Moisture cured reactive hot melt adhesive with monofunctional reactants as grafting agents
First Claim
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1. A polyurethane hot melt adhesive composition comprising polyisocyanate, one or more polymeric polyols, a crystalline monofunctional reactant, and optionally a thermoplastic polymer.
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Abstract
High green strength reactive hot melt adhesives are prepared using crystalline monofunctional reactants.
21 Citations
30 Claims
- 1. A polyurethane hot melt adhesive composition comprising polyisocyanate, one or more polymeric polyols, a crystalline monofunctional reactant, and optionally a thermoplastic polymer.
- 14. A method of improving the set speed of a polyurethane adhesive comprising adding an effective amount of a crystalline monofunctional reactant to an adhesive formulation, wherein the adhesive comprises a thermoplastic polymer.
Specification