China Plastics ›› 2013, Vol. 27 ›› Issue (04): 80-84.DOI: 10.19491/j.issn.1001-9278.2013.04.017
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Abstract: A novel triazine-based charring agent (CA-ODA) with alternative triazine ring and benzene ring as main chain was prepared from cyanuric chloride and 4, 4 ’- diaminodiphenyl ether, and then mixed with ammonium polyphosphate (APP) to act as the flame retardancy of polypropylene (PP). The effects of different mass ratio of APP/CA-ODA system on the thermal stability and flame retardancy of PP were studied by thermogravimetric analysis and cone calorimeter. The results indicated that CA-ODA has good thermal stability and excellent charring performance, alternative triazine ring and benzene ring could accelerate the charring performance of PP, so the APP/CA-ODA system improved the flame retardancy of PP effectively. When the total content of APP/CA-ODA was 25%, and the mass ratio of APP to CA-ODA was 2:1, the peak of heat release rate of PP was reduced from 1046 kW?m-2 to 334 kW?m-2, and the char residue could reach to 41.5 %.
CLC Number:
TQ325.1+4
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URL: https://www.plaschina.com.cn/EN/10.19491/j.issn.1001-9278.2013.04.017
https://www.plaschina.com.cn/EN/Y2013/V27/I04/80