Synthesis and Application of Novel Arborescent Monomolecular P-N Intumescent Flame Retardant

被引:2
作者
Lu Lingang [1 ]
Wang Xiao [2 ]
Yang Shousheng [2 ]
Dong Xilin [1 ]
Tang Kai [1 ]
Yu Houjun [2 ]
机构
[1] Chinese Peoples Armed Police Force Acad, Dept Sci & Technol, Langfang 065000, Peoples R China
[2] Chinese Peoples Armed Police Force Acad, Dept Fire Protect Engn, Langfang 065000, Peoples R China
关键词
intumescent flame retardant; synthesis; thermal decomposition; epoxy resin; POLYURETHANE;
D O I
10.6023/A1105186
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
The novel arborescent monomolecular P-N intumescent flame retardant hexalis-(4-(5,5-dimehtyl-1,3-dioxaphospho-rinanyl-2-oxy-phosphate-ester-phenoxy))-cyclotriphosphazene (VI) was synthesized via hexachlorotriphosphazene, 4-methoxyphenol, neopentyl alcohol and phosphous oxychloride by a three step reaction and its structure was identified and studied by FT-IR, H-1 NMR and MS analyses. The termogravimetry showed that the novel flame retardant had high thermal stability and excellent char-forming ability. The beginning temperature of the compound VI decomposition was 270 degrees C and the char yield was about 45.2% at 600 degrees C in N-2. The results demonstrated that the novel arborescent P-N intumescent flame retardant was effective on the flame retardancy of epoxy resin.
引用
收藏
页码:190 / 194
页数:5
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