Nonisothermal crystallization behavior of poly(ε-caprolactone)/attapulgite nanocomposites by DSC analysis

被引：18
|
作者：
Liu, Qi [1 ]
Peng, Zhiqin [1 ]
Chen, Dajun [1 ]
机构：
[1] Donghua Univ, Coll Mat Sci & Engn, State Key Lab Modificat Chem Fibers & Polymer Mat, Shanghai 200051, Peoples R China
来源：
POLYMER ENGINEERING AND SCIENCE | 2007年 / 47卷 / 04期
关键词：
D O I：
10.1002/pen.20704
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
Nanocomposites based on biodegradable poly(epsilon-caprolactone) (PCL) and attapulgite (AT) were prepared by solution mixing. The nonisothermal crystallization of the pure PCL and PCL/AT nanocomposites at different AT contents and different cooling rates were investigated by differential scanning calorimetry (DSC). There are significant dependence of nonisothermal crystallization behavior and kinetics of PCL/AT nanocomposites on the AT content and cooling rate. The Jeziorny method has been employed to analyze the DSC data. The results show that Jeziorny method could describe this system well. It can be concluded that AT can be used as an effective nucleating agent and has effects on the growth of crystallites in the crystallization process of PCL matrix.
引用
收藏
页码：460 / 466
页数：7
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