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Journal of Polymer Research
Published in: Journal of Polymer Research 7/2013

01-07-2013 | Original Paper

Estimating viscosity and polarity in the microenvironment of polymeric gels—introducing a microviscosity parameter

Authors: Maneesha Esther Mohanty, Ashok Kumar Mishra

Published in: Journal of Polymer Research | Issue 7/2013

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Abstract

Estimation of micropolarity and microfluidity at the water-polymer interface is important in understanding the physicochemical behavior of polymeric gels in the context of their wide biomedical applications. In this work, fluorescence studies of 8-Anilino-1-naphthalene-sulphonate (ANS) were used to introduce a new microviscosity parameter. Z and ET(30) solvent polarity scales were found to work well in resolving the polarity differences in various polyacrylamide gel compositions. A microviscosity parameter τη is an easy-to-estimate parameter that was used to follow the changes in microviscosity with changes in polymer composition. The microviscosity parameter could efficiently estimate the increase of microviscosity with increase in the crosslinker, as well as initiator concentrations at the same monomer concentration.
previous article Controllable preparation of branched polyethylene with different microstructures via chain transfer ethylene polymerization catalyzed by α-diimine Ni complex/methylaluminoxane/diethylzinc
next article The crystallization rate and morphological structure of poly(ethylene/trimethylene terephthlate) copolyesters under isothermal melt-crystallization and cold-crystallization

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Metadata
Title
Estimating viscosity and polarity in the microenvironment of polymeric gels—introducing a microviscosity parameter
Authors
Maneesha Esther Mohanty
Ashok Kumar Mishra
Publication date
01-07-2013
Publisher
Springer Netherlands
Published in
Journal of Polymer Research / Issue 7/2013
Print ISSN: 1022-9760
Electronic ISSN: 1572-8935
DOI
https://doi.org/10.1007/s10965-013-0185-6

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