Phosphorylation of phosphazenes and its effects on thermal properties and fire retardant behavior

被引：50

作者：

Allcock, HR ^{[1
]}

Taylor, JP ^{[1
]}

机构：

[1] Penn State Univ, Dept Chem, Davey Lab 152, University Pk, PA 16802 USA

来源：

POLYMER ENGINEERING AND SCIENCE | 2000年 / 40卷 / 05期

关键词：

D O I：

10.1002/pen.11245

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

Methods for the incorporation of phosphate and phosphonate units into the side groups of phosphazenes, at both the high polymeric and cyclic trimer levels, are described and evaluated. Halogenated organophosphates were used as the phosphorylating agents and were allowed to react with hydroxyl- or lithio-functionalized phosphazenes. Well-defined phosphorylated cyclic trimers were synthesized from the hydroxyl-functionalized precursors, and these were examined as name-retardant additives to polystyrene. The thermal stabilities of the high polymers made by this route were analyzed by TGA.

引用

页码：1177 / 1189

页数：13

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