Moisture curable hot melt adhesive composition
First Claim
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1. A moisture curable hot melt adhesive composition comprising:
- a polyurethane prepolymer that comprises a reaction product ofan amorphous polyester polyol that is a reaction product of a polyol and a dimerized fatty acid,a polyisocyanate, anda crystalline monofunctional alcohol having a melting point of no less than about 80°
C.;
optionally a tackifying resin; and
optionally a thermoplastic polymer.
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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.
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Citations
19 Claims
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1. A moisture curable hot melt adhesive composition comprising:
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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. - View Dependent Claims (2, 3, 4, 5, 6, 7, 14, 16, 17)
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8. 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. - View Dependent Claims (9, 10, 11, 12, 13, 15, 18, 19)
- C.;
Specification