Olefin sulfonates

Details Olefin sulfonates Olefin sulfonates

C - Chemistry, Metallurgy

07

C

260/505

C07C 143/16 (1980.01) C07C 139/00 (1980.01)

Patent

CA 1037492

OLEFIN SULFONATES ABSTRACT OF THE DISCLOSURE Viscous liquid propene or butene polymers having number average molecular weights of about 250-500 are converted to the corresponding oil- soluble ammonium alkenyl sulfonates by treatment of the polymer with gaseous sulfur trioxide in a falling-film reactor, separation of the oil- soluble polymer sulfonic acids and oil-soluble polymer sultones from the sulfonation product mixture, and neutralization of the sulfonic acids and sultones with anhydrous ammonia.

240827

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