Yang Jin-fei
2004
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Journal
Journal of Nanjing Normal University
Abstract
The intumescent flame retardant melamine pyrophosphate was prepared by melamine and pyrophosphoric acid in solvent.The optimum conditions for preparation were determined as follows: temperature: 5~15℃, time:2 5?h, material mole ratio: 2 1:1,the mother solution could be recycled 3 times. The P content was analyzed by ammonium molybdophosphate(AMP)precipitation method, the result was 14 0%. The decomposition temperature was about 300℃ by the thermogravimetric analysis.