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 515A, 252 55, 526 19, 526 58, C10M 132

Patent

active

040680584

ABSTRACT:
Hydrocarbon polymers, optimally, copolymers having a degree of crystallinity of up to 25 weight percent, comprising about 2 to 98 mole percent ethylene, and one or more C.sub.3 to C.sub.28 alpha-olefins are mechanically grafted at elevated temperatures, under an inert atmosphere, to form an aminated polymer which is thereafter mechanically-oxidatively degraded at an elevated temperature in the presence of air or oxygen-containing gas to form an aminated polymeric reaction product. The resulting aminated polymers are useful as sludge dispersants for fuels and lubricants. When the aminated polymers have a high molecular weight, they are also useful as viscosity-index improvers with dispersant and/or pour point depressant activity.

REFERENCES:
patent: 3076791 (1963-02-01), Hollyday et al.
patent: 3378492 (1968-04-01), Song et al.
patent: 3388067 (1968-06-01), Takashima et al.
patent: 3687849 (1972-08-01), Abbott
patent: 3756954 (1973-09-01), Abbott et al.
patent: 3769216 (1973-10-01), Gordon et al.
patent: 3864268 (1975-02-01), Culbertson et al.

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