MECHANISMS OF ANTIOXIDANT ACTION - NATURE OF TRANSFORMATION PRODUCTS OF DITHIOPHOSPHATES .3. THE ANTIOXIDANT ACTION OF DITHIO AND THIO THIONOPHOSPHORIC ACIDS

被引：0
|
作者：
ALMALAIKA, S
COKER, M
SCOTT, G
SMITH, P
机构：
[1] Polymer Processing & Performance Group, Department of Chemical Engineering & Applied Chemistry, Aston University, Birmingham, B4 7ET, Aston Triangle
来源：
JOURNAL OF APPLIED POLYMER SCIENCE | 1993年 / 50卷 / 10期
关键词：
Antioxidants - High temperature operations - Hydrogen peroxide - Nuclear magnetic resonance - Oxidation - Phosphates;
D O I：
10.1002/app.1993.070501019
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 nature of transformation products of dithio- and thionophosphoric acids in the presence and absence of hydroperoxides and their role as transformation products formed during oxidation of thiophosphoryl disulfide at high temperatures is investigated. The major transformation product of dithiophosphoric acid was found to be the corresponding disulfide while thiophosphoric acid was the major oxidation product of the reaction of thionophosphoric acid with hydroperoxide. In the case of thiophosphoryl disulfide, it is shown that thionophosphoric acid was found to be one of the major transformation products in the presence of hydroperoxides, whereas no acids were formed in the absence of added hydroperoxides. (C) 1993 John Wiley & Sons, Inc.
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页码：1823 / 1831
页数：9
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