PROCESS FOR THE MANUFACTURE OF GLASS FIBRE REINFORCED PELLETS

摘要

Process for the manufacture of a long glass fibre reinforced polypropylene composition containing from 10 - 70 wt.% of glass fibres based on the weight of the composition, the process comprising the steps of a) providing at least one continuous glass multifibre strand, b) applying a sheath of a polypropylene composition around said continuous glass multifibre strand so as to form a sheathed continuous glass multifibre strand, c) cooling the sheathed continuous glass multifibre strand to a cutting temperature, d) cutting the sheathed continuous glass multifibre strand into pellets at a cutting temperature, wherein the sheathed continuous glass multifibre strand is cut using a rotary cutting tool at a specific cutting temperature.