Mixture of bis(2-hydroxyalkyl) N,N-di(lower alkyl)aminomethaneph

Details Mixture of bis(2-hydroxyalkyl) N,N-di(lower alkyl)aminomethaneph Mixture of bis(2-hydroxyalkyl) N,N-di(lower alkyl)aminomethaneph

1978-06-28

1980-05-13

Sebastian, Leland A.

Compositions

Fire-extinguishing

Foam-stabilizant or colloid-stabilizant containing

521165, C09K 328

Patent

active

042027799

ABSTRACT:
Bis(2-hydroxyalkyl) N,N-di(lower-alkyl)aminomethyl-phosphonates 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 phosphorus-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: 3457333 (1969-07-01), Price
patent: 3549728 (1970-12-01), Balde et al.
patent: 4102830 (1978-07-01), Sturtz et al.

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