Thermally stable reactive hot melt urethane adhesive composition

Details Thermally stable reactive hot melt urethane adhesive composition Thermally stable reactive hot melt urethane adhesive composition

1987-05-07

1989-04-11

Gallagher, John

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

1563314, 525 93, 525 96, 525111, 525127, 525130, 525455, C09J 502

Patent

active

048203688

ABSTRACT:
Hot melt adhesive compositions combining the characteristics of hot melt adhesives and reactive adhesives can be prepared by blending a thermoplastic polymer, having sufficient structural integrity to provide cohesive strength, with a urethane prepolymer and a tackifying agent. The composition has sufficient green strength to form initial bonds. Additionally, over time, the composition cures to a final rigid, resilient structural adhesive bond.

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