Volumetric behavior of athermal dendritic polymers: Monte Carlo simulation

Lue, L. (2000) Volumetric behavior of athermal dendritic polymers: Monte Carlo simulation. Macromolecules, 33 (6). pp. 2266-2272. ISSN 0024-9297 (http://dx.doi.org/10.1021/ma991340b)

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Abstract

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, owing 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 that increases more rapidly with concentration.

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