NEW COORDINATION POLYMERS .3. OXIDATION OF POLY(VINYL ALCOHOL) BY PERMANGANATE ION IN ALKALINE-SOLUTIONS - KINETICS AND MECHANISM OF FORMATION OF INTERMEDIATE COMPLEX WITH A SPECTROPHOTOMETRIC DETECTION OF MANGANATE(VI) TRANSIENT SPECIES

被引：63

作者：

HASSAN, RM

机构：

[1] Chemistry Department, Faculty of Science. Assiut University., Assiut

来源：

POLYMER INTERNATIONAL | 1993年 / 30卷 / 01期

关键词：

KINETICS; OXIDATION; REDUCTION; MECHANISM; PERMANGANATE; POLY(VINYL ALCOHOL); COORDINATION;

D O I：

10.1002/pi.4990300103

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 kinetics of formation of the [PVA.MnVIO42-] intermediate complex have been measured by the conventional spectrophotometric technique. The rate of formation of the complex was found to be given by the expression d[Complex]/dt=k1[MnO4-][PVA-]. The results showed that the rate of formation is dependent on the base concentration. A first-order reaction in permanganate and fractional order with respect to the poly(vinyl alcohol) (PVA) concentration were observed. The activation parameters have been evaluated and a tentative reaction mechanism has been suggested.

引用

页码：5 / 9

页数：5

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