Comparison of two epoxy resins EP composites in the temperature range from +25°C to +200°C. DMTA

The thermal and mechanical behavior of a pure epoxy resin and an epoxy resin reinforced with glass fibers should be investigated in the glass transition range and the rubber-elastic range. The measurements were carried out using an MCR rheometer with convection temperature device.

Introduction

The thermal and mechanical behavior of a pure epoxy resin and an epoxy resin reinforced with glass fibers should be investigated in the glass transition range and the rubber-elastic range.

Epoxy Resin:

Epoxy resin EP in its hardened state is a thermosetting plastic which is highly rigid and has a high chemical resistance. EP has no melting temperature as it has been made into a permanently cross-linked polymer (thermosetting plastic) in a polymerization reaction. The heat resistance may be up to 250 °C. Reinforced epoxy resin systems have excellent resistance to corrosion, even in aggressive environments. This makes it an ideal substance for containers in plant manufacturing and for ship hulls. Due to its good dielectric properties epoxy resin is used in the electronics industry, e.g. for insulators and printed circuit boards.

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