Issue 9, 2012

Reverse thermal gelation of aromatic solvents by a series of easily accessible organic salt based gelators

Abstract

Exploiting crystal engineering and supramolecular synthon concepts, a series of new gelator salts based on primary ammonium dicarboxylate (PAD) salts of azobenzene-4,4′-dicarboxylic acid and primary alkyl amines have been synthesized and characterized by various physico-chemical techniques. Most of the salts were shown to form gels with various solvents. Interestingly, most of the gelator salts possessed rarely observed reverse-thermal gelation (gelation with the rise of temperature) ability of aromatic solvents which may be relevant in developing thermo-responsive materials.

Graphical abstract: Reverse thermal gelation of aromatic solvents by a series of easily accessible organic salt based gelators

Supplementary files

Article information

Article type
Paper
Submitted
13 Oct 2011
Accepted
12 Dec 2011
First published
23 Jan 2012

Soft Matter, 2012,8, 2595-2598

Reverse thermal gelation of aromatic solvents by a series of easily accessible organic salt based gelators

P. Sahoo, I. Chakraborty and P. Dastidar, Soft Matter, 2012, 8, 2595 DOI: 10.1039/C2SM06957A

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