Process for the production of commercial alpha olefin sulfonates

Details Process for the production of commercial alpha olefin sulfonates Process for the production of commercial alpha olefin sulfonates

1976-03-03

1977-10-04

Thomas, Jr., James O.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260400, C07C13914, C07B 1302

Patent

active

040524310

ABSTRACT:
Alpha olefin sulfonates generally commercially made by reacting SO.sub.3 with alpha olefins followed by neutralization and saponification with base (typically sodium hydroxide), and subsequently bleaching, characteristically may contain by-product impurities which are non-sulfonate sulfur containing organic compounds. These impurities chiefly sultones, can be substantially completely eliminated by the process sequence of the present disclosure which involves heating and bleaching and pH adjustment under specified conditions. Surprisingly, such and similar organic sulfurous impurities are eliminated during such heating and do not reform under such bleaching and pH adjustment.

REFERENCES:
patent: 3169142 (1965-02-01), Knaggs et al.
patent: 3409637 (1968-11-01), Eccles et al.
patent: 3420875 (1969-01-01), De Salvo et al.
patent: 3424694 (1969-01-01), Stein et al.
patent: 3531518 (1970-09-01), Ohren et al.
patent: 3634287 (1972-01-01), Woo
patent: 3639282 (1972-02-01), Sharman

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