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Title: Polyaniline-octylbenzenesulfonic acid: Characterization and synthesis in normal and reverse phase
Authors: Ahmad, Naseer
Naseer, Shabnam
Norman, Michael
Keywords: Polyaniline;octylbenzenesulfonic acid;reverse phase;polypyrrole
Issue Date: Jul-2005
Publisher: CSIR
IPC Code: Int.Cl.7 C 07 C 309/28
Abstract: Polyaniline base is soluble and non-conducting whereas the polyaniline salt form is insoluble and conducting. An attempt has been made to synthesize a polyaniline (Emer) which combines the two properties in one polymer. Polyaniline –octylbenzenesulfonic acid is thus synthesized in direct and reverse phases. Elemental analysis and TGA show it to be Emer 2.5 .OBSA 5.0 .5.0 H2O. Its solubility is 80% in TMU and conductivity is ~7 × 10-5 ohm-1cm-1. IR spectra show that it is in a low oxidation state as compared to Emeraldine and hence its conductivity is low, which may also be due to larger inter- chain distance caused by the bulky OBSA.
Page(s): 1536-1537
ISSN: 0975-0983(Online); 0376-4699(Print)
Appears in Collections:IJC-B Vol.44B(07) [July 2005]

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