Micellization and aggregation properties of sodium perfluoropolyether carboxylate in aqueous solution

Qiwen Yin; Wei Xue; Yanyun Bai; Wanxu Wang; Xiaoyuan Ma; Zhiping Du; Guoyong Wang

Journal of Industrial and Engineering Chemistry, Vol.42, 63-68, October, 2016

DOI10.1016/j.jiec.2016.07.026 Export Citation

Micellization and aggregation properties of sodium perfluoropolyether carboxylate in aqueous solution

Qiwen Yin, Wei Xue, Yanyun Bai, Wanxu Wang, Xiaoyuan Ma, Zhiping Du, and Guoyong Wang^†

China Research Institute of Daily Chemical Industry, Taiyuan 030001, PR China

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Sodium perfluoropolyether carboxylate (PFPE-Na) was synthesized via hydrolyzing the corresponding hexafluoropropylene oxide oligomer (PFPF). The structure of PFPE-Na was characterized by FT-IR and 19F NMR. The micellization and aggregation properties of PFPE-Na surfactant in aqueous solution were studied systematically using equilibrium surface tension, electrical conductivity, dynamic surface tension, steady-state fluorescence, transmission electron microscopy (TEM) and contact angle methodologies. The results of equilibrium surface tension at 25 °C showed that the critical micelle concentration (CMC) and the surface tension at CMC (γCMC) of PFPE-Na aqueous solution are lower than sodium perfluorooctanoate [NaPFO, C7F15COONa], which revealing that as a kind of environment-friendly surfactant, PFPE-Na is a perfect substitute of NaPFO. Electrical conductivity measurements implied that the micellization of PFPE-Na in aqueous solution was an exothermic and entropy-driven process in the range of temperature investigated. Steady-state fluorescence and transmission electron microscopy (TEM) may indicate that PFPE-Na self-assemble in aqueous solution to form larger spherical aggregates with the increase of concentration. In addition, dynamic surface tension measurements of PFPE-Na solution showed an extremely efficient adsorption at concentrations above CMC while the determination of contact angle of PFPE-Na showed the wetting ability was general.

Keywords:Surfactant;Sodium perfluoropolyether carboxylate;Micellization;Aggregation;Properties

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[Referenced By]

[1] Zaggia A, Ameduri B, Curr. Opin. Colloid Interface Sci., 17, 188 (2012)

[2] Hintzer K, Jurgens M, Kaspar H, U.S. Patent Application 11/420, 413[P]. 2006-5-25.

[3] Han L, Zhang Y, Li H, Li L, Colloids Surf. A: Physicochem. Eng. Asp., 334, 176 (2009)

[4] Brothers PD, Gangal SV, U.S. Patent 7,705,074[P]. 2010-4-27.

[5] Howell JL, Lu N, Perez EW, Friesen CM, Novak I, Waterfeld A, Thrasher JS, J. Fluor. Chem., 125, 1513 (2004)

[6] Hill JT, J. Macromol. Sci.-Phys., 8, 499 (1974)

[7] Kasai PH, Tang WT, Wheeler P, Appl. Surf. Sci., 51, 201 (1991)

[8] Howell J, Hofmann M, Waterfeld A, Sipyagin A, Friesen C, Thrasher JS, J. Fluor. Chem., 89, 131 (1998)

[9] Ogino K, Murakami H, Ishikawa N, Jpn. Oil Chem. Soc., 32, 96 (1983)

[10] Radhakrishnan K, Switek KA, Hillmyer MA, J. Polym. Sci. A: Polym. Chem., 42(4), 853 (2004)

[11] Ni HB, Li ZH, Dou HY, Li H, Zhao CX, J. Fluor. Chem., 127, 1036 (2006)

[12] Xiao J, Zhao Z, Application Principle of Surfactants, Chemical Industry Press, Beijing, 2003.

[13] Yang X, Xu C, Huang H, China Surfactant Deterg. Cosmet., 1, 26 (1998)

[14] Sawada H, Tanba KI, Itoh N, Hosoi C, Oue M, Baba M, Kawase T, Mitani M, Nakajima H, J. Fluor. Chem., 77, 51 (1996)

[15] Sawada H, Yoshino Y, Ikematsu Y, Kawase T, Eur. Polym. J., 36, 231 (2000)

[16] Rosen MJ, Kunjappu JT, Surfactants and Interfacial Phenomena, John Wiley & Sons, 2012.

[17] Shanks P, Franses E, J. Phys. Chem., 96, 1794 (1992)

[18] Stodghill SP, Smith AE, O'Haver JH, Langmuir, 20(26), 11387 (2004)

[19] Jiao JJ, Han B, Lin MJ, Cheng N, Yu L, Liu M, J. Colloid Interface Sci., 412, 24 (2013)

[20] Yoshimura T, Ohno A, Esumi K, Langmuir, 22(10), 4643 (2006)

[21] Dukhin SS, Kretzschmar G, Miller R, Dynamics of Adsorption at Liquid Interfaces: Theory, Experiment, Application, Elsevier, 1995.

[22] Eastoe J, Dalton J, Adv. Colloid Interface Sci., 85, 103 (2000)

[23] Chang CH, Franses EI, Colloids Surf. A: Physicochem. Eng. Asp., 100, 1 (1995)

[24] Prosser AJ, Franses EI, Colloids Surf. A: Physicochem. Eng. Asp., 178, 1 (2001)

[25] Hua XY, Rosen MJ, J. Colloid Interface Sci., 124, 652 (1988)

[26] Kalyanasundaram K, Thomas J, J. Am. Chem. Soc., 99, 2039 (1977)

[27] Baines FL, Armes SP, Billingham NC, Tuzar Z, Macromolecules, 29(25), 8151 (1996)

[28] Rodriguez-Hernandez J, Checot F, Gnanou Y, Lecommandoux S, Prog. Polym. Sci, 30, 691 (2005)

[29] Asakawa T, Ishino S, Hansson P, Almgren M, Ohta A, Miyagishi S, Langmuir, 20(17), 6998 (2004)

[30] Almgren M, Wang K, Asakawa T, Langmuir, 13(17), 4535 (1997)

[31] Hong HY, Mai YY, Zhou YF, Yan DY, Cui J, Macromol. Rapid Commun., 28(5), 591 (2007)

[32] Prabhu KN, Fernades P, Kumar G, Mater. Des., 30, 297 (2009)

[33] Ivanova N, Zhantenova ZB, Starov V, Colloids Surf. A: Physicochem. Eng. Asp., 413, 307 (2012)