN) and dicyclohexyl peroxydicarbonate (PC), have been measured in aqueous micellar solutions of sodium dodecylsulfate (SDS), cetyltrimethylammonium bromide (CTAB), and egg lecithin. The inhibitor technique and accepters of free radicals have been used to estimate the efficiency of the initiation during AIBN decomposition. The rate constant of PC decomposition in a SDS micellar solution is the same as in n-decane. CTAB and lecithin accelerate the rate of PC decomposition. Mechanisms of surfactant effect on the PC decomposition are discussed.

引用

页码：1657 / 1662

页数：6

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