Abstract
The effect of octanol on the interaction of polyethylene glycol (PEG) and cetylpyridinium chloride (CPC) were investigated by viscosity, conductivity, differential scanning calorimetry (DCS), polarizing microscopy, Fourier transform infrared spectroscopy (FTIR) and rheology analysis. The aggregation of polymer-surfactant micelles takes place at a surfactant concentration higher than the critical micelle concentration. The long chain aliphatic alcohol (n-octanol) induced rapid structural transformation in the mixed micellar system by unusual cooperative micellization. The rheological behavior of the viscoelastic system reveals the presence of giant aggregates in this system. The lyotropic nature of the giant aggregates was monitored by DSC and polarizing microscopic studies, and which was confirmed by cryo-TEM.
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Acknowledgments
This work was supported by the University Grants Commission of India (MRP(S)-338/2005(X-Plan) KLCA043/UGC-SWRO). Sincere thanks to Dr. Suresh Das, Head, Photonics Division, National Institute for Interdisciplinary Science and Technology, Trivandrum and Prof. Yeshayahu (Ishi) Talmon, Wolfson Professor of Chemical Engineering Technion-Israel Institute of Technology, Israel for getting the optical microscopy and Cryo-TEM analysis done.
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Parathakkatt, S., George, J., Moothandassery Sankarakutty, S. et al. Polymer induced structures in cetylpyridinium chloride–octanol micellar system. J Polym Res 16, 577–582 (2009). https://doi.org/10.1007/s10965-008-9262-7
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DOI: https://doi.org/10.1007/s10965-008-9262-7