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6951476 
Journal Article 
Synthesis and Thermal Decomposition Kinetics of Novel Flame Retardant 1,3,5-Tris(5,5-dimethyl-1,3-dioxa-2-oxophosphorinanyl-2-oxy)benzene 
Lu Lingang; Yang Shousheng; Zhang Yan; Huang Xiaodong; , 
2009 
Yes 
Huaxue Xuebao / Acta Chemica Sinica
ISSN: 0567-7351 
SCIENCE PRESS 
BEIJING 
1695-1699 
WOS:000269373700027 
The novel flame retardant 1,3,5-tris(5,5-dimethyl-1,3-dioxa-2-oxophosphorinanyl-2-oxy)-benzene was synthesized via neopentyl alcohol, phosphous oxychloride and 1,3,5-trihydroxybenzene by a two step reaction, and its structure was identified and studied by elemental analysis, IR, H-1 NMR and MS techniques. The thermal decomposition kinetics of the novel flame retardant were studied by TG-DTG techniques. The kinetic parameters, including the activation energy and frequency factor of the decomposition process for the title compound were calculated through the Kissinger and Flynn-Wall-Ozawa (FWO) method and the thermal decomposition mechanism was also studied with the Coast-Reffern method. The results show that the activation energy and pre-exponential factor are 171.72 kJ.mol(-1) and 37.57 s(-1) with the Kissinger method and 172.05 kJ.mol(-1) with the Flynn-Wall-Ozawa method respectively. The kinetic equation of the novel flame retardant can be expressed as g(alpha) =alpha(1/4), and the reaction order is n= 1/4.