Process for the preparation of calcium sulfonate/calcium...

Details Process for the preparation of calcium sulfonate/calcium... Process for the preparation of calcium sulfonate/calcium...

C - Chemistry, Metallurgy

07

C

C07C 303/32 (2006.01) C07C 309/31 (2006.01) C07C 309/37 (2006.01) C09D 5/08 (2006.01) C10M 159/24 (2006.01) C23F 11/12 (2006.01) C23F 11/16 (2006.01)

Patent

CA 2057196

- 8 - HOE 90/F 366 ABSTRACT OF THE DISCLOSURE: Process for the preparation of calcium sulfonate/calcium carbonate complexes In the process for the preparation of superbasic calcium sulfonate/calcium carbonate complexes, a mixture of - oil-soluble aralkylsulfonic acids, - calcium oxide and/or calcium hydroxide and - carboxylic acids, is reacted in the presence of a liquid non-polar reaction medium, water-soluble polar solubilizing agents and water. The reaction with carbon dioxide is then carried out. Water-immiscible or water-insoluble carboxylic acids are employed as the carboxylic acids. The process products are used as anticorrosive agents.

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