LUBRICATING COMPOSITIONS HAVING IMPROVED FILM-FORMING PROPERTIES

T. 3351 LUBRICATING COMPOSITIONS HAVING IMPROVED FILM-FORMING PROPERTIES Lubricating compositions having improved film-forming properties comprising: A) a perfluoropolyether having a viscosity ranging from 150 to 2,000 cSt (at 20.degree.C); B) a perfluoropolyether having a viscosity ? 50 cSt (at 20....

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Bibliographische Detailangaben
Hauptverfasser:	SCARATI, MARIO A, CAPORICCIO, GERARDO
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS FUELS INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATINGCOMPOSITIONS INFORMATION STORAGE INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER LUBRICANTS LUBRICATING COMPOSITIONS MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PEAT PETROLEUM, GAS OR COKE INDUSTRIES PHYSICS 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:	T. 3351 LUBRICATING COMPOSITIONS HAVING IMPROVED FILM-FORMING PROPERTIES Lubricating compositions having improved film-forming properties comprising: A) a perfluoropolyether having a viscosity ranging from 150 to 2,000 cSt (at 20.degree.C); B) a perfluoropolyether having a viscosity ? 50 cSt (at 20.degree.C); and in which compound B) is utilized in amounts ranging from 2 to 20% by weight with respect to the sum of A) and B).