Synthesis, Characterization and Thermal Behaviour Studies of Terpolymer Resin Derived From 8-Hydroxyquinoline-5-Sulphonic Acid and Anthranilic Acid

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Author(s): W. B. Gurnule*, Y. U. Rathod

Journal Name: Current Applied Polymer Science

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Background: Terpolymer having versatile applications in adhesives, electroluminescent devices, packaging, coating materials, ion exchanger and hardener for epoxy resin.

Objective: In the present investigation, our main aim was to synthesize terpolymer using 8-hydroxyquinoline-5-sulphonic acid, anthranilic acid and formaldehyde (8-HQ-5-SAAF) via polycondensation method and to evaluate thermal properties of terpolymer.

Materials and Methods: 8-Hydroxyquinoline-5-sulphonic acid, anthranilic acid and formaldehyde were used for synthesis. Terpolymer was obtained by employing polycondensation method.

Results: TGA analysis shows that the synthesized terpolymer resin was thermally stable. The activation energy calculated by Freeman-Carroll and Sharp-Wentworth methods has been found to be in good agreement with each other. The low value of frequency factor and negative entropy value indicates that the thermal decomposition would be a slow reaction.

Conclusion: The thermal energy of activation calculated by using Sharp-Wentworth and Freeman-Carroll methods are found to be nearly identical. The terpolymer 8-HQ-5-SAAF starts degradation at high temperature, showing that this polymer resin is thermally stable.

Keywords: Terpolymer, Thermal analysis, Spectral study, Morphology, anthranilic acid, 8-hydroxyquinoline-5-sulphonic acid

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(E-pub Ahead of Print)
DOI: 10.2174/2452271604666200116101454

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