期刊
JOURNAL OF THERMAL ANALYSIS AND CALORIMETRY
卷 107, 期 2, 页码 725-732出版社
SPRINGER
DOI: 10.1007/s10973-011-1704-5
关键词
Intumescent flame retardant; Degradation kinetics; Activation energy; Thermal oxidative degradation
资金
- National Natural Sciences Foundation of China [50973066]
The thermal oxidative degradation kinetics of pure acrylonitrile-butadiene-styrene (ABS) and the flame-retarded ABS materials with intumescent flame retardant (IFR) were investigated using Kissinger, Flynn-Wall-Ozawa, and Horowitz-Metzger methods. The results showed that the degradation of all samples included two stages, the activation energy at the first stage decreased by the incorporation of these flame retardant components, while increased at the second stage. The activation energy order of the flame-retarded ABS samples at stage 2 illustrates the relationship between the composition of IFRs and their flame retardancy, FR materials with appropriate acid agent/char former ratio has higher activation energy and better flame retardancy.
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