Clay-soap mixed base greases

Details Clay-soap mixed base greases Clay-soap mixed base greases

C - Chemistry, Metallurgy

10

M

253/18

C10M 125/30 (2006.01) C10M 129/44 (2006.01)

Patent

CA 1333592

A process for preparing a clay-soap mixed based grease which comprises (a) forming a clay hydrogel of clay and water; (b) intimately mixing the clay hydrogel and a conjugate acid surfactant formed from an acid and an organic amine compound; (c) intimately mixing with the mixture formed in (b) a soap and a major proportion of lubricating oil, whereby a water phase and a wet gel phase are formed; (d) separating the water phase from the wet gel phase; (e) adding to the wet gel a minor proportion of a poly- epoxide; (f) dehydrating the wet gel and simultaneously reacting the polyepoxide with the unoccupied amine groups of the amine; (g) subjecting the resulting gel to a shearing action.

607977

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