THERMAL STUDIES OF  POLYPYRROLE- NiZnFe2O4   NANOCOMPOSITES

THERMAL STUDIES OF POLYPYRROLE- NiZnFe2O4 NANOCOMPOSITES
Author(s):
Shanthala V.S., Shobha Devi . S.N., Murugendrappa M. V.
Keywords:
Polypyrrole, nanocomposites, Nickel zinc iron oxide, TGA/DTA, Thermal properties, Thermal degradation
Abstract
Thermal behavior and thermal stability of polypyrrole and Polypyrrole - NiZnFe2O4 (10% - 50%) nanocomposites prepared by in-situ polymerization method were studied by Thermogravimetric Analysis (TGA) and Differential thermal analysis (DTA) techniques. Thermo gravimetric analysis showed significant decrease in weight loss in nanocomposites compared to pure Ppy indicating decrease in thermal stability of the host matrix due to the incorporation of nano particles. All nanocomposites exhibit almost same thermal behavior as that of host polymer Ppy. Differential thermal analysis reveals the existence of a endothermic peak and an exothermic one corresponding to various physical and chemical changes taking place in pure polymer and composites subjected to heating.
Article Details
Unique Paper ID: 143716 Publication Volume & Issue: Volume 3, Issue 1 Page(s): 198 - 203
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