Study on Binary Mixture System of Lauroyl Sodium Glutamate Surfactant
- 1 January 2021
- journal article
- research article
- Published by Walter de Gruyter GmbH in Tenside Surfactants Detergents
- Vol. 58 (1), 20-26
- https://doi.org/10.1515/tsd-2019-2210
Abstract
In the present study, binary mixtures of sodium N-lauroylglutamate (SLG) and dodecyltrimethylammonium chloride (DTAC) or dodecylbetaine (BS-12) were examined for their synergistic effect. The surface chemical properties of the compound systems with different molar ratios were determined by the regular solution theory. Results indicated that both compound systems show synergistic effects of overall synergy, in which the SLG/DTAC system exhibited a better activity than the SLG/BS-12 system. The aggregation number of SLG compound systems was smaller than that of single surfactants, and the difference of the proportion of the two surfactants had little effect on the aggregation number of compound systems.Keywords
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