Study of poly (sodium-4-styrenesulfonate) behavior in water/non-solvent mixtures by conductivity and refractive index measurements

Study of poly (sodium-4-styrenesulfonate) behavior in water/non-solvent mixtures by conductivity... In this research paper, we intend to describe some characteristics and properties of polyelectrolyte as well as its specific behavior in mixed media. We have studied the behavior of poly (sodium-4-styrenesulfonate) (PSS) in water/ethanol media under temperature, concentration and non-solvent (ethanol) addition effects by conductivity and refractive index measurements. The average molecular weight of PSS was about 1,000,000 g mol−1. In the first part of this work, we have tested the validity of the Manning’s theory for this system, where the equivalent conductivity was calculated over the temperature and concentration range. A major discrepancy between the experimental and the calculated equivalent conductivity was observed. In a second part, we have measured the refractive indices of PSS in water/ethanol mixtures. The specific volumes of PSS were deduced according to Lorentz-Lorenz equation for all the mixture’s compositions and the studied temperature range. A correlation between the PSS structure and the variation of its specific volume was shown. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Colloid Polymer Science Springer Journals

Study of poly (sodium-4-styrenesulfonate) behavior in water/non-solvent mixtures by conductivity and refractive index measurements

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Publisher
Springer Berlin Heidelberg
Copyright
Copyright © 2017 by Springer-Verlag Berlin Heidelberg
Subject
Chemistry; Polymer Sciences; Soft and Granular Matter, Complex Fluids and Microfluidics; Characterization and Evaluation of Materials; Physical Chemistry; Food Science; Nanotechnology and Microengineering
ISSN
0303-402X
eISSN
1435-1536
D.O.I.
10.1007/s00396-017-4104-y
Publisher site
See Article on Publisher Site

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