Process for manufacturing a motor vehicle windshield

Details Process for manufacturing a motor vehicle windshield Process for manufacturing a motor vehicle windshield

1984-02-07

1985-09-17

Gallagher, John J.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

1562755, 156280, 156281, 20415915, 20415919, 296 84R, 427 541, 427 55, 427299, 4284256, B32B 1700

Patent

active

045418810

ABSTRACT:
Process for manufacturing a safety motor vehicle windshield, more especially as regards lower formation of glass fragments in the event of impact or fracture of said windshield.
The process consists in coating the inside surface of said windshield with a liquid composition, which, after curing with ultraviolet and infrared rays, from a high strength, hard and flexible film.
The coating is prepared so that, during the curing process, a polyurethane of aliphatic polycaprolactone is formed as an interpenetrating network system, with a partially crosslinked vinylacrylic copolymer, the whole being formed in the presence of a controlled quantity of a polyester urethane acrylate prepolymer.

REFERENCES:
patent: 3700643 (1972-10-01), Smith et al.
patent: 4232080 (1980-11-01), Orain et al.
patent: 4339474 (1982-07-01), Kishisa et al.

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