DSC Study of the Cure Kinetics During Nanocomposite Formation: Epoxy - Poly(oxypropylene)diamine /Organically Modified Montmorillonite System (CROSBI ID 113976)
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Podaci o odgovornosti
Ivanković, Marica ; Brnardić, Ivan ; Ivanković, Hrvoje ; Mencer, Helena Jasna
engleski
DSC Study of the Cure Kinetics During Nanocomposite Formation: Epoxy - Poly(oxypropylene)diamine /Organically Modified Montmorillonite System
The effect of an organically modified montmorillonite (OMMT) on the curing kinetics of a thermoset system based on a bisphenol A epoxy resin and an poly(oxypropylene)diamine curing agent were studied by means of differential scanning calorimetry (DSC) in isothermal and dynamic (constant heating rate) conditions. Montmorillonite and prepared composites were characterized by X-ray diffraction analysis (XRD) and simultaneous differential scanning calorimetry - thermogravimetric analysis (DSC – TGA). Analysis of DSC data indicated that the presence of the filler has a very small effect on the kinetics of cure. A kinetic model, arising from an autocatalyzed reaction mechanism, was applied to DSC data. Fairly good agreement between experimental and modeling data was obtained.
nanocomposites ; clay ; epoxy ; kinetics ; differential scanning calorimetry
Glavni autor: Marica Ivanković
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Podaci o izdanju
Povezanost rada
Kemijsko inženjerstvo, Temeljne tehničke znanosti