Branched amido-amine dispersant additives

Details Branched amido-amine dispersant additives Branched amido-amine dispersant additives

1993-07-15

1995-01-31

McAvoy, Ellen M.

Compositions

Electrolytes for electrical devices

252 515A, 564 74, 564153, 564154, 564155, C10M14912, C10M15104

Patent

active

053856848

ABSTRACT:
The present invention is directed to branched amidoamine additives useful in oleaginous compositions formed by (a) reacting a first nitrogen-containing compound (e.g., ammonia or an organic amine) with an alpha, betaunsaturated compound of the formula: ##STR1## wherein W.sup.1 is sulfur or oxygen, Y is --OR.sup.4, --SR.sup.4, or --NR.sup.4 (R.sup.5), and R.sup.1, R.sup.2, R.sup.3, R.sup.4 and R.sup.5 are the same or different and are hydrogen or substituted or unsubstituted hydrocarbyl, to form a first adduct containing unreacted --C(W.sup.1)--Y groups; (b) reacting the first adduct with a polyamine (e.g., a polyalkylene polyamine) to form a second adduct containing unreacted --NH-- group (preferably primary amine groups) and comprising a branched amido-amine oligomer; and (c) reacting the second adduct with mixtures of an aldehyde and a long chain hydrocarbyl substituted hydroxy aromatic compound.

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