Glazing laminates and method of making same

Details Glazing laminates and method of making same Glazing laminates and method of making same

1984-10-09

1987-02-17

Gallagher, John J.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Adhesive outermost layer

156 99, 156106, 156192, 15624411, 156246, 156278, 1563244, 427177, 4272082, 4284233, 4284256, 428906, 428912, B32B 2700

Patent

active

046439447

ABSTRACT:
An integument which contributes to the maintenance of surface integrity is disclosed, particularly a sheet for use in preparing laminates, such as vehicle windshields, in which an energy absorbing ply, for example, a ply of poly(vinyl butyral), is sandwiched between two glass plies, the sheet of this invention being applied to an exposed surface of one of the glass plies and having one surface layer comprising a thermoplastic polyurethane capable of adhering to a glass or plastic substrate and the other surface layer comprising a thermoset polyurethane having anti-lacerative, self-healing and anti-ablative properties; there is further disclosed the manufacture and application of such a sheet as a ply facing the interior of a vehicle, thereby forming a windshield the inwardly exposed surface of which comprises a thermoset polyurethane which protects the vehicle occupants from facial lacerations caused by windshield impact and which has self-healing properties.

REFERENCES:
patent: 2061678 (1936-11-01), Scott
patent: 3547753 (1970-12-01), Sutton
patent: 3655432 (1972-04-01), Hausslein et al.
patent: 3657057 (1972-04-01), Shorr et al.
patent: 3969301 (1976-07-01), Thurn
patent: 4010311 (1977-03-01), Lewis et al.
patent: 4053076 (1977-10-01), Vogel et al.
patent: 4098747 (1978-07-01), Bailey et al.
patent: 4218500 (1980-08-01), Radisch

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