Process and device for the production of a safety pane

Details Process and device for the production of a safety pane Process and device for the production of a safety pane

1986-01-15

1989-04-04

Bell, Janyce

Stock material or miscellaneous articles

Composite

Of polyamidoester

427168, 4273897, 427426, B05D 506, B32B 2740

Patent

active

048186228

ABSTRACT:
Production of a safety pane comprising a sheet of glass and a polyurethane-based layer having energy-absorbent properties. The polyurethane-based layer having energy-absorbent properties is formed directly on the sheet of glass by reactive spraying of a reactive mixture of an isocyanate component having a viscosity under 5000 centipoises at 40 degrees C. and a polyalcohol component, with the isocyanate component containing at least one aliphatic or cycloaliphatic diisocyanate, or a prepolymer of these isocyanates, with the polyalcohol component containing at least one long difunctional polyalcohol having a molecular mass between 500 and 4000 and at least one short diol as a chain extending agent.

REFERENCES:
patent: 3133702 (1964-05-01), Stelchek
patent: 3440086 (1969-04-01), Kerns
patent: 3671370 (1972-06-01), Littel
patent: 3979548 (1976-09-01), Schafer et al.
patent: 4195148 (1980-03-01), Hagin
patent: 4232080 (1980-11-01), Orain
patent: 4234445 (1980-11-01), Hagen
patent: 4590030 (1986-05-01), Gilner et al.

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