Journal
FIBERS AND POLYMERS
Volume 13, Issue 2, Pages 153-158Publisher
KOREAN FIBER SOC
DOI: 10.1007/s12221-012-0153-5
Keywords
Polypyrrole; Conductive textiles; Surface resistivity; Degradation; Polyester fibers
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PET fabric is coated with conducting polypyrrole (PPy) by oxidative polymerization from an aqueous solution of Py using ferric chloride hexahydrate (FeCl3) as oxidant and p-toluene sulphonate (pTSA) as dopant. The optimum concentrations for Py, FeCl3 and pTSA were found to be 0.11, 0.857 and 0.077 mol/l respectively, which yielded a conductive fabrics with resistivity as low as 72 Omega/sq. PPy fabric gained resistivity less than one order of magnitude when aged for 18 months at room temperature. The stabilizing effect of the dopant pTSA against thermal degradation was demonstrated; the undoped samples reached resistivity of around 40 k Omega, whereas doped samples reached less than 2 k Omega at the same temperature and time.
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