Abstract
The study of competitive and cooperative adsorption of functionalized molecules such as polymers, rheology modifiers and surfactant molecules on colloidal particles immersed in a solvent is undertaken using coarse-grained, dissipative particle dynamics simulations. The results show that a complex picture emerges from the simulations, one where dispersants and surfactants adsorb cooperatively up to certain concentrations, on colloidal particles, but as the surfactant concentration increases it leads to dispersant desorption. The presence of rheology modifying agents in the colloidal dispersion adds complexity through the association of surfactant micelles to hydrophobic sites of these agents. Analysis of the simulation results reported here point clearly to the self-association of the hydrophobic sites along the different polymer molecules as the mechanism responsible for their competitive and cooperative adsorption.
Access this chapter
Tax calculation will be finalised at checkout
Purchases are for personal use only
References
Glass JE (2000) Associative polymers in aqueous media, ACS Symposium Series 765. Chap. 21, pp 22
Gama Goicochea A (2007) Adsorption and disjoining pressure isotherms of confined polymers using dissipative particle dynamics, Langmuir 23:11656
Gama Goicochea A (2013) Supplementary information for ‘Competitive adsorption of surfactants and polymers on colloids by means of mesoscopic simulations’ in https://www.researchgate.net/profile/Armando_Gama_Goicochea/
Gama Goicochea A, Alarcón F (2011) Solvation force induced by short range, exact dissipative particle dynamics effective surfaces on a simple fluid and on polymer brushes. J Chem Phys 134:014703
Groot RD, Warren PB (1997) Dissipative particle dynamics: bridging the gap between atomistic and mesoscopic simulation. J Chem Phys 107:4423
Hoogerbrugge PJ, Koelman J (1992) Simulating microscopic hydrodynamic phenomena with dissipative particle dynamics. Europhys Lett 19:155–160
Karlson L, Olsson M, Bostrom G, Picullel L (2008) Influence of added surfactant of particle flocculation in waterborne polymer-particle systems. J Coat Technol Res 5:447–454
Kronberg B (2001) Measuring adsorption. In: Krister H (ed) Handbook of applied surface and colloid chemistry 2, Chapter 22. Wiley, Chichester
Murtola T, Bunker A, Vattulainen I, Deserno M, Karttunen M (2009) Multiscale modeling of emergent materials: biological and soft matter. Phys Chem Chem Phys 11:1869–1892
Napper DN (1983) Polymeric stabilization of colloidal dispersions. Academic Press, New York
Acknowledgments
The author is indebted to the following individuals for enlightening discussions: F. Alarcón, M. Briseño, N. López, A. Ortega, H. Ortega, E. Pérez, and F. Zaldo. This work was sponsored in its initial phase by the Centro de Investigación en Polímeros (Grupo Comex), and afterward by PROMEP through project 47310286-912025.
Author information
Authors and Affiliations
Corresponding author
Editor information
Editors and Affiliations
Rights and permissions
Copyright information
© 2014 Springer International Publishing Switzerland
About this chapter
Cite this chapter
Gama Goicochea, A. (2014). Competitive Adsorption of Surfactants and Polymers on Colloids by Means of Mesoscopic Simulations. In: Klapp, J., Medina, A. (eds) Experimental and Computational Fluid Mechanics. Environmental Science and Engineering(). Springer, Cham. https://doi.org/10.1007/978-3-319-00116-6_10
Download citation
DOI: https://doi.org/10.1007/978-3-319-00116-6_10
Published:
Publisher Name: Springer, Cham
Print ISBN: 978-3-319-00115-9
Online ISBN: 978-3-319-00116-6
eBook Packages: Earth and Environmental ScienceEarth and Environmental Science (R0)