Process for the preparation of secondary alcohol sulfate-containing surfactant compositions
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United States of America Patent
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Dec 24, 1991
Grant Date -
N/A
app pub date -
Jun 28, 1990
filing date -
Jun 28, 1990
priority date (Note) -
Expired
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Abstract
This invention relates to a process for preparing secondary alkyl sulfate-containing surface active compositions substantially free of unreacted organic matter and water, which process comprises: a) sulfating a detergent range olefin having from about 8 to about 22 carbon atoms with concentrated sulfuric acid, b) neutralizing the product of step a) with a base dispersed in a nonionic surfactant having a boiling point higher than that of said detergent range olefin and its corresponding secondary alcohol, c) saponifying the product of step b), d) passing the product of step c) through a thin film evaporator to evaporate unreacted organic matter from said product and recovering said product.
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