4.7 Article

Thermal behavior of some organic/inorganic composites based on epoxy resin and calcium carbonate obtained from conch shell of Rapana thomasiana

期刊

COMPOSITES PART B-ENGINEERING
卷 43, 期 2, 页码 702-710

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ELSEVIER SCI LTD
DOI: 10.1016/j.compositesb.2011.11.047

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Thermosetting resin; Cure behavior; Thermal analysis; Cure

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Thermal behavior of some diglycidyl ether of bisphenol A/p-aminobenzoic acid systems with calcium carbonate as a filler were studied. The kinetics parameters of the curing reactions were estimated using the variable peak exotherm method of Kissinger and Ozawa. The most probable kinetic model and the kinetic parameters of the degradation process were also estimated. The energies of crosslinking reactions are situated in the range of 46-57 kJ mol(-1) for the first exotherm and between 68 and 72 kJ mol(-1) for the second exotherm. The cured resins have a good thermal stability and the activation energies of degradation reactions are situated in the range of 178-218 kJ mol(-1). (C) 2011 Elsevier Ltd. All rights reserved.

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