Compositions based on alkenylsuccinimides as additives for lubri

Details Compositions based on alkenylsuccinimides as additives for lubri Compositions based on alkenylsuccinimides as additives for lubri

1976-04-05

1978-03-28

Gantz, Delbert E.

Compositions

Electrolytes for electrical devices

2603265F, C10M 132

Patent

active

040813886

ABSTRACT:
New compositions, based on alkenylsuccinimides, are provided which impart useful dispersing, detergent, anti-rust and anti-foam properties when employed as an additive in a lubricating oil. The new compositions are alkenylsuccinimides obtained by condensing an alkenylsuccinic anhydride with at least one polyamine of the formula: ##STR1## in which formula R'.sub.4 is a -r-O-r' radical, R'.sub.5 is one of the radicals -r-O-r'-NH.sub.2, -r'-NH.sub.2, or -r-OH, R'.sub.6 is one of the radicals -r-O-r-NH.sub.2, -r'-NH.sub.2, -r-OH, C.sub.1 -C.sub.4 -alkyl or phenyl, and r and r' have the definition given fully below using a molar ratio of polyamine to alkenylsuccinic anhydride of less than 1.

REFERENCES:
patent: 2662898 (1953-12-01), Ross et al.
patent: 3272746 (1966-09-01), LeSueur et al.
patent: 3324033 (1967-06-01), Knapp
patent: 3458444 (1969-07-01), Shepherd et al.
patent: 3620977 (1971-11-01), Honnen et al.
patent: 3806456 (1974-04-01), Vogel
patent: 3879306 (1975-04-01), Kablaoui et al.

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