Citation: HUANG Jifu, CHANG Baolon, WANG Derun, LI Yingmin, SHEN Jingduo, YANG Biao. THE CURING BEHAVIOR OF DIGLYCIDYL-4, 5-EPOXYCYCLOHEXANE-1,2-DICARBOXYLATE*[J]. Chinese Journal of Polymer Science, ;1985, 3(2): 103-109. shu

THE CURING BEHAVIOR OF DIGLYCIDYL-4, 5-EPOXYCYCLOHEXANE-1,2-DICARBOXYLATE*

Received Date: 8 July 1983

The curing behavior of diglycidyl-4, 5-epoxycyclohexane-1, 2-dicarboxylate with m-phenylenediamine has been studied by using torsional braid analysis. It is shown that the whole curing processproceeds in two stages, that is, curing reaction at temperatures below 100℃ mainly occurs at the ali-phatic epoxy rings, whereas a rapid increase in reaction rate of the remaining cycloaliphatic epoxy ringoccurs only at temperatures above 130℃. Between the temperature range from 100℃ to 130℃, the"full reaction" of the aliphatic epoxy rings is approximated,while the reaction rate of the cycloaliphatic epoxy ring begins to increase gradually.The maximum glass transition temperature(Tg∞) of the system does not emerge before 220℃.The apparent activation energy is 13.2 kcal/mole.
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