Reactive phosphate flame retardants

Details Reactive phosphate flame retardants Reactive phosphate flame retardants

1980-04-23

1981-07-28

Foelak, Morton

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

From reactant having at least one -n=c=x group as well as...

260 457P, 260 4595L, 260 4595P, 521168, 528287, C08G 1830, C08G 6320

Patent

active

042810973

ABSTRACT:
Novel esters of pentavalent phosphorus acid having the formula ##STR1## wherein R and R'are haloalkyl containing from 2 to 6 carbon atoms and from 1 to 6 halogen atoms; n is an integer of from 1 to 3; each X is independently selected from hydrogen, halogen, alkyl, or hydroxyl, provided that at least one X is hydroxyl. The above compounds are effective reactive flame retardants in polyurethane and polyester polymeric compositions.

REFERENCES:
patent: 2782128 (1957-02-01), Paist et al.
patent: 3830886 (1974-08-01), Davis et al.
patent: 3850859 (1974-11-01), Wortmann et al.
patent: 3970726 (1976-07-01), Batorewicz
patent: 3998764 (1976-12-01), Vollmer et al.
patent: 4049617 (1977-09-01), Albright
patent: 4049754 (1977-09-01), Weil

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