Method of preparing overbased barium sulfonates

Details Method of preparing overbased barium sulfonates Method of preparing overbased barium sulfonates

1972-12-20

1976-05-25

Gantz, Delbert E.

Compositions

Electrolytes for electrical devices

252 18, 252 25, 252334, C10M 140

Patent

active

039591646

ABSTRACT:
Over-based oil-soluble barium alkenyl sulfonates wherein the alkenyl moiety is a propene or butene polymer having a number average molecular weight of about 250-500 are obtained by heating a mixture of ammonium alkenyl sulfonates, a precarbonated mixture of barium oxide in methanol, barium oxide and water in the range of about 160-190.degree.F for time sufficient to convert the ammonium sulfonate to barium sulfonate.

REFERENCES:
patent: 2727861 (1955-12-01), Brown et al.
patent: 3704105 (1972-11-01), Perilstein

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