Fire retardant urea-formaldehyde compositions

Details Fire retardant urea-formaldehyde compositions Fire retardant urea-formaldehyde compositions

1977-05-06

1978-10-10

Pertilla, Theodore E.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 70R, 260 70M, 428375, 428436, 428460, 428528, 428530, C08L 6124

Patent

active

041195981

ABSTRACT:
A method of preparing a resinous system, and the resinous system produced by the method is described wherein about 65-80 moles of an aldehyde such as formaldehyde, about 15-25 moles of a catalyzing inorganic acid, optionally, about 3-7 moles of an alkanolamine such as triethanolamine, and about 20-30 moles of urea, are reacted to provide an aqueous resinous solution. The resinous solution will cure at room temperature or upon application of heat, permitting its use as a flexible, pliable, waterproof, non-burning coating.

REFERENCES:
patent: 2482756 (1949-09-01), Ford et al.
patent: 2628946 (1953-02-01), Juda
patent: 3816212 (1974-06-01), O'Brien
patent: 3883462 (1975-05-01), Pearson
patent: 3887511 (1975-06-01), Juneja

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