The explicit crossover behavior of the longest relaxation time for the dilute and semi-dilute polymer solutions is presented. Gradual reduction of the excluded-volume and the hydrodynamic interaction due to screening is taken into account along with the entanglement effect. The result reveals a continuous approach to a reptation-like asymptote with increasing concentration.
Yonggang LiuYonggun JunVictor Steinberg
Jelena DinicYiran ZhangLeidy Nallely JimenezVivek Sharma