Abstract
Modified epoxy resins have been synthesized by reacting 1:10 mole ratio of bisphenol-A and epichlorohydrin in the presence of AlC13 epichlorohydrin complex (1:1) at 30°C. Parameters, such as epoxide equivalent weight, chlorine content, percentage crystallinity, degree of cure increase as a direct function of the concentration of AlC13 - Differential Scanning Calorimetry (D.S.C.) studies show that the values of the glass transition temperature (Tg) are higher for a modified epoxy resin than for a blank one. The AlC13 modifies as well, as it has autocatalytic curing properties at room temperature. The activation energy is 86 KJ/mole and order of reaction is first.
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