Adhesive blends and composite structures

C - Chemistry – Metallurgy – 08 – L

Patent

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117/204, 400/307

C08L 23/00 (2006.01) B32B 27/04 (2006.01) B32B 27/32 (2006.01) C08L 51/06 (2006.01) C09J 7/02 (2006.01) C09J 123/04 (2006.01) C09J 123/18 (2006.01) C09J 151/06 (2006.01)

Patent

CA 1200041

Abstract Resin blends that are strong adhesives to var- ious substrates and especially to polar substrates. These blends comprise (a) a graft copolymer of a poly- ethylene backbone grafted with at least one grafting monomer comprising one or more polymerizable ethylen- ically unsaturated carboxylic acids or acid derivatives such as acid anhydrides, acid esters, salts, amides, imides, and the like, (b) a LDPE, a linear low density polyethylene, or an ethylene-unsaturated ester copol- ymer and (c) a poly(.alpha.-olefin). The disclosure also includes composite struc- tures comprising one or more substrates and a blend of the above as the adhesive in contact with the sub- strate or substrates. The disclosure also includes the method for preparing these composite structures.

415153

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