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Citation: LI Lai-Bing, HE Xiao-Mei. Flame Retardancy of N-P-Epoxy Resin Modified by Aluminum Hydroxide[J]. Chinese Journal of Applied Chemistry, ;2005, 22(6): 652-656. shu

Flame Retardancy of N-P-Epoxy Resin Modified by Aluminum Hydroxide

LI Lai-Bing ^, ,
HE Xiao-Mei

1.
Novel Materials Institute, Hunan Institute of Technology, Hengyang 421008

Corresponding author: LI Lai-Bing,
Received Date: 8 July 2004
Available Online: 5 January 2005
Fund Project: 湖南省科技厅科技计划重点资助项目(03SSY4054) (03SSY4054)

The flame retardancy of N-P-epoxy resin modified by aluminum hydroxide was investigated,and the effects of thermal decomposition temperature and aluminum hydroxide content were analyzed.The resin formulation was optimized through an orthogonal design of experiments.After it was thermally treated,the thermal decomposition temperature of aluminum hydroxide could be raised from 195.35℃ to 242.15℃.The flamability of the aluminum hydroxide modified N-P-epoxy resin was V0,and the oxygen index of LOI was 36%~37% when the mass ratio of epoxy resin and aluminum hydroxide was 100:(77.5~85),and the phosphor content was 2.8% and nitrogen content 1.6%.
- test of orthogonal design,
- flame retardance,
- scale of burning,
- oxygen index of LOI
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