Dielectric and thermal studies of epoxy resin and polyethylene oxide blends
Abstract
Epoxy resin is a material that offers excellent impermeability to humidity, electric insulation, resistance to solvents and chemical reagents along with very good adhesive abilities. In order to obtain those specific abilities, it reacts chemically with a hardening mean, resulting in the development of a cross linking network. The materials that arise from the preceding procedure exhibit high vitreous transition temperature, thermosetting, and therefore are remarkably fragile. To counteract this specific disadvantage the addition of modifiers within the polymeric network of the resin was proposed, such as elastomers and thermoplastic materials with lower vitreous transition temperature, in our case study polyethylene oxide (PEO), without though altering its particular characteristics. Mixing occurs with the formation of hydrogen bonds between PEO and Epoxy resin. Initially, the thermal behavior of the materials was studied using the method of Differential Calorimetric Scan. Specificall ...
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