Metal hydroxide desiccated emulsions used to prepare grease

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, Kernizan, Carl F, Greenfield, Paul S, Hollingshurst, Claire L
Format Patent
LanguageEnglish
Published 06.04.2010
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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.