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Equistar Chemicals Patents Adhesive Compositions

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By: KERRY PIANOFORTE

Editor, Coatings World, Coatings World

U.S. 8,236,886 B2
Equistar Chemicals  has obtained a patent for an adhesive composition comprised of (a) 2% to 30% weight of a modified polyolefin comprised of a polymer grafted with carboxylic acids, carboxylic acid anhydrides or derivatives thereof, the polymer being selected from a group consisting of (i) ethylene homopolymers, (ii) copolymers of ethylene with propylene, 1-butene, 4-methyl 1-pentene, 1-hexene, or 1-octene, (iii) propylene homopolymers, (iv) copolymers of propylene with ethylene or C4-C10-olefins, and (v) mixtures of (i)-(iv); (b) 0.02% to 0.3% weight of a polyalphaolefin polymer; and 65% to 98% weight of an olefin polymer base resin.

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