DISPERSANT VISCOSITY MODIFIERS CONTAINING AROMATIC AMINES

Reaction of a carboxylic acid-containing polymer with certain aromatic amines results in dispersant viscosity modifiers with improved soot handling performance in heavy-duty diesel engines, compared with reaction with non-aromatic amines.

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Bibliographische Detailangaben
Hauptverfasser: SCHOBER, Barton J, GIESELMAN, Matt D, FRIEND, Christopher, COVITCH, Michael J, EVELAND, Renee A, GALIC RAGUZ, Mary, PUDELSKI, John K
Format: Patent
Sprache:eng ; fre ; ger
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Zusammenfassung:Reaction of a carboxylic acid-containing polymer with certain aromatic amines results in dispersant viscosity modifiers with improved soot handling performance in heavy-duty diesel engines, compared with reaction with non-aromatic amines.