Surface-active azo compounds

Details Surface-active azo compounds Surface-active azo compounds

1982-05-03

1984-06-05

Higel, Floyd D.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

252351, 252357, 252358, 260193, 5262181, 526219, B01F 1700, B01F 1726, C07C10702, C08F 404

Patent

active

044527373

ABSTRACT:
The invention relates to surface-active azo compounds obtainable by reacting azo compounds corresponding to the following general formula (I): ##STR1## in which X and Y are the same or different and represent ##STR2## and R represents C.sub.1 -C.sub.4 -alkyl, with at least one C.sub.10 -C.sub.18 -paraffin disulphonic acid dihalide in aqueous medium or a solvent or solvent mixture which is inert to the reactants under the process conditions and in which the reactants are at least partly soluble, at temperatures in the range of from 0.degree. to +.degree. C. and in the presence of a base in a quantity substantially equivalent to the hydrolysable halogen, the reaction being accompanied by the elimination of hydrogen halide. The new azo compounds give low electrolyte, low-foam dispersions in emulsion and dispersion polymersation.

REFERENCES:
patent: 2599299 (1952-06-01), Upson
patent: 2794834 (1957-06-01), Randall et al.
patent: 3161630 (1964-12-01), Phelisse et al.

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