Alkyl hydroxyalkyl phosphoric acid esters

Details Alkyl hydroxyalkyl phosphoric acid esters Alkyl hydroxyalkyl phosphoric acid esters

1987-07-02

1989-12-19

Lander, Ferris H.

Organic compounds -- part of the class 532-570 series

Organic compounds

Phosphorus esters

C07F 909

Patent

active

048884375

ABSTRACT:
Alkyl hydroxyalkyl orthophosphoric acid esters, particularly mixtures thereof, corresponding to the following formula ##STR1## in which R.sup.1 and R.sup.2 represent C.sub.6 -C.sub.22 alkyl groups and R.sup.3 is hydrogen, a group R.sup.1 or a group --CH.sub.2 --CH(OH)--R.sup.2. The esters are prepared by reaction of phosphorus pentoxide with fatty alcohol and reaction of the phosphoric acid partial esters formed with long-chain .alpha.-epoxides. After conversion of the compounds corresponding to formula I, in which R.sup.3 is hydrogen, into the salt form, the new alkyl hydroxyalkyl orthophosphoric acid ester mixtures are particularly suitable as emulsifiers for oil-water emulsion.

REFERENCES:
patent: 4258448 (1981-03-01), Reitz et al.
patent: 4350645 (1982-09-01), Kurosaki et al.
patent: 4382042 (1983-05-01), Hardy et al.
patent: 4736051 (1988-04-01), Wakatsuki et al.
Chemical Abstract, 70:57128X.

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