Lactone-modified, mannich base dispersant additives useful in ol

Details Lactone-modified, mannich base dispersant additives useful in ol Lactone-modified, mannich base dispersant additives useful in ol

1989-01-09

1990-04-03

Dixon, Jr., William R.

Compositions

Electrolytes for electrical devices

549213, 560189, 564 9, C10M14916, C10M15916

Patent

active

049138308

ABSTRACT:
Poly (C.sub.5 -C.sub.9 lactone) modified Mannich base adducts are made by reacting a C.sub.5 -C.sub.9 lactone, an amine, an aldehyde, and a hydrocarbyl substituted, hydroxy aromatic compound, e.g. a polyisobutenyl phenol which, in turn, preferably is made by reacting a polymer of a C.sub.2 to C.sub.10 monoolefin, preferably polyisobutylene, having a molecular weight of about 700 to 10,000 with a hydroxy aromatic compound. The resulting adducts are useful per se as oil soluble dispersant additives. They are also useful in fuel and lubricating oil compositions, as well as in concentrates and additive packages.

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