Metal phenate sulfides

Details Metal phenate sulfides Metal phenate sulfides

1991-08-30

1992-12-08

McAvoy, Ellen

Compositions

Electrolytes for electrical devices

252 33, C10M13510

Patent

active

051695456

ABSTRACT:
Overbased metal phenate sulfides, having a higher alkalinity, reflected by the total base number (TBN), and having good viscosity characteristics, are synthesized with a dispersant comprising a dialkyl metal sulfosuccinate or combination of the dialkyl metal sulfosuccinate and a metal hydrocarbylsulfonate. The preferred dialkyl metal sulfosuccinate is dioctyl-sodium sulfosuccinate. The Preferred metal hydrocarbylsulfonate is calcium dinonylnaphthalenesulfonate which is added to impart age and heat stability to the product. The overbased metal phenate sulfides are suitable as lubricant and functional fluid additives.

REFERENCES:
patent: 2680096 (1954-06-01), Walker et al.
patent: 2680097 (1954-06-01), Stewart
patent: 3408297 (1968-10-01), Sheldahl
patent: 4251379 (1981-02-01), LeCoent et al.
patent: 4737303 (1988-04-01), Thaler et al.
patent: 5024773 (1991-06-01), Liston

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