Low sediment process for forming borated dispersant

Details Low sediment process for forming borated dispersant Low sediment process for forming borated dispersant

C - Chemistry, Metallurgy

07

F

C07F 5/02 (2006.01) C08F 8/42 (2006.01) C10M 129/95 (2006.01) C10M 133/52 (2006.01) C10M 145/00 (2006.01) C10M 149/00 (2006.01) C10M 155/04 (2006.01) C10M 159/16 (2006.01) C10M 177/00 (2006.01)

Patent

CA 2111056

A low sediment process for forming a borated oil soluble polymer-substituted nitrogen- or ester-containing lubricating oil additive. A non-borated polymer-substituted nitrogen- or ester-containing additive in the presence of a solvent therefor, is contacted under boronating reaction conditions in a reaction zone with particulate boric acid. The boric acid has an average particle size distribution in lubricating oil characterized by a .slzero. value of not greater than about 450. The .slzero. value is the ratio of said particles' total spherical volume divided by said particles' total spherical external surface area.

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