Glazing laminates

Details Glazing laminates Glazing laminates

1990-02-09

1996-10-15

Nakarani, D. S.

Stock material or miscellaneous articles

Composite

Of polyamidoester

4284256, B32B 2740, B32B 1710

Patent

active

055652719

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: 4039720 (1977-08-01), Cherenko et al.
patent: 4053076 (1977-10-01), Vogel et al.
patent: 4218500 (1980-08-01), Radisch

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