Investigation of the curing reactions of some multifunctional epoxy resins using differential scanning calorimetry

被引：93
|
作者：
Rosu, D [1 ]
Mustata, F [1 ]
Cascaval, CN [1 ]
机构：
[1] Romanian Acad, Petru Poni Inst Macromol Chem, Iassy 6600, Romania
来源：
THERMOCHIMICA ACTA | 2001年 / 370卷 / 1-2期
关键词：
cure kinetics; epoxy resins; differential scanning calorimetry; kinetical model;
D O I：
10.1016/S0040-6031(00)00787-5
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
Curing reaction of three tetrafunctional epoxy resins in the presence of tetraethylene tetramine was examined by differential scanning calorimetry at different heating rates. The kinetic parameters of the curing reaction were determined using various computational methods (Barrett, Borchardt-Daniels and Kissinger). The heating rate shows a great influence on the curing process. The activation energy varied in the range 43-80 kJ/mol, and the order of the curing reaction is observed to be approximate to1.0 with slight variations. (C) 2001 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：105 / 110
页数：6
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