PROCESS FOR PREPARING HIGHLY ALKALINE DETERGENT - DISPERSING ADDITIVE TO MOTOR OILS Russian patent published in 1994 - IPC

Abstract RU 2016051 C1

FIELD: chemistry industry. SUBSTANCE: an alkylarylsulfonic acid or its ammonium salt is treated with alkaline earth metal hydroxide at elevated temperature in the presence of petroleum oil and an hydrocarbon solvent. The resulting alkaline earth metal alkylarylsulfonate in petroleum oil is subjected to carbonation at 40-88 C in the presence of an additional amount of alkaline earth metal hydroxide, an oxygen containing promoter and oligobutenyl-succineimido diethylene-triamine sulfamide derived from polybutene having a molecular weight of 800-1200 and used in an amount of 10-15 wt by weight calculated for a mixture of alkaline earth metal alkylarylsulfonate and petroleum oil. EFFECT: improved properties of the additive. 2 tbl

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RU 2 016 051 C1

Authors

Antonov V.N.

Blokh A.R.

Jarmoljuk B.M.

Dets M.M.

Dates

1994-07-15—Published

1991-01-02—Filed