Synthesis, Characterization of New di Schiff base Derivatives from Dapsone, Their Polymerization and Thermal Study
Keywords:
compounds, phenolic resin, polyester resin, H-NMR, Mass Spectra, TGAAbstract
Schiff bases were containing (-C=N-) functional group and found to be a versatile compound. In this study new three Schiff bases compounds were prepared in the presence of catalyst through condensation products of 4,4'-sulfonyldianiline with carbonyl compounds using microwave. These compounds characterized by using FTIR, H-NMR and Mass spectroscopy. Also, they were polymerized to produce poly ester and phenolic resin through condensation polymerization, their thermal stability was evaluate using (TGA and DSC) techniques, the result show that the polymers have decomposition temperature more than 150 C0 and also the results show that the weight residue more than 70%, and the phenolic resin was more stable than polyester.
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