[SY-H3] Symposium H-3

[SY-H3] Structural properties of mixtures of stars polymers and long chains

^○Emanuele Locatelli¹, Daniele Parisi^2,3, Maria Merola², Domenico Truzzolillo⁴, Mario Gauthier⁵, Christos N. Likos¹, Dimitris Vlassopoulos^2,3 (1.Faculty of Physics, University of Vienna, Austria, 2.Institute of Electronic Structure and Laser, FORTH, Greece, 3.Department of Materials Science and Technology, University of Crete, Greece, 4.Laboratoire Charles Coulomb, UMR 5221 CNRS - Universitè de Montpellier, France, 5.Faculty of Science, University of Waterloo, Canada)

We employ a novel coarse-graining approach[6], to study star-chain mixtures[1-4], in the limit of long chains. The coarse-grained approach is based on the calculation of the effective interaction between a star polymer and a short chain of length N_c =10 at infinite dilution. A multi-blob-like approach is then employed to coarse-grain chains of arbitrary length N_c . We study mixtures of star polymer and linear chains in the protein limit, i.e. when q = R_h^c/R_h^s >1 . We find that the addition of linear chains makes the star fluid more structured, confirming experimental observation obtained through rheological measurements.
[1] E. Stiakakis, et al. Physical Review Letters, (2002).
[2] E. Stiakakis, et al. Europhysics Letters, (2005).
[3] M. Camargo and C.N. Likos. Physical Review Letters, (2010).
[4] B. Lonetti, et al. Physical Review Letter, (2011).
[5] C. Pierleoni, B. Capone, and J.P. Hansen. Journal of Chemical Physics, (2007).
[6] Locatelli, B.Capone and C.N. Likos. Journal of Chemical Physics (2016)