Flameproofing of plastics

Details Flameproofing of plastics Flameproofing of plastics

1975-12-15

1977-12-06

Czaja, Donald E.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 25EP, 260 25FP, 260 458R, 260 47EP, 260 775SS, 260927R, C07F 928

Patent

active

040616045

ABSTRACT:
3-Hydroxy-5-phosphono-1,2-oxaphospholanes can be synthesized from .beta.-dicarbonyl compounds by reaction with 2 moles of an diorganophosphite. The products are usable as flameproofing agents for plastics, particularly for polyurethanes and epoxide resins which are able to react with the hydroxyl group of the oxaphospholanes.

REFERENCES:
patent: 3328319 (1967-06-01), Galinke et al.
patent: 3490940 (1970-01-01), Cummins
patent: 3812218 (1974-05-01), Golborn et al.
patent: 3812219 (1974-05-01), Clovis et al.
patent: 3873496 (1975-03-01), Hills
patent: 3883478 (1975-05-01), Gresham
patent: 3905922 (1975-09-01), Smith et al.
patent: 3970635 (1976-07-01), Lawton et al.
patent: 3970726 (1976-07-01), Batorewicz
patent: 4002580 (1977-01-01), Russo

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