Bilayer laminate and preformed sheet for use therein

Details Bilayer laminate and preformed sheet for use therein Bilayer laminate and preformed sheet for use therein

1984-07-10

1987-03-24

Cockeram, Herbert S.

Stock material or miscellaneous articles

Composite

Of polyamidoester

252182, 26433119, 528 59, 528 67, 428412, 4284244, 4284256, 1563317, 1563314, B32B 2700, C09K 300, B29C 4500, C08G 1878

Patent

active

046524940

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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