Thermogravimetric analysis susceptibility

In this study, we extend the range of inorganic materials produced from polymeric precursors to include copper composites. Soluble complexes between poly(2-vinylpyridine) (P2VPy) and cupric chloride were prepared in a mixed solvent of 95% methanol 5% water. Pyrolysis of the isolated complexes results in the formation of carbonaceous composites of copper. The decomposition mechanism of the complexes was studied by optical, infrared, x-ray photoelectron and pyrolysis mass spectroscopy as well as thermogravimetric analysis and magnetic susceptibility measurements. 

Several samples of YBa2Cu307 x with controlled stoichiometries, 0.04 < x < 1.00, have been prepared and characterized by thermogravimetric analysis, differential scanning calorimetry, magnetic susceptibility and Meissner effect measurements. 

Thermogravimetric analysis (TGA) is one of the most commonly used techniques to study the primary reactions of the decomposition of polymers and other materials. TGA is also useful for the characterization and evaluation of polymer thermal stability. Although synthetic mbber nano composites have excellent mechanical properties, these properties may interfere with its low thermal stability. This may cause the polymer chain to be more susceptible to degradation. Degradation usually starts from a head-to-head stmcture, a site of unsaturation or a tertiary carbon atom [77]. 

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