Improved basic calcium sulphonate

Details Improved basic calcium sulphonate Improved basic calcium sulphonate

C - Chemistry, Metallurgy

07

C

C07C 303/32 (2006.01) C07G 99/00 (2009.01) C07C 309/31 (2006.01) C09D 1/00 (2006.01) C09D 5/08 (2006.01) C10M 159/24 (2006.01)

Patent

CA 2062760

2062760 9100328 PCTABS00003 Basic calcium sulphonate is produced by carbonating a substantially oil free mixture of a sulphonic acid and/or an alkaline earth metal sulphonate, a hydrocarbon solvent, an alcohol containing from 1 to 5 carbon atoms and an excess relative to the acid of calcium oxide or calcium hydroxide. Removing the residual alcohol and optionally adding the medium, other than oil, in which it is desired to obtain the basic calcium sulphonate and removing the hydrocarbon solvent used, the choice of medium added enables calcium carbonate to be obtained in solid form by adding no medium, in dispersion form in a volatile solvent by adding the appropriate solvent, or in suspension in a plasticizer by adding a plasticizer to provide a composition compatible with polyvinyl chloride plastisols.

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