Preparation of surfactants by sulfonating derivatives of depolym

Details Preparation of surfactants by sulfonating derivatives of depolym Preparation of surfactants by sulfonating derivatives of depolym

1982-10-18

1984-01-17

Lovering, Richard D.

Compositions

Preservative agents

Anti-corrosion

208 9, B01F 1712

Patent

active

044263139

ABSTRACT:
Surfactants or surface active agents may be obtained by treating the product obtained from the boron trifluoride etherate catalyzed depolymerization of coal with a sulfonating agent such as sulfur trioxide and thereafter neutralizing the sulfonated product with a basic compound such as sodium hydroxide to obtain a sodium sulfonated derivative of the depolymerized coal product.

REFERENCES:
patent: 2807589 (1957-09-01), Mitchell et al.
patent: 2940936 (1960-06-01), Fike
Ouchi et al., Fuel, "Catalysts for the Depolymerization of Mature Coals," 52, Apr. (1973), pp. 156-157.

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