MAGNESIUM SULFONATE SYNTHESIS

MAGNESIUM SULFONATE SYNTHESIS

An overbased magnesium sulfonate detergent is made by (A) preparing a mixture of a sulfonic acid or salt with a magnesium oxide, water, a C 1 -C 5 alkanol, a hydrocarbon solvent, and a combination of a polyisobutene succinic anhydride of molecular weight (M w ) 500 to 1500 g mol -1 and a salicylic a...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Phillips, Daniel, Marsh, Adam, Wilkinson, Thomas Daniel, Skinner, Philip
Format: Patent
Sprache:eng ; fre ; ger
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:An overbased magnesium sulfonate detergent is made by (A) preparing a mixture of a sulfonic acid or salt with a magnesium oxide, water, a C 1 -C 5 alkanol, a hydrocarbon solvent, and a combination of a polyisobutene succinic anhydride of molecular weight (M w ) 500 to 1500 g mol -1 and a salicylic acid as first and second promoters; and (B) carbonating the mixture with an acidic gas to form the overbased magnesium sulfonate.