Preparation of Greases from Metal Hydroxide Dessicated Emulsions

The invention provides a grease composition comprising a stable dispersion of a metal hydroxide with a number average particle size in the range 20 nanometres to 2 micrometres, a surfactant with a HLB of less than 10, a mono- or poly-carboxylic acid, and an oil of lubricating viscosity. The method o...

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Bibliographic Details
Main Authors NOLAN, STEPHEN J, GREENFIELD, PAUL S, KERNIZAN, CARL F, HOLLINGSHURST, CLAIRE, L
Format Patent
LanguageEnglish
French
German
Published 29.06.2005
Edition7
Subjects
ADHESIVES
CHEMISTRY
DYES
FUELS
LUBRICANTS
LUBRICATING COMPOSITIONS
MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE
METALLURGY
MISCELLANEOUS APPLICATIONS OF MATERIALS
MISCELLANEOUS COMPOSITIONS
NATURAL RESINS
PAINTS
PEAT
PETROLEUM, GAS OR COKE INDUSTRIES
POLISHES
TECHNICAL GASES CONTAINING CARBON MONOXIDE
USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATINGINGREDIENTS IN A LUBRICATING COMPOSITION
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Summary:The invention provides a grease composition comprising a stable dispersion of a metal hydroxide with a number average particle size in the range 20 nanometres to 2 micrometres, a surfactant with a HLB of less than 10, a mono- or poly-carboxylic acid, and an oil of lubricating viscosity. The method of preparing a grease composition is also disclosed with benefits including a reduction in reaction time, amount of foam produced and environmental hazards.
Bibliography:Application Number: EP20030799258