Preparation of alkenyl sulfonates

Details Preparation of alkenyl sulfonates Preparation of alkenyl sulfonates

1974-12-05

1976-05-04

Thomas, Jr., James O.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260513T, C07B 1300

Patent

active

039548490

ABSTRACT:
Treatment of oil-soluble viscous liquid propene or butene polymers having a number average molecular weight of about 250-500 with gaseous sulfur trioxide in falling-film or static reactors yields acidic sulfonation products comprising alkenyl sulfonic acids and polymer sultones. Two-stage neutralization of the sulfonation product with ammonia or sodium hydroxide reduces the sultone content and increases the sulfonate content in the neutralized product.

REFERENCES:
patent: 3420875 (1969-01-01), Di Salvo et al.
patent: 3496225 (1970-02-01), Logan et al.

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