ADHESIVES COMPRISING POLYPROPYLENE POLYETHYLENE AND ACID-GRAFTED POLYETHYLENE

摘要

A modified polyolefin adhesive blend comprises: (a) 0.1 to 40 parts of a graft copolymer of 70 to 99.999% of a polyethylene backbone grafted with 30 to 0.001% of at least one polymerizable ethylenically unsaturated carboxylic acid or anhydride, and (b) 99.9 to 60 parts of a mixture of 25 to 75% of linear low density polyethylene and 75 to 25% of polypropylene. It can be used to bond similar or dissimilar materials, such as polypropylene, nylon, ethylene-vinyl alcohol copolymer and metals, to form composite structures.