Thermal Decomposition Activation Energy according to the Mesogen Structure of Liquid Crystalline Epoxy Composite with Aluminum Oxide Filler 


Vol. 56,  No. 5, pp. 314-320, Oct.  2019
10.12772/TSE.2019.56.314


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  Abstract

A liquid crystalline thermosetting-epoxy-based composite was fabricated using diglycidyl ether of 4,4’-bisphenol and diglycidyl ether of terephthalylidene-bis-(4-amino-3-methylphenol), with aluminum oxide as a filler, and sulfanilamide and 4,4’-diaminodiphenylethane as a curing agent. Thermogravimetric analysis was performed to investigate its thermal behavior, and temperature differences of the sample were recorded using 1.0−7.0 wt% aluminum oxide. The activation energy for thermal decomposition was calculated using the Kissinger method, and the Flynn-Wall method. The results showed that the activation energy was proportional to the amount of filler added.

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pISSN : 1225 - 1089
eISSN : 2288 - 6419

한국연구재단 우수등재학술지 유지 (2022년)