Polystyrene/hematite composites: thermal degradation kinetics

被引：2
|
作者：
Kuljanin-Jakovljevic, J. [1 ]
Marinovic-Cincovic, M. [1 ]
Stojanovic, Z. [1 ]
Krkljes, A. [1 ]
Abazovic, N. D. [1 ]
Comor, M. I. [1 ]
机构：
[1] Univ Belgrade, Vinca Inst Nucl Sci, Belgrade 11001, Serbia
来源：
JOURNAL OF COMPOSITE MATERIALS | 2011年 / 45卷 / 07期
关键词：
polymer-matrix composite; thermal properties; thermal analysis; heat treatment; SITU BULK-POLYMERIZATION; METHYL-METHACRYLATE; NONISOTHERMAL DATA; NANOCOMPOSITES; STABILITY; DECOMPOSITION; POLYMERS; NANORODS; PART;
D O I：
10.1177/0021998310377940
中图分类号：
TB33 [复合材料];
学科分类号：
摘要：
The kinetics of thermal degradation of polystyrene/Fe(2)O(3) composites was studied by dynamic thermogravimetry. The samples were heated in nitrogen atmosphere, applying three different heating rates 5, 20, and 40 degrees C/min. We calculated kinetic parameters using modified KAS isoconversional method. Results showed that polystyrene in all composites has higher thermal degradation activation energies compared to pure polystyrene. Maximal activation energy of thermal degradation is achieved for PS/Fe(2)O(3) composite with about 10% of filler. Vyazovkin model-free method was used to predict thermal degradation parameters.
引用
收藏
页码：839 / 847
页数：9
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