Issue 13, 2011

High swelling ability of polystyrene-based polyelectrolyte gels at low temperature

Abstract

Molecular design of polymer gels that exhibit high swelling degrees at low temperature was demonstrated with the aid of repulsive interaction among the polymer chains in the ionic polymer gels and the utility of organic solvents with relative low melting points. A small amount of tetraalkylammonium tetraphenylborate as ionic groups was incorporated into cross-linked polystyrene to yield novel ionic polymer gels. The swelling degrees at room temperature (23 °C) were about 100 times as much as their dried weights in various organic solvents. Moreover, they swelled and absorbed some organic solvents such as THF and dichloromethane at low temperature (−80 °C), and the swelling degrees were similar to those at room temperature.

Graphical abstract: High swelling ability of polystyrene-based polyelectrolyte gels at low temperature

Supplementary files

Article information

Article type
Communication
Submitted
29 Mar 2011
Accepted
04 May 2011
First published
26 May 2011

Soft Matter, 2011,7, 5938-5940

High swelling ability of polystyrene-based polyelectrolyte gels at low temperature

K. Iseda, M. Ohta, T. Ono and K. Sada, Soft Matter, 2011, 7, 5938 DOI: 10.1039/C1SM05542A

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