HDPE/硫酸钙粉体复合材料热分解动力学研究Thermal Decomposition Kinetics of HDPE/Calcium Sulphate Composites
王少会;
摘要(Abstract):
采用热重分析仪(TGA)在氮气保护下研究了高密度聚乙烯(HDPE)及HDPE/硫酸钙粉体复合材料的热分解行为,并分别运用Kissinger法和Flynn-Wall-Ozawa法计算了它们的活化能。结果表明:基于这2种计算方法,HDPE/硫酸钙粉体复合材料的热分解活化能相比纯的HDPE提高了44.37%和69.31%。
关键词(KeyWords): 高密度聚乙烯/硫酸钙粉体复合材料;热分解动力学;活化能;指前因子
基金项目(Foundation): 华东交通大学博士启动基金(01308014)
作者(Authors): 王少会;
参考文献(References):
- 1张予东,李宾杰,徐翔民等.ZnSn(OH)_6的热分解动力学.物理化学学报,2007,23(7):1 095-1 098
- 2 Seo M K,Lee J R,Park S J.Crystallization kinetics and interfacial behaviors of polypropylene composites reinforced with rnulti-walled carbon nanotubes.Materials Science and Engineering A,2005, 404:79-84
- 3 Cho Youngshin,Shim Mija.Thermal degradation kinetics of PE by the Kissinger equation.Materials Science Communication,1998, 52(1):94-97
- 4 Avrami M.Kinetics of phase change.I General theory,Journal of Chemistry and Physics,1939,7:1 103-1 112
- 5 Kissinger H E.Reaction kinetics in differential thermal analysis. Analytical Chemistry,1957,29:1 702-1 706
- 6 Karpova S G,Popov A A.Kinetics of ozone oxidation of oriented polypropylene and high-density polyethylene.Polymers,2008,27 (12):57-63