Adhesive blends and composite structures

Details Adhesive blends and composite structures Adhesive blends and composite structures

C - Chemistry, Metallurgy

08

L

400/3077, 400/49

C08L 23/14 (2006.01) C08L 23/06 (2006.01) C08L 51/06 (2006.01) C09J 4/00 (2006.01) C09J 123/14 (2006.01)

Patent

CA 1288536

ABSTRACT OF THE DISCLOSURE Adhesive blends especially suitable for adhesion to polypropylene and gas barrier materials are disclosed, as are composite structures incorporating such blends, and methods of making such composite structures. The blends are preferably elastomer free, and comprise a mixture of an ad hesion-promoting amount of high molecular weight low density polyethylene having a narrow molecular weight distribution, about 0.1 to 30 wt.% of a non-elastomeric copolymer of pro- pylene and a polymerizable, ethylenically unsaturated car- boxylic acid or derivative, and the balance A non-elastomer- ic ethylene/propylene copolymer wherein ethylene comprises at least 5 wt.% of the copolymer.

541031

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