Kinetic analysis of the non-isothermal degradation of poly(3-hydroxybutyrate) nanocomposites

被引：34
|
作者：
Erceg, Matko [1 ]
Kovacic, Tonka [1 ]
Perinovic, Sanja [1 ]
机构：
[1] Univ Split, Dept Organ Technol, Fac Chem & Technol, Split 21000, Croatia
来源：
THERMOCHIMICA ACTA | 2008年 / 476卷 / 1-2期
关键词：
Kinetic analysis; Nanocomposites; Organoclay; Poly(3-hydroxybutyrate); Non-isothermal thermogravimetry;
D O I：
10.1016/j.tca.2008.07.009
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
Poly(3-hydroxybutyrate)/organically modified montmorillonite nanocomposites (PHB/25A) were prepared by the solution-intercalation method. The non-isothermal degradation of pure PHB and PHB/25A nanocomposites was investigated in the temperature range 50-500 degrees C at four heating rates (2.5, 5, 10 and 20 degrees C min(-1)). Kinetic analysis of the non-isothermal degradation of pure PHB and PHB/25A nanocomposites was performed using isoconversional (Flynn-Wall-Ozawa, Kissinger-Akahira-Sunose and Friedman) methods and the invariant kinetic parameters method. The true kinetic triplets (E, A, and f(alpha)) were determined. (C) 2008 Elsevier B.V. All rights reserved.
引用
收藏
页码：44 / 50
页数：7
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