LUBRICANT COMPOSITIONS

A lubricant composition comprising 100 parts by weight of an oil having a lubricating oil viscosity and 0.1 to 50 parts by weight of a copolymer of isobutylene and/or propylene with at least one acrylic ester compound, especially a copolymer of isobutylene with at least one acrylic ester. In said co...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	IKEBE S,JA, MORI K,JA, KATO T,JA, HIROOKA M,JA
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMISTRY COMPOSITIONS BASED THEREON FUELS INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATINGCOMPOSITIONS LUBRICANTS LUBRICATING COMPOSITIONS MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PEAT PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MONOXIDE THEIR PREPARATION OR CHEMICAL WORKING-UP USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATINGINGREDIENTS IN A LUBRICATING COMPOSITION
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Beschreibung
Zusammenfassung:	A lubricant composition comprising 100 parts by weight of an oil having a lubricating oil viscosity and 0.1 to 50 parts by weight of a copolymer of isobutylene and/or propylene with at least one acrylic ester compound, especially a copolymer of isobutylene with at least one acrylic ester. In said composition, the improving effect of the visocity index is excellent and the composition is excellent in shear stability, thermal resistance, aging resistance, and demulsibility.