Preparation of bilayer laminate and preformed sheet for use ther

Details Preparation of bilayer laminate and preformed sheet for use ther Preparation of bilayer laminate and preformed sheet for use ther

1986-08-25

1987-06-09

Cockeram, Herbert S.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

252182, 26433119, 528 59, 528 61, 156 99, 428412, 4284231, 4284244, 4284256, B32B 3100, B29C 1900, C09K 300, C08G 1878

Patent

active

046718389

ABSTRACT:
Preformed, energy-absorbing, scratch resistant, optical, flexible, and self-healing polyurethane sheets, which are adhesive under the influence of heat and pressure; bilayer glazing laminates and bilayer safety windshields including said sheets; wherein said polyurethane sheet is prepared preferably by reactive-casting on a horizontal support and formed preferably from a polyisocyanate monomer including about 2 to about 10 wt. % of urea groups.

REFERENCES:
patent: 4010311 (1977-03-01), Lewis et al.
patent: 4101529 (1978-07-01), Ammons
patent: 4152350 (1979-05-01), Moehring et al.
patent: 4276386 (1981-06-01), Schwindt et al.
patent: 4434284 (1984-02-01), Rukavina et al.

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