Continuous process for grafting a polyolefin grafted polyolefins and obtained by this process.

PROCESS CONTINUING graft polyolefin WITHIN a melt comprising a polyolefin OLEFIN LINEAR containing 2 to 8 carbon atoms, a monomer FUNCTIONAL graftable and a radical generator, in an extrusion press comprising in its cOMPRESSION OUT AN AREA FOLLOWED BY AN eVACUATION ZONE IN WHICH INTRODUCE at least one antioxidant additive in the melt no later than INPUT IS IN THE AREA OF cOMPRESSION EXTRUSION Press. Stabilized grafted polyolefin OBTAINED THROUGH THIS PROCESS. ESTABILIADO grafted polyethylene.