Process for overbased calcium sulfonate

Details Process for overbased calcium sulfonate Process for overbased calcium sulfonate

C - Chemistry, Metallurgy

07

C

C07C 309/31 (2006.01) C07G 99/00 (2009.01) C07C 303/32 (2006.01) C10M 159/24 (2006.01)

Patent

CA 2067842

Case EI-6373 PROCESS FOR OVERBASED CALCIUM SULFONATE Abstract Overbased calcium sulfonates and solutions thereof are prepared by reacting an alkylbenzenesulfonic acid with an excess of high reactivity calcium oxide andcarbon dioxide in admixture with hexane, xylene, methanol, and hard base to produce a product having a TBN of greater than 300, a low turbidity value, and which is easily filterable. - 19 -

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