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Polymers 2017, 9(7), 285; https://doi.org/10.3390/polym9070285

Dependency of Anion and Chain Length of Imidazolium Based Ionic Liquid on Micellization of the Block Copolymer F127 in Aqueous Solution: An Experimental Deep Insight

1
Department of Chemistry, College of Chemistry and Materials Science, Jinan University, Guangzhou 510632, China
2
Department of Chemical Engineering, King Saud University, P.O. Box 800, Riyadh 11421, Saudi Arabia
3
Department of Science & Technology, Government of West Bengal, 26/B, Block-DD, Sector-I, Salt Lake, Kolkata 700064, India
4
Department for Management of Science and Technology Development, Ton Duc Thang University, Ho Chi Minh City, Vietnam
5
Faculty of Applied Sciences, Ton Duc Thang University, Ho Chi Minh City, Vietnam
These authors contribute equally to this work.
*
Authors to whom correspondence should be addressed.
Academic Editor: Katja Loos
Received: 9 June 2017 / Revised: 8 July 2017 / Accepted: 15 July 2017 / Published: 19 July 2017
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Abstract

The non-ionic triblock copolymer, Pluronic® F127, has been selected to observe its interaction with ionic liquids (ILs) in aqueous solutions by using DLS, surface tension, and viscosity measurements. The Critical Micelle Concentration (CMC) of F127 increased with the addition of ILs, which appeared logical since it increases the solubility of PPO (and PEO) moiety, making it behaves more like a hydrophilic block copolymer that is micellized at a higher copolymer concentration. The results from DLS data showed good agreement with those obtained from the surface tension measurements. Upon the addition of ILs, the tendency in micellar size reduction was demonstrated by viscosity results, and therefore, intrinsic viscosity decreased compared to pure F127 in aqueous solution. The results were discussed as a function of alkyl chain length and anions of imidazolium based ILs. View Full-Text
Keywords: micellization; surface activity; block copolymers; ionic liquids; DLS; viscosity micellization; surface activity; block copolymers; ionic liquids; DLS; viscosity
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Lunagariya, J.; Kumar, N.S.; Asif, M.; Dhar, A.; Vekariya, R.L. Dependency of Anion and Chain Length of Imidazolium Based Ionic Liquid on Micellization of the Block Copolymer F127 in Aqueous Solution: An Experimental Deep Insight. Polymers 2017, 9, 285.

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