Investigation of modified phenolic hardeners and curing of an epoxy resin by TG-FTir

被引：5
|
作者：
Boschel, D
Fedtke, M
Geyer, W
机构：
[1] UNIV HALLE WITTENBERG, INST TECH MAKROMOL CHEM, D-06217 MERSEBURG, GERMANY
[2] UFZ HELMHOLTZ CTR ENVIRONM RES, SEKT ANALYT, D-04318 LEIPZIG, GERMANY
来源：
POLYMER | 1997年 / 38卷 / 06期
关键词：
TG-FTir; novolac; epoxy resins;
D O I：
10.1016/S0032-3861(96)00660-X
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
A TG-FTi.r. system is used to analyse the evolved gases during the decomposition of 2,6-dimethylol-p-cresol (DMPC) and the hexahydrophthalic acid anhydride modified product (HHPA-DMPC). The remaining solid sample is identified by diffuse reflection FTi.r. In accordance with the results of both methods a reaction mechanism is obtained. Furthermore, the curing of diglycidylether of bisphenol A (DGEBA) with HHPA-DMPC or HHPA-phenolnovolac as hardener and N-methylimidazole as accelerator is followed by TG-FTi.r. It could be shown that the amount of water formed in the post-curing period is responsible for the appearance of the sample. (C) 1997 Elsevier Science Ltd.
引用
收藏
页码：1291 / 1296
页数：6
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