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the presence of IL solution instead of pure aqueous solution
plays a very important role. The long carbon chain of the
IL is responsible for increasing hydrophobic interactions in
the investigated system and in the enhancement of the sur-
face activity of the surfactant. This work is important from
the application point view of TTAB in IL and sodium ben-
zoate in the healthcare industry. This work will provide a
useful insight into the application of surfactants with
organic salts in the colloidal industry.
Acknowledgements This work is supported by the Council of Sci-
entific and Industrial Research (CSIR), Government of India (Grant
No. 21/(1005)/15/EMR—II) through Emeritus Scientist grant to Prof.
A. Pal. The authors also would like to thank Professor Rajan Patel
and Mr. Ab. Raouf Bhat, Centre for Interdisciplinary Research in
Basic Sciences, Jamia Millia Islamia, New Delhi, India for providing
tensiometric measurement facilities.
Lin, Z., Cai, J. J., Scriven, L. E., & Davis, H. T. (1994) Spherical-to-
wormlike micelle transition in CTAB solutions. The Journal of Phys-
Liu, S., Gonzalez, Y. I., & Kaler, E. W. (2003) Structural fixation of
spontaneous vesicles in aqueous mixtures of polymerizable anionic
and cationic surfactants. Langmuir, 19:10732–10738. https://doi.
Conflict of Interest The authors declare that they have no conflict
of interest.
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