Process for preparing spirocyclic phosphorus compounds

Details Process for preparing spirocyclic phosphorus compounds Process for preparing spirocyclic phosphorus compounds

1978-06-28

1979-11-06

Sutto, Anton H.

Chemistry of carbon compounds

Dipeptides, e.g., aspartame, anserine, carnosine, etc.

C07F 908

Patent

active

041736028

ABSTRACT:
Bis(2-hydroxyalkyl) N,N-di(lower-alkyl)aminomethylphosphonates are described. These phosphorus-containing polyols can be incorporated into polyurethane foams to render the latter fire retardant. They have the advantage over closely related phosphorous-containing polyols that they are autocatalytic in the polyurethane foam forming reaction and that they can be mixed with the polyol component of the polyurethane foam forming composition to give a mixture (premix) which can be maintained in storage for prolonged periods without showing any signs of deterioration.

REFERENCES:
patent: 3707587 (1972-12-01), Schliebs et al.

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