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首页> 外文期刊>Journal of Applied Polymer Science >Crystallization Behavior of Poly(epsilon-caprolactone)/Layered Double Hydroxide Nanocomposites
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Crystallization Behavior of Poly(epsilon-caprolactone)/Layered Double Hydroxide Nanocomposites

机译：聚（ε-己内酯）/双层氢氧化物纳米复合材料的结晶行为

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摘要

Poly(E-caprolactone) (PCL)/layered double hydroxide (LDH) nanocomposites were prepared successfully via simple solution intercalation. The nonisothermal melt crystallization kinetics of neat PCL and its LDH nanocomposites was investigated with the Ozawa, Avrami, and combined Avrami Ozawa methods. The Ozawa method failed to describe the crystallization kinetics of the studied systems. The Avrami method was found to be useful for describing the nonisothermal crystallization behavior, but the parameters in this method do not have explicit meaning for nonisothermal crystallization. The combined Avrami Ozawamethod explained the nonisothermal crystallization behavior of PCL and its LDH nanocomposites effectively. The kinetic results and polarized optical microscopy observations indicated that the addition of LDH could affect the mechanism of nucleation and growth of the PCL matrix. The Takhor model was used to analyze the activation energies of nonisothermal crystallization.
机译：聚（ε-己内酯）（PCL）/层状双氢氧化物（LDH）纳米复合材料通过简单的溶液插层成功制备。用Ozawa，Avrami和组合的Avrami Ozawa方法研究了纯PCL及其LDH纳米复合材料的非等温熔体结晶动力学。 Ozawa方法未能描述所研究体系的结晶动力学。发现Avrami方法可用于描述非等温结晶行为，但是该方法中的参数对于非等温结晶没有明确的含义。 Avrami Ozawamethod的组合有效地解释了PCL及其LDH纳米复合材料的非等温结晶行为。动力学结果和偏振光学显微镜观察表明，LDH的加入可能影响PCL基质的成核和生长机理。 Takhor模型用于分析非等温结晶的活化能。

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