Does the increase of any surfactant such as texapon, lauryl alcohol ethoxylate 3 or 7 make a laundry detergent more opaque ? If yes is it a synergic effect or for example lauryl alcohol ethoxylate 3 do this itself?
Shaghayegh Sadredini
Detergent for washing contains surfactants, inorganic salts. For some surfactants, inorganic salts act as salting-out agents and increase cloudy . Therefore, the inorganic salt in relation to the lauryl alcohol ethoxylite is a salting out agent. It is possible that there is another surfactant in the composition that prevents the composition from becoming cloudy from ethoxylate. Therefore, this surfactant exhibits a positive synergistic effect on this indicator to ethoxylate.
Many surfactants will self-assemble. At low concentrations, these self-assemblies may be simple, small micelles. Their small size means that they won't scatter light very much. However, as the concentration of the surfactant is increased, other larger structures may form, such as lamellae. Because scattering of light scales with the sixth power of the scattering object's size, significant turbidity may occur.
In a mixed surfactant system, synergic effects could occur. Likewise, the formation of larger structures could be reduced. It's not trivial to predict.
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