DSC study of cure kinetics of DGEBA-based epoxy resin with poly(oxypropylene) diamine |
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| Authors: | J Macan I Brnardić M Ivanković H J Mencer |
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| Institution: | (1) Faculty of Chemical Engineering and Technology, University of Zagreb, Marulicev trg 19, p.p. 177, 10001 Zagreb, Croatia;(2) Faculty of Chemical Engineering and Technology, University of Zagreb, Marulicev trg 19, p.p. 177, 10001 Zagreb, Croatia;(3) Faculty of Chemical Engineering and Technology, University of Zagreb, Marulicev trg 19, p.p. 177, 10001 Zagreb, Croatia;(4) Faculty of Chemical Engineering and Technology, University of Zagreb, Marulicev trg 19, p.p. 177, 10001 Zagreb, Croatia |
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| Abstract: | Summary A kinetic study of cure kinetics of epoxy resin based on a diglycidyl ether of bisphenol A (DGEBA), with poly(oxypropylene) diamine (Jeffamine D230) as a curing agent, was performed by means of differential scanning calorimetry (DSC). Isothermal and dynamic DSC characterizations of stoichiometric and sub-stoichiometric mixtures were performed. The kinetics of cure was described successfully by empirical models in wide temperature range. System with sub-stoichiometric content of amine showed evidence of two separate reactions, second of which was presumed to be etherification reaction. Catalytic influence of hydroxyl groups formed by epoxy-amine addition was determined. |
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| Keywords: | DSC epoxy resin cure kinetics poly(oxypropylene) diamine |
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