[KSCI] Korea Science Citation Index Service

Rheology of Decamethylceclopentasiloxane (cyclomethicone) W/O Emulsion System

Choi, Min-Hyung (Department of Chemical Engineering, Inha University)
Jeong, So-Ra (Department of Chemical Engineering, Inha University)
Nam, Sang-In (Department of Chemical Engineering, Inha University)
Shim, Sang-Eun (Department of Chemical Engineering, Inha University)
Chang, Yoon-Ho (Department of Chemical Engineering, Inha University)

Publication Information

Macromolecular Research / v.17, no.12, 2009 , pp. 943-949 More about this Journal

Abstract

A highly dispersed W/O emulsion of silicone oil (cyclomethicone)/water system was prepared with a nonionic surfactant. The surface and interfacial tension between the oil and water were characterized in terms of the droplet size distribution and viscosity change of the emulsion. When the dispersed phase concentration was relatively high, the viscosity of the emulsion was rapidly increased and the droplet size of the emulsion was decreased. The rheological behavior of the emulsion system showed non-Newtonian and shear thinning phenomena depending upon the content of the dispersed phase. The droplet size of the emulsion was decreased with increasing surfactant content and water concentration. The relative viscosity of the emulsion was better predicted with the Choi-Schowalter model than with the Taylor model. The value of the complex modulus increased with increasing surfactant concentration. The linear viscoelastic region was expanded with a dispersed phase concentration. According to the change in the viscosity, the behavior was classified into three distinct regions: [I] linear viscoelastic, [II] partially viscoelastic, and [III] viscous. The creep/recovery behaviors in each region were characterized.

Keywords

rheology; silicone; W/O emulsion; surfactant; shear thinning;

Citations & Related Records

Times Cited By Web Of Science : 1 (Related Records In Web of Science)
Times Cited By SCOPUS : 1

Reference
Cited By SCOPUS

1	Y. Chen and H. Conrad, ASME FED., 249, 105 (1999)
2	A. S. Patole, S. P. Patole, M. H. Song, Y. J. Yoon, J. Kim, and T. H. Kim, Elastom. Compos., 44, 34 (2009)
3	C. I. Zoldesi, P. Steegstra, and A. Imhof, J. Colloid Interf. Sci., 308, 121 (2007) DOI ScienceOn
4	D. Y. Kim and W. S. Shin, Macromol. Res., 17, 128 (2009) DOI
5	R. Pal, in Encyclopedia of Emulsion Technology, P. Becher, Ed., Dekker, New York, 1996, Vol. 4
6	K. Shinoda, H. Saito, and H. Arai, J. Colloid Interface Sci., 35, 624 (1971) DOI ScienceOn
7	E. Hatschek, Foundation of colloid chemistry, London, 1925
8	S. M. Lee, D. C. Shim, and J. W. Lee, Macromol. Res., 16, 6 (2008) DOI
9	J. Robert, D. Stokes, and E. Fennell, Fundamentals of interfacial engineering, Wiley-VCh, Inc., U.S.A, 1997, p 212
10	G. I. Taylor, Proc. R. Soc. A, 138, 41 (1932) DOI
11	J. H. Schulman, W. Stoeckenius, and L. M. Prince, J. Phys. Chem., 63, 1977 (1959) DOI
12	S. J. Choi and W. R. Schowalter, Phys. Fluids, 18, 420 (1975) DOI
13	R. U. Wahl, J. R. Nicholson, and J. L. Kerschner, Silicones in personal care applications, ACS Symposium Series, New York, 2007
14	B. Neumann, B. Vincent, R. Krustev, and H. J. Mueller, Langmuir, 20, 4336 (2004) DOI ScienceOn
15	J. C. Hyun, Rheology and Its Applications, The Korean Society of Rheology, Korea, 2001
16	H. A. Barnes, Colloid Surf. A, 91, 89 (1994) DOI ScienceOn
17	Th. F. Tadros, Colloid Surf. A, 91, 39 (1994) DOI ScienceOn
18	Z. L. Peng, Q. Wu, Y. L. Wang, and S. T. Yang, J. Surf. Deterg., 7, 277 (2004) DOI ScienceOn
19	S. J. Clarson, Science and technology of silicones and silicone-modified materials, Oxford University Press, London, 2007
20	M. Mill, Silicone surfactants, Marcel Dekker, New York, 1999
21	R. B. Dean, Modern colloid, Van Nostrand Reinhold, New York, 1948
22	G. M. Eccleston, J. Soc. Cosmet. Chem., 41, 1 (1990)