Para-alkylated diphenylamines, their synthesis and use as additives

Para-alkylated diphenylamine antioxidants arc made by catalytically alkylating diphenylamine with an alkylating agent in the form of a mixture of branched-chain oligomers of butene, the alkylating agent having an average molecular weight in the range of 140 to 300 and a methylvinylidene isomer conte...

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Bibliographische Detailangaben
Hauptverfasser:	WANGNER, RONALD, P, ARROWSMITH, STEPHEN, BURROWS, AUBREY, L, BOOTH, CHRISTOPHER, JAMES
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ACYCLIC OR CARBOCYCLIC COMPOUNDS ADHESIVES CHEMISTRY COMPOSITIONS BASED THEREON DYES FUELS LUBRICANTS LUBRICATING COMPOSITIONS MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS ORGANIC CHEMISTRY ORGANIC MACROMOLECULAR COMPOUNDS PAINTS PEAT PETROLEUM, GAS OR COKE INDUSTRIES POLISHES TECHNICAL GASES CONTAINING CARBON MONOXIDE THEIR PREPARATION OR CHEMICAL WORKING-UP USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATINGINGREDIENTS IN A LUBRICATING COMPOSITION USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS
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Beschreibung
Zusammenfassung:	Para-alkylated diphenylamine antioxidants arc made by catalytically alkylating diphenylamine with an alkylating agent in the form of a mixture of branched-chain oligomers of butene, the alkylating agent having an average molecular weight in the range of 140 to 300 and a methylvinylidene isomer content of no greater than 10%.