Volumetric behavior of athermal dendritic polymers: Monte Carlo simulation

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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.
Original languageEnglish
Pages (from-to)2266-2272
Number of pages6
JournalMacromolecules
Volume33
Issue number6
DOIs
Publication statusPublished - 2000

Keywords

  • angle neutron-scattering
  • integral-equation theory
  • hard-sphere chains
  • molecular-dynamics
  • starburst dendrimers
  • pamam dendrimers
  • state
  • macromolecules
  • transition
  • viscosity

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