METHOD OF MANUFACTURING HOLLOW POLYOLEFINIC ARTICLES IN A MOLD WITH A POLYURETHANE FOAM WITH IMPROVED ADHESION OF POYOLEFINE TO THE POLYURETHANE FOAM

摘要

A polyolefin composition having improved adhesion to foamable plastic substrates, comprising an intimate mixture of about 20% to about 99.5% by weight of a first stabilized polyolefin powder and from about 0.5% to about 80% by weight of a second at most slightly stabilized polyolefin powder, said second powder having a crystalline melting point which is at least 1 DEG higher than that of said first powder and wherein said second powder has the ability to be oxidized under process conditions.