VISCOSITY INDEX IMPROVER WITH IMPROVED SHEAR-RESISTANCE

The invention relates to a polyalkyl(meth)acrylate polymer comprising a polybutadiene-based monomer and preparation process thereof. The invention also relates to the use of said polymers as viscosity index improvers in lubricant formulation and to lubricant compositions comprising said polymer.

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Bibliographische Detailangaben
Hauptverfasser:	JÜSTEL, Rebecca, JANSSEN, Dieter
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	CHEMISTRY FUELS LUBRICANTS LUBRICATING COMPOSITIONS METALLURGY PEAT PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MONOXIDE USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATINGINGREDIENTS IN A LUBRICATING COMPOSITION
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Beschreibung
Zusammenfassung:	The invention relates to a polyalkyl(meth)acrylate polymer comprising a polybutadiene-based monomer and preparation process thereof. The invention also relates to the use of said polymers as viscosity index improvers in lubricant formulation and to lubricant compositions comprising said polymer.