Thermal Decomposition Activation Energy of Liquid Crystalline Epoxy Composite with Zirconia Filler

A liquid crystalline thermosetting epoxy 4,4'-diglycidyloxy-α-methylstilbene (DOMS) was synthesized using sulfanilamide as the curing agent. To heat cure the epoxy, filler contents of 0.5-5 wt% zirconia were used. Thermogravimetric analysis was performed, and the activation energy was calculated using the Kissinger and Flynn–Wall methods. The activation energy was proportional to the amount of zirconia used. As the activation energies needed for 1% and 10% decomposition were similar, the thermal decomposition was predicted to have the same mechanism.

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Thermal Decomposition Activation Energy of Liquid Crystalline Epoxy Composite with Zirconia Filler

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