Sulphonic acids and sulphonates

Details Sulphonic acids and sulphonates Sulphonic acids and sulphonates

C - Chemistry, Metallurgy

07

C

253/93, 260/500.

C07C 303/42 (2006.01) C07C 309/28 (2006.01)

Patent

CA 1080745

ABSTRACT OF THE DISCLOSURE Alkaryl sulphonic acids containing at least 1% by weight of an olefin based on the weight of the sulphonic acid. The incorporation of an olefin - and, optionally, water - in the acid alleviates problems of undesirable colour development and also simplifies or eliminates the puri- fication procedures conventionally required for these acids. Thermal stability may also be improved.

272074

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