Composite structures

Details Composite structures Composite structures

1982-12-23

1983-11-22

Lesmes, George F.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Adhesive outermost layer

428355, 428441, 428461, 4284758, 428511, 428520, 428522, 428523, B32B 2700

Patent

active

044169442

ABSTRACT:
Compositions of matter having properties that make them strong adhesives to various substrates and especially for adhering polypropylene and polyethylene 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 high density polyethylenes, one or more linear low density polyethylenes and one or more polypropylenes. 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 and the method of preparing these composite structures.

REFERENCES:
patent: 3697465 (1972-10-01), Joyner et al.
patent: 3856889 (1974-12-01), McConnell
patent: 3868433 (1975-02-01), Bartz et al.
patent: 3886227 (1975-05-01), Vanbrederode

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