Estimation of kinetic parameters for curing of epoxy-anhydride compositions by DSC

被引：4
|
作者：
Amirova, L. R. [1 ]
Khamidullin, O. L. [1 ,2 ]
Zalyalova, G. M. [1 ,2 ]
Amirova, L. M. [1 ,2 ]
机构：
[1] Kazan Fed Univ, 18 Ul Kremlevskaya, Kazan 420008, Russia
[2] AN Tupolev Kazan Natl Res Tech Univ, 10 Ul Karla Marksa, Kazan 420111, Russia
来源：
RUSSIAN CHEMICAL BULLETIN | 2017年 / 66卷 / 03期
关键词：
epoxy-anhydride formulation; catalyst; curing kinetics; differential scanning calorimetry (DSC); CURE KINETICS; SYSTEM; RESIN;
D O I：
10.1007/s11172-017-1759-y
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The kinetics of the curing process of epoxy resin (ED-22) in the presence of the anhydride hardeners (iso-methyltetrahydrophthalic anhydride, hexahydrophthalic anhydride, and dode - cylsuccinic anhydride) and accelerators (2-methyl imidazole and n-butyltriphenylphosphonium bromide) has been investigated by DSC method in the dynamic mode. Processing of experimental DSC thermograms recorded at different heating rates was carried out within the frameworks of isoconvertional analysis in two versions, namely "model-free" method of Fried-man and the Ozawa-Flynn-Wall method. The possibility to describe the kinetics of epoxy compositions curing in the frameworks of one-step autocatalytic reaction model has been demonstrated. Obtained kinetic parameters were used to predict the curing kinetics under isothermal conditions and for comparative analysis of the compositions.
引用
收藏
页码：483 / 487
页数：5
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