A PARTLY SYNTHETIC MULTIGRADE CRANKCASE LUBRICANT

A PARTLY SYNTHETIC MULTIGRADE CRANKCASE LUBRICANT

A base oil for an SAE OW-40 lubricant composition comprises a mineral basestock, a polyalpha-olefin and a synthetic ester lubricant The SA E OW-40 lubricant comprises the base oil and a viscosity index improver select ed from the group consisting of polymethacylatc, olefin polymer, hydrogenated dien...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: GAO, JASON ZHISHENG
Format: Patent
Sprache:eng ; fre
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:A base oil for an SAE OW-40 lubricant composition comprises a mineral basestock, a polyalpha-olefin and a synthetic ester lubricant The SA E OW-40 lubricant comprises the base oil and a viscosity index improver select ed from the group consisting of polymethacylatc, olefin polymer, hydrogenated diene, copolymer mixtures of all three or mixtures of olefin polymer and hydrogenated diene copolymer.