Evolution of polymer matrix structure in carbon-fiber-reinforced plastic based on polycyanurate and polyarylsulfone during accelerated climatic tests

Abstract

By methods of dynamic mechanical analysis and electron microscopy, has been carried out an investigation of evolution of the polymer microstructure in carbon-fiber-reinforced plastic based on polycyanurate and polyarylsulfone in accelerated climatic tests. Has been discovered that, under the impact of heat and moisture factors, more densely packed structural formations are disintegrated and the morphology of microstructure transforms from a mutually continuous to dispersed structure. It is shown that the structural characteristics of polymer matrix depend on the type and duration of climatic impact on carbon-fiber-reinforced plastic.