Coupled polyamine lubricant additives derived from...

Details Coupled polyamine lubricant additives derived from... Coupled polyamine lubricant additives derived from...

C - Chemistry, Metallurgy

07

D

44/20, 402/368,

C07D 233/20 (2006.01) C07D 233/22 (2006.01) C07D 233/24 (2006.01) C10L 1/22 (2006.01) C10L 1/24 (2006.01) C10M 135/22 (2006.01) C10M 159/12 (2006.01)

Patent

CA 1323372

ABSTRACT Coupled polyamine additives for lubricants, fuels and functional fluids have been discovered having the formula Image (I) The coupled polyamines are prepared by the cyclization reaction of at least one reactant polyamine reactant with at least one hydrocarbyl polynitrile. This coupled polyamine may be further reacted with a hydrocarbyl carboxylic acid or derivative thereof, a hydrocarbyl phenolic reactant or mixtures thereof to provide an additive having greater oil solubility as well as imparting dispersancy and VI improvement.

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