Adhesive blends and composite structures comprising acid or anhydride modified PE + hope + polypropylene
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United States of America Patent
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Oct 11, 1983
Grant Date -
N/A
app pub date -
Dec 4, 1981
filing date -
Dec 4, 1981
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Compositions of matter having properties that make them strong adhesives to various substrates and especially for extrusion adhesion 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 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 and one or more polypropylenes. The disclosure also includes composite structures and their method of making comprising one or more substrates and a blend of the above as the adhesive in contact with and united with the substrate or substrates.
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