Journal
JOURNAL OF CHEMICAL PHYSICS
Volume 135, Issue 8, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.3624754
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Funding
- Unilever, Inc.
- Delaware Center for Neutron Science
- National Institute of Standards and Technology (NIST), U.S. Department of Commerce [70NANB7H6178]
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We derive a statistical mechanical model for colloidal interactions mediated by polymer-like micelles (PLMs) that adsorb at the colloid surface. The model considers the end-adsorption and reversible scission of ideal chains, and is based on experimentally measurable parameters relevant to PLMs. The model predicts interparticle attractions due to micellar bridging that are stronger and longer-range than those encountered in ordinary telechelic polymers. Mapping the analytical potential onto the more familiar Double Yukawa potential allows, for the first time, accurate, a priori prediction of suspension microstructure and phase behavior when compared to experimental data for model nanoparticles dispersed in wormlike micelles over a range of solution conditions. (C) 2011 American Institute of Physics. [doi:10.1063/1.3624754]
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