Oil-soluble metal containing sulfonated polymers useful as oil a

Details Oil-soluble metal containing sulfonated polymers useful as oil a Oil-soluble metal containing sulfonated polymers useful as oil a

1980-10-10

1983-02-08

Howard, Jacqueline V.

Compositions

Electrolytes for electrical devices

252 327E, 252 35, 252 39, 252 515A, 44 62, 44 68, 44 76, C10M 140, C10L 124

Patent

active

043728626

ABSTRACT:
This invention relates to oil soluble, metal containing sulfonated polymers useful as additives for lubricating oils or hydrocarbon fuels and which are effective as dispersants. Such polymers of high molecular weight are also useful as viscosity-index improvers for the lubricating oils. The polymeric dispersant additives are ionic polymers which comprise a backbone substantially soluble in the fuel or lubricant, and pendant ionic groups which are sulfonic acid groups neutralized with a metal compound. Polymeric dispersant additives of this type may be made which are also capable of imparting excellent viscosity improvement, varnish inhibition, oxidation inhibition and detergency to the lubricant. These additives may also impart rust preventive properties to the oil or fuel, and as V.I. improvers they can be formed to have particularly good low temperature viscosity effects in lubricating oil.

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