Fuel compositions containing improved branched amido-amine dispe

Details Fuel compositions containing improved branched amido-amine dispe Fuel compositions containing improved branched amido-amine dispe

1993-07-14

1994-05-03

McAvoy, Ellen M.

Fuel and related compositions

Liquid fuels

Heterocyclic carbon compound containing a hetero ring having...

44317, 44348, 44385, 44386, C10L 122, C10L 118

Patent

active

053083644

ABSTRACT:
The present invention is directed to fuel compositions containing branched amido-amine additives formed by (a) reacting a first nitrogen-containing compound (e.g., ammonia or an organic amine) with an alpha, beta-unsaturated 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 a long chain hydrocarbyl substituted mono- or dicarboxylic acid material comprising a polyolefin of 300 to 10,000 number average molecular weight substituted with at least 0.3 mono- or dicarboxylic acid producing moieties (preferably acid or anhydride moieties) per polyolefin molecule.

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