Study on the non-isothermal crystallization kinetics of novel polyamide 6/silica nanocomposites containing epoxy resins

摘要

The non-isothermal crystallization kinetics of pure polyamide 6 (PA6) and novel PA6/silica-containing epoxy resin nanocomposites (EPA6N) were extensively studied by differential scanning calorimetry (DSC). Three methods, namely, the Avrami, the Ozawa, and the Mo, were used to describe the non-isothermal crystallization process of pure PA6 and EPA6N. It was found that all these three methods can describe the non-isothermal crystallization of pure PA6 very well, but the Ozawa analysis was rather inapplicable for the EPA6N. The Avrami analysis results show that the crystallization rate of EPA6N is faster than that of pure PA6, and the crystallization mechanism of EPA6N is different from that of pure PA6, in agreement with the Mo analysis results. (C) 2008 Elsevier Ltd. All rights reserved.