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US 2008/0292902 A1Published application
Moisture curable hot melt adhesive composition
AssigneeH.B. Fuller Company
InventorKevin J. Reid
Life of this patent
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Abstract
A moisture curable hot melt adhesive composition includes a polyurethane prepolymer, optionally a tackifying resin, and optionally a thermoplastic polymer. The polyurethane prepolymer includes a reaction product of an amorphous polyester polyol, a polyisocyanate, and a crystalline monofunctional alcohol that has a melting point of no less than about 80° C.
Claims19
A moisture curable hot melt adhesive composition comprising:
- a polyurethane prepolymer that comprises a reaction product of
- an amorphous polyester polyol that is a reaction product of a polyol and a dimerized fatty acid,
- a polyisocyanate, and
- a crystalline monofunctional alcohol having a melting point of no less than about 80° C.;
- optionally a tackifying resin;
- and
- optionally a thermoplastic polymer.
4 more elements
A moisture curable hot melt adhesive composition comprising
- a polyurethane prepolymer that comprises a reaction product of
- an amorphous polyester polyol,
- a polyisocyanate, and
- a crystalline monofunctional alcohol having a melting point of no less than about 80° C.;
- optionally a tackifying resin;
- and
- optionally a thermoplastic polymer,
- wherein said composition is free of a crystalline or a semi crystalline polyester polyol.
5 more elements
Dependencies are inferred from the claim text.