Polyurethane pressure sensitive adhesives for bonding layered st

Details Polyurethane pressure sensitive adhesives for bonding layered st Polyurethane pressure sensitive adhesives for bonding layered st

1985-09-18

1986-12-02

Cockeram, Herbert S.

Stock material or miscellaneous articles

Composite

Of polyamidoester

4284237, 4284258, 524270, 524764, 528 54, 528 56, 528 58, 528 73, B32B 2700, C08L 2300, C08G 1828, C08G 1877

Patent

active

046264752

ABSTRACT:
A process for the production of a pressure sensitive adhesive comprising the interaction of a high molecular weight polyol, a polyisocyanate and a small amount of a bicyclic amide acetal wherein the process results in significant improvement in physical properties, e.g., a high degree of adhesive and cohesive strength, is described.

REFERENCES:
patent: 4549005 (1985-10-01), Goel
patent: 4558113 (1985-12-01), Goel
patent: 4562240 (1985-12-01), Goel et al.

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