Production of borated ashless dispersants

Details Production of borated ashless dispersants Production of borated ashless dispersants

1989-10-24

1991-01-15

Medley, Margaret B.

Compositions

Electrolytes for electrical devices

252 515A, 548405, 548545, 558291, 558294, 585 10, 585310, C10M13900

Patent

active

049851560

ABSTRACT:
A borated reaction product that is useful as a dispersancy enhancing lubricant additive. The product is produced from the maleic anhydride adduct of an olefinic alpha-olefin oligomer. The oligomer (HVI-PAO) comprises the product of the oligomerization of C.sub.2 to C.sub.24 alpha-olefin using a reduced valence state Group VIB metal as the oligomerization catalyst. This adduct of maleic anhydride and HVI-PAO is reacted with a secondary amine such as diphenylamine, an alkanol amine such as triethanolamine, and a borating agent such as boric acid or a borate ester.

REFERENCES:
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patent: 4689051 (1987-08-01), Sung
patent: 4698169 (1987-10-01), Andress, Jr. et al.
patent: 4704215 (1987-11-01), Hota et al.
patent: 4803004 (1989-02-01), Andress et al.
patent: 4827064 (1989-05-01), Wu
patent: 4827073 (1989-05-01), Wu

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