The influence of poly(ethylene glycol) on thermal properties of poly(vinyl chloride)/poly(ethylene oxide) blends

被引：0
|
作者：
Miće Jakić
Nataša Stipanelov Vrandečić
Matko Erceg
机构：
[1] University of Split,Department of Organic Technology, Faculty of Chemistry and Technology
来源：
Journal of Thermal Analysis and Calorimetry | 2017年 / 127卷
关键词：
Kinetic analysis; Multivariate nonlinear regression method; Poly(ethylene glycol); Poly(ethylene oxide); Poly(vinyl chloride);
D O I：
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中图分类号：
学科分类号：
摘要：
The influence of poly(ethylene glycol) (PEG) on thermal characteristics and thermal degradation of poly(vinyl chloride)/poly(ethylene oxide) (PVC/PEO) blends was investigated by differential scanning calorimetry and dynamic thermogravimetry. The thermal degradation characteristics of PEO remain unchanged upon PEG addition, while for all other investigated blends their values decreased, particularly at higher PVC content. Kinetic analysis of the non-isothermal degradation of investigated PVC/PEO/PEG blends was performed using isoconversional Friedman method in combination with the multivariate nonlinear regression method. The PEG addition lowers the values of the activation energies of PVC/PEO blends. The kinetic analysis indicated four-stage degradation mechanism for all investigated blends.
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页码：663 / 674
页数：11
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