期刊
JOURNAL OF THERMAL ANALYSIS AND CALORIMETRY
卷 114, 期 3, 页码 1201-1206出版社
SPRINGER
DOI: 10.1007/s10973-013-3057-8
关键词
T31; Combustion behaviors; Flame retardant; Epoxy
资金
- National Natural Science Foundation of China [51206084]
- Out-standing Young Scientist Research Award Fund from Shandong Province [BS2011CL018]
To study the influence of the T31 content on the combustion properties and thermal degradation behaviors of flame-retardant epoxy composites, a series of flame-retardant epoxy composites were prepared using E-44 epoxy resin as matrix, T31 curing agent as curing agent, and intumescent flame retardant (IFR, based on phosphorus acid, melamine, and pentaerythritol) as flame retardant. The influence of T31 content on combustion behaviors and thermal degradation properties of the flame-retardant epoxy composites were studied using cone calorimeter test (CCT) and thermal-gravimetric analysis (TG), respectively. The cone calorimeter test results indicate that the decrease of T31 can significantly decrease the HRR, THR, SPR, and enhance the char residue of the epoxy composites. EP-4 with 7.0 wt% T31 shows the lowest HRR, SPR and the highest char residue. Furthermore, the TG results indicate that the EP-4 has the highest char residue among all the epoxy composites.
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