Reactive compatibilization in polymer alloys, recyclates and composites

The efficiency of all composite materials depends on the fiber–matrix interface and its ability to transfer stress from the matrix to the fiber. Radiation treatment is a possible way to bind together the main components of the composite. In our earlier work we applied acrylic oligomer-treated fibers irradiated with low energy electron beam to reinforce recycled polypropylene. In the present work the interaction between the matrix and fibers – PAN and glass fibers – was investigated by ESCA (Electron Spectroscopy for Chemical Analysis). On the other hand, the conventional way of compatibilization – the effect of using maleic anhydride grafted PP as a coupling agent – was examined in flax fiber–PP composites.