Author(s):
Kiran D. Patil, Gunvant H. Sonawane, Mahendra S. Borse
Email(s):
kirandpatil22@gmail.com , drgunvantsonawane@gmail.com , mahendraborse@yahoo.com
DOI:
10.52711/0974-4150.2026.00014 
Address:
Kiran D. Patil1, Gunvant H. Sonawane1, Mahendra S. Borse*2
1Department of Chemistry, Kisan Arts, Commerce and Science College Parola, Tal. Parola, Dist. Jalgaon 425111, Maharashtra, India.
2Department of Chemistry, Uttamrao Patil Arts and Science College, Dahivel, Tal. Sakri, Dist. Dhule 424304, Maharashtra, India.
*Corresponding Author
Published In:
Volume - 19,
Issue - 2,
Year - 2026
ABSTRACT:
The interaction between poly (acrylic acid) (PAA, MW ˜ 50,000) and dodecyl trimethyl ammonium bromide (DTAB) was investigated in aqueous solution using ultrasonic interferometry, density, viscosity, and conductivity. Experiments were performed with 0.1 M DTAB containing 0–1.0 wt/v%, PAA (at 0.2% interval) at 298.15–313.15 K. Density and viscosity increased with PAA concentration, indicating enhanced solute-solvent interactions. Non-linear trends in reduced viscosity and relaxation time, with minima near 0.4 wt/v% PAA, suggested micelle disruption followed by cooperative polymer-micelle association. Ultrasonic velocity rose sharply (1520 ? 1732 m/s) and compressibility decreased at 0.4 wt/v%, confirming compact micelle–polymer complex formation. At higher temperatures, maxima shifted to ~0.6 wt/v%, reflecting reorganization into elongated aggregates. Rheological and conductivity data supported temperature-dependent micellar hydration, counterion binding, and shape transitions. Overall, PAA significantly modulates DTAB micellization through hydrophobic and electrostatic interactions, with concentration- and temperature-dependent transitions between compact and elongated micelle–polymer assemblies. These findings provide thermodynamic and structural insight into polymer–surfactant systems with relevance to pharmaceutical, detergent, and colloidal formulations.
Cite this article:
Kiran D. Patil, Gunvant H. Sonawane, Mahendra S. Borse. Ultrasonic, Rheological and Conductivity Study of the Interaction between Polyacrylic Acid and DTAB Micelles in Aqueous Medium. Asian Journal of Research in Chemistry.2026; 19(2):79-8. doi: 10.52711/0974-4150.2026.00014
Cite(Electronic):
Kiran D. Patil, Gunvant H. Sonawane, Mahendra S. Borse. Ultrasonic, Rheological and Conductivity Study of the Interaction between Polyacrylic Acid and DTAB Micelles in Aqueous Medium. Asian Journal of Research in Chemistry.2026; 19(2):79-8. doi: 10.52711/0974-4150.2026.00014 Available on: https://ajrconline.org/AbstractView.aspx?PID=2026-19-2-1
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