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Published June 21, 2010 | Published
Journal Article Open

A simple model for the anomalous intrinsic viscosity of dendrimers


The intrinsic viscosity of dendrimers in solution shows several anomalous behaviors that have hitherto not been explained within the existing theoretical frameworks of either Zimm or Rouse. Here we propose a simple two-zone model based on the radial segmental density profile of the dendrimers and combine a non-draining core with a free-draining outer region description, to arrive at a simple formula that captures most of the main features in the intrinsic viscosity data obtained in experiments.

Additional Information

© 2010 The Royal Society of Chemistry. Received 5th March 2010, Accepted 28th April 2010. First published as an Advance Article on the web 14th May 2010. This work was supported by the National Natural Science Foundation of China (NSFC) (No. 20734003) and the Fund for Creative Research Groups (No. 50921062), further subsidized by the Special Funds for National Basic Research Program of China (No. 2009CB930100). T. F. S. thanks the support from NSFC (No. 20774096). L. P. J. thanks the support from NSFC (No. 10573007 and No. 10873006).

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