Ethylene-propylene branched copolymers as viscosity modifiers

The present disclosure relates to lubricant compositions comprising branched copolymers and methods of making such compositions. A lubricant composition of the present disclosure includes an oil and a copolymer, and has a high temperature high shear (HTHS) viscosity of about 5 or less, a shear stabi...

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Bibliographische Detailangaben

Hauptverfasser:	HAGADORN JOHN R, MORGAN DAVID L, SAYFAR, MARIAM, ZHANG STEVE YUN, CANICH JO ANN M, JIANG PEIJUN, ZHANG JINGWEN
Format:	Patent
Sprache:	chi ; eng
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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