Phosphorus-containing polyols as flame retardant agents for poly

Details Phosphorus-containing polyols as flame retardant agents for poly Phosphorus-containing polyols as flame retardant agents for poly

1976-03-02

1977-10-18

Czaja, Donald E.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 458R, 260 4595L, 260 775AR, C08K 552

Patent

active

040545431

ABSTRACT:
Phosphate esters having the formula Ro[-(A)M(B)NH] wherein A has the structural formula ##STR1## and B has the structural formula ##STR2## wherein the R groups are alkyl radicals, m and n are each integers from 0 to 4 and the sum of m + n is from 1 to about 4, are useful as flame retardants, especially for rigid polyurethane foams.

REFERENCES:
patent: 3525711 (1970-08-01), Jenkner
patent: 3609107 (1971-09-01), Boyer et al.
patent: 3664975 (1972-05-01), Kerst
patent: 3784592 (1974-01-01), Leonard
patent: 3883478 (1975-05-01), Gresham
patent: 3945954 (1976-03-01), Batorewicz
patent: 3998764 (1976-12-01), Vollmer et al.

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