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Synthesis and Spectral Analysis of Copolyesters

Sayeeda Sultana, S. Guna Sekaran and T. Venkata Raman

Copolyesters are one of the most important class of polymers with repeating carboxylate group in their backbone. In the present work, copolyesters based on adipoyl chloride with aromatic diols were synthesized by solution polycondensation method. Vibrational band assignment has been made for some of the specific modes of vibration observed from FTIR spectra. The UV-Visible absorbance spectra of the polymeric material have been taken and the nature of chromophore present in the polymer chain is identified.