TY  - JOUR
AU  - Huang, C.C.
AU  - Winkler, R. G.
AU  - Sutmann, G.
AU  - Gompper, G.
TI  - Semidilute Polymer Solutions at Equilibrium and under Shear Flow
JO  - Macromolecules
VL  - 43
SN  - 0024-9297
CY  - Washington, DC
PB  - Soc.
M1  - PreJuSER-12600
SP  - 10107 - 10116
PY  - 2010
N1  - The financial support by the Deutsche Forschungsgemeinschaft (DFG) within SFB TR6 (project A4) is gratefully acknowledged. We are grateful to the Julich Supercomputer Centre (JSC) for allocation of a special CPU-time grant.
AB  - The properties of semidilute polymer solutions are investigated at equilibrium and under shear flow by mesoscale simulations, which combine molecular dynamics simulations and the multiparticle collision dynamics approach. In semidilute solution, intermolecular hydrodynamic and excluded volume interactions become increasingly important due to the presence of polymer overlap. At equilibrium, the dependence of the radius of gyration, the structure factor, and the zero-shear viscosity on the polymer concentration is determined and found to be in good agreement with scaling predictions. In shear flow, the polymer alignment and deformation are calculated as a function of concentration. Shear thinning, which is related to flow alignment and finite polymer extensibility, is characterized by the shear viscosity and the normal stress coefficients.
KW  - J (WoSType)
LB  - PUB:(DE-HGF)16
UR  - <Go to ISI:>//WOS:000284967000064
DO  - DOI:10.1021/ma101836x
UR  - https://juser.fz-juelich.de/record/12600
ER  -