Quaternary ureidomethyl phosphonium salts

Details Quaternary ureidomethyl phosphonium salts Quaternary ureidomethyl phosphonium salts

1979-11-29

1981-05-05

Lusignan, Michael R.

Coating processes

With post-treatment of coating or coating material

Liquid extraction of coating constituent or cleaning coating

260239EP, 8116P, 106 1817, 106 1819, 252 81, 427366, 4273933, 564 32, C07F 922, C07C12715, C09K 328, B05D 300

Patent

active

042659450

ABSTRACT:
Novel quaternary ureidomethyl phosphonium salts having the general formula ##STR1## are prepared by condensing a urea having the formula RNHC(O)NR'R" with a quaternary hydroxymethyl phosphonium salt having the formula (HOCH.sub.2).sub.4 P.sup.+ X.sup.- in a molar ratio of at least 2:1. The products, which are characterized by the absence of residual hydroxymethyl groups, are useful as finishing agents for imparting flame retardant properties to cotton fabrics.

REFERENCES:
patent: 3644083 (1972-02-01), Stockel et al.
patent: 3734684 (1973-05-01), Donaldson et al.
patent: 3868269 (1975-02-01), Daigle et al.
Pepperman, Armand B., Jr. et al, J. Org. Chem. 41, pp. 675-678, (1976).

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