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H.B. Fuller Patents Hot Melt Adhesive

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By: KERRY PIANOFORTE

Editor, Coatings World, Coatings World

U.S. 8,623,480 B2
H.B. Fuller has been granted a patent for a hot melt adhesive composition comprised of at least 55 percent by weight of a first polymer consisting of a non functionalized amorphous poly alpha olefin polymer comprising greater than approximately  50 percent by weight polypropylene; a second polymer selected from the group consisting of polypropylene homopolymers, propylene copolymers, and combinations thereof; functionalized polypropylene wax; and polyethylene wax; the adhesive composition has a viscosity of no greater than 2000 centipoise at 176.7° C.

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