Facile Determination of Molecular Structure Trends in Amphiphilic Core Corona Star Polymer Synthesis via Dielectric Property Measurement

Macromol Rapid Commun. 2016 Aug;37(15):1295-9. doi: 10.1002/marc.201600149. Epub 2016 Jun 17.


The use of dielectric property measurements to define specific trends in the molecular structures of poly(caprolactone) containing star polymers and/or the interbatch repeatability of the synthetic procedures used to generate them is demonstrated. The magnitude of the dielectric property value is shown to accurately reflect: (a) the number of functional groups within a series of materials with similar molecular size when no additional intermolecular order is present in the medium, (b) the polymer molecular size for a series of materials containing a fixed core material and so functional group number, and/or (c) the batch to batch repeatability of the synthesis method. The dielectric measurements are validated by comparison to spectroscopic/chromatographic data.

Keywords: cavity perturbations; dielectric properties; star polymers; structure determination.

MeSH terms

  • Biocompatible Materials / chemical synthesis*
  • Dielectric Spectroscopy
  • Molecular Structure
  • Polyesters / chemical synthesis*
  • Surface-Active Agents / chemical synthesis*
  • Temperature


  • Biocompatible Materials
  • Polyesters
  • Surface-Active Agents
  • polycaprolactone