Adhesion control for safety glass laminates via polyurethane com

Details Adhesion control for safety glass laminates via polyurethane com Adhesion control for safety glass laminates via polyurethane com

1975-02-19

1976-06-22

Cockeram, H. S.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 2915B, 260 306R, 260 75TN, 260 775R, 260 775AN, 428425, C08G 1830, B32B 2718, B32B 2740

Patent

active

039650570

ABSTRACT:
An improved polyurethane composition useful as an interlayer for safety glass window applications such as bilayer motor vehicle windshields is disclosed. The polyurethane is specially formulated with an organic silane and an organic phosphorus acid to provide a controlled degree of adhesion to glass maintainable under a wide range Of humidity and temperature conditions, particularly higher temperature and humidity conditions, which are especially detrimental to the maintenance of adhesion. The controlled degree of adhesion between the polyurethane and the glass provides improved penetration resistance in glass-polyurethane safety glass laminates.

REFERENCES:
patent: 3309261 (1967-03-01), Schiller et al.
patent: 3391054 (1968-07-01), Lewis et al.
patent: 3468819 (1969-09-01), Szabat
patent: 3764457 (1973-10-01), Chang et al.
patent: 3791914 (1974-02-01), Ammons et al.
patent: 3806486 (1974-04-01), Endriss et al.

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