Physical aging for an epoxy network diglycidyl ether of bisphenol A/m-xylylenediamine

被引：35
作者：
Fraga, F
Castro-Díaz, C
Rodríguez-Núñez, E
Martínez-Ageitos, JM
机构：
[1] Univ Santiago Compostela, Fac Ciencias, Dept Fis Aplicada, Lugo 27002, Spain
[2] Univ Santiago Compostela, Fac Ciencias, Dept Ingn Quim, Lugo 27002, Spain
来源：
POLYMER | 2003年 / 44卷 / 19期
关键词：
epoxy-amine reactions; physical aging; relaxation enthalpy;
D O I：
10.1016/S0032-3861(03)00624-4
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
The physical aging of the epoxy network consisting of a diglycidyl ether of bisphenol A (BADGE n = 0) and m-xylylenediamine (mXDA) were studied by differential scanning calorimetry. The following aging temperatures have been used in this work: 60, 70, 80, 90, 100 and 110degreesC. The glass transition temperature and the variation of the specific heat capacities have been calculated using the method based on the intersection of both enthalpy-temperature lines for glassy and liquid states. The endothermic aging peak, relaxation enthalpy and fictive temperature were also calculated for each aging temperature and aging time. (C) 2003 Elsevier Ltd. All rights reserved.
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页码：5779 / 5784
页数：6
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