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Ravikumar L.,Cbm College Affiliated With Bharathiyar University | Pradeep I.,Cbm College Affiliated With Bharathiyar University | Thangaiyan T.,Cbm College Affiliated With Bharathiyar University | Mohan R.,Cbm College Affiliated With Bharathiyar University | Balachandran J.,Cbm College Affiliated With Bharathiyar University
International Journal of Polymeric Materials and Polymeric Biomaterials | Year: 2012

Three new polyazomethines having phenylthiourea groups were synthesized through solution polycondensation of terephthalaldehyde with 4,4′-bis(thiourea)biphenyl ether, 4,4′-bis(thiourea)biphenylmethane, and 4,4′-bis(thiourea)biphenyl sulphone. For comparison purposes, simple polyazomethines were prepared by the polycondensation of terephthalaldehyde with 4,4′-diaminodiphenyl ether, 4,4′-diaminodiphenylmethane, and 4,4′-diaminodiphenyl sulphone. Poly(imine)s having phenylthiourea groups were characterized through IR and 1H-NMR spectroscopic methods and the thermal stability of the polymers were evaluated through TGA analysis. Conductivity of polyaniline synthesized in aqueous p-toluenesulfonic acid was found to be 3.83Scm-1. The conductivity of the polymeric blends with polyaniline dopped with p-toluenesulfonic acid and HCl (20% by weight) were found to be in the range 0.16×10-3-5.7-10-3 Scm -1. Copyright © Taylor & Francis Group, LLC. Source

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