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Updated: Dec 31, 2025

Molecular Entanglement and Electrospinnability of Biopolymers
Published on: September 3, 2014
Determination of the Intermolecular Entanglement Coupling Spacings in Polyisoprene by Viscosity Measurements
1National Academy of Sciences-National Research Council Postdoctoral Resident Research Associate.
Abstract:
The entanglement molecular weight (M ) for polyisoprene has been estimated from the dependence of solution viscosity on molecular weight. Polymer concentrations of 1.82, 3.64, and 14.56 g/100 cm3 were used. Certain theoretical relationships between viscosity and molecular weight have been confirmed, and the prediction concerning the dependence of the entanglement molecular weight on polymer concentration has been substantiated. Furthermore, no variation in M was detected in the range of 25 to 75 °C.
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