Adhesive blends and composite structures

C - Chemistry – Metallurgy – 08 – L

Patent

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Details

154/141, 400/307

C08L 23/02 (2006.01) C09J 123/08 (2006.01) C09J 123/12 (2006.01)

Patent

CA 1150882

Abstract Compositions of matter having properties that make them strong adhesives to various substrates and especially for adhering polypropylene to various polar substrates. These compositions comprise blends of a graft copolymer of a polyethylene backbone grafted with at least one grafting monomer comprising one or more of polymerizable ethylenically unsaturated carboxylic acids or the anhydrides of such acids blended with a blending resin that is a mixture of one or more linear low density polyethylenes and one or more polypropyl- enes. The disclosure also includes composite structures comprising one or more substrates and a blend of the above as the adhesive in contact with the substrate or substrates.

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