Method for improving the demulsibility of base oils

Details Method for improving the demulsibility of base oils Method for improving the demulsibility of base oils

C - Chemistry, Metallurgy

10

G

C10G 25/02 (2006.01) C10G 33/04 (2006.01)

Patent

CA 2078299

- 19 - ABSTRACT OF THE DISCLOSURE Lube oil basestocks having an oil/water interfacial tension (.gamma. o/w) of less than 41 mN/m, preferably less than about 35 mN/m which exhibit unacceptable demulsibility can have their demulsibility performance improved by contacting said lube oil basestock with an acidic ion exchange resin, such as Amberlyst AR-15, or with silica. The treated lube oil base stock exhibits an oil/water interfacial tension (.gamma. o/w) of at least about 41 mN/m, preferably at least about 42 mN/m.

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