Journal Article

PreJuSER-20142

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png Ultrasoft Colloid-Polymer Mixtures: Structure and Phase Diagram

Lonetti, B.FZJ* ; Camargo, M. ; Stellbrink, J.FZJ* ; Likos, C. N. ; Zaccarelli, E. ; Willner, L.FZJ* ; Lindner, P. ; Richter, D.FZJ*

2011
APS College Park, Md.

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Please use a persistent id in citations: http://hdl.handle.net/2128/7426  doi:10.1103/PhysRevLett.106.228301

Abstract: Binary mixtures of ultrasoft colloids and linear polymer chains were investigated by small-angle neutron scattering and liquid state theory. We show that experimental data can be described by employing recently developed effective interactions between the colloid and the polymer chains, in which both components are modeled as point particles in a coarse-grained approach, in which the monomers have been traced out. Quantitative, parameter-free agreement between experiment and theory for the pair correlations, the phase behavior and the concentration dependence of the interaction length is achieved.

Keyword(s): J

Note: We thank H. Colfen for polymer characterization and C. Mayer for helpful discussions. M. C. thanks DAAD (Germany) and UAN-ICETEX-Colciencias (Colombia) for a PhD. Fellowship. This work was supported by the DFG-SFB TR6 and by the ITN-234810-COMPLOIDS.

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Contributing Institute(s):

1. Neutronenstreuung (ICS-1)
2. Neutronenstreuung (JCNS-1)

Research Program(s):

1. BioSoft: Makromolekulare Systeme und biologische Informationsverarbeitung (P45)
2. Großgeräte für die Forschung mit Photonen, Neutronen und Ionen (PNI) (P55)

Appears in the scientific report 2011

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