We present results of Monte Carlo simulations for dilute to concentrated solutions of athermal, homogeneous dendritic polymers. The dendritic polymers are composed of tangent hard-spheres and vary from generation-0 to generation-5. These simulations investigate the effect of hyperbranching on the structure and thermodynamics of polymer solutions. At low concentrations, dendritic polymers systems have a lower pressure than linear polymers of the same molecular weight, due to the more compact architecture of the dendrimer. In the concentrated polymer regime, solutions containing low generation dendrimers behave similarly to linear polymers, while those containing high generation dendrimers have a pressure which increases more rapidly with concentration.

• Contact: Leo Lue