Hot melt adhesive
AssigneeReichhold Chemicals, Inc.
InventorsNeil R. Jarvis, Anil B. Goel
Life of this patent
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Abstract
The foregoing and other objects and advantages of the present invention are accomplished by a hot melt adhesive comprising a blend of a low molecular weight polyolefin, olefin-carboxylic acid graft polymer or olefin-maleic anhydride graft polymer or blend thereof; a propylene-ethylene copolymer or propylene-ethylene-butene terpolymer; and a tackifying resin or blend of tackifying resins. The blend can include an antioxidant or blends of antioxidants, a high molecular weight or functionalized polyolefin or a copolymer or terpolymer of a vinyl monomer (e.g., ethylene/vinyl acetate).
Claims10
A hot melt adhesive, comprising a blend of
- (a) 5 to 20 weight percent low molecular weight polyolefin, olefin-carboxylic acid graft polymer or olefin-maleic anhydride graft polymer or blends thereof;
- (b) 40 to 70 weight percent propylene-ethylene-butene terpolymer;
- (c) 10 to 40 weight percent tackifying resin or blend of tackifying resins;
- and
- (d) 0.1 to 2.0 percent antioxidant or blend of antioxidants.
Dependencies are inferred from the claim text.