With the self-developed multi-functional glycidyl amine-ether epoxy resin, a liquid acid anhydride, and a modified aromatic amine curing agent as the basic raw materials, a high-temperature resistant epoxy pultrusion composite matrix resin for overhead wires composite mandrel has been produced. This resin has good pultrusion process performance such as lower viscosity, longer pot life in room temperature, and fast curing at high temperature. The above advantages ensure the resin and fibers infiltrate well in the high speed pultrusion process. By introducing complex accelerator and the situ split-phase toughening technique, the internal stress generated by the fast curing process is effectively decreased; therefore, the pultrusion composites have high strength, high-temperature resistance.

high temperature  /  composite cable core  /  pultrusion  /  epoxy resin