Performance of alpha olefin sulfonates derived from ziegler olefins in light duty liquid detergents |
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Authors: | William J DeWitt |
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Affiliation: | (1) Ethyl Corporation Research and development, 70821 Baton Rouge, Louisiana |
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Abstract: | Single carbon number olefins derived from Ziegler technology were sulfonated in a continuous fallingfilm SO3 reactor. The resulting alpha olefin sulfonate (AOS) was evaluated in a dishwashing test at several water hardnesses. Statistical
analysis of the data led to the selection of compositions suitable for hand dishwash applications. AOS, prepared by sulfonating
a blend of C14 and C16 olefins, was evaluated for hand dishwashing efficiency in a ternary mixture consisting of AOS, an alcohol ether sulfate and
monoethanolamide. Regression equations calculated from the data permit the prediction of performance levels for all practical
combinations of the three ingredients. The effect of unreacted olefin on AOS dishwash performance was also determined. With
a binary blend of AOS and monoethanolamide it was shown that up to 5% free oil (based on AOS active) could be tolerated without
significant deleterious effect. |
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Keywords: | |
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