Aminated polymeric additives for fuel and lubricants

Details Aminated polymeric additives for fuel and lubricants Aminated polymeric additives for fuel and lubricants

1975-03-05

1978-01-10

Gantz, Delbert E.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

252 50, 526 19, C10M 132

Patent

active

040680576

ABSTRACT:
Hydrocarbon polymers, preferably polymers having a degree of crystallinity of less than about 25 weight percent and comprising about 2 to 98 weight percent ethylene, and one or more C.sub.3 to C.sub.28 alpha-olefins, are mechanically grafted under an inert atmosphere and at elevated temperatures, in the presence of an amine compound, to form an amino-grafted polymer. The resulting aminated polymers are useful as sludge dispersants for fuels and lubricants. When the aminated polymers have a higher molecular weight, they are also useful as viscosity-index improvers with dispersant and/or pour point depressant activity.

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patent: 3671511 (1972-06-01), Honnen et al.
patent: 3699043 (1972-10-01), Bacskai

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