Oil soluble ionic graft copolymers

Details Oil soluble ionic graft copolymers Oil soluble ionic graft copolymers

1992-09-16

1994-07-12

Seccuro, Jr., Carman J.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

525192, 525194, C08L 2332

Patent

active

053289609

ABSTRACT:
A lubricant additive which is the reaction product of polyvinylpyridine and sulfonated polyisobutylene is oil soluble and provides clear solutions in oil. These reaction products are ionic graft copolymers. The reaction products of the invention form solutions with lubricant base stocks, such as mineral oil, and are excellent Viscosity Index enhancers. Moreover, the reaction products of the invention act as thickening agents for the oil or grease of the lubricant composition of the invention, at very low levels of reaction product content.

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