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Synthesis of hexa‐allylamino‐cyclotriphosphazene as a reactive fire retardant for unsaturated polyesters
Author(s) -
Kuan JennFong,
Lin KingFu
Publication year - 2003
Publication title -
journal of applied polymer science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.575
H-Index - 166
eISSN - 1097-4628
pISSN - 0021-8995
DOI - 10.1002/app.13044
Subject(s) - fire retardant , phosphazene , aminolysis , hexa , polymer chemistry , materials science , flammability , polyester , char , chemistry , organic chemistry , composite material , combustion , polymer , medicinal chemistry , catalysis
A phosphazene derivative, hexa‐allylamino‐cyclotriphosphazene (HACTP), was synthesized through the aminolysis of hexa‐chloro‐cyclo‐triphosphazene with excess allylamine. HACTP is a soluble light‐brown crystalline solid, which melts at 90°C. It was reactive after melt but decomposed at 236°C. When it was incorporated into the resin formulations of unsaturated polyesters, it acted as a reactive flame retardant. The oxygen index was increased from 20.5 to 25.2, rating from the flammable to self‐distinguishable scale. © 2003 Wiley Periodicals, Inc. J Appl Polym Sci 91: 697–702, 2004