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Synthesis, Characterization and Study of Thermally Stable Fluorescent Polyesters

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Abstract: Numerous polyesters containing heterocyclic ring have been synthesized by the polycondensation method. Ten Polyesters were synthesised having different aliphatic-aromatic diols in the chain having s-triazine ring as main moiety. The polyesters were synthesized by polycondensation of 6-(N-Piperidinyl)-2,4-bis-(7-Hydroxy-Coumarin-3-carbonyl Chloride)-1,3,5-triazine [PCTC] with aliphatic and aromatic diols. Dark brown, light brown, golden and maroon colour showed by novel synthesized polyesters. The solubility of synthesized polyesters was observed in different solvents. The viscosity was studied for all the polyesters. This polyester showed inherent viscosity ranging from 0.402- 0.709 dlg-1in DMF at 25°C. The synthesized polyesters were characterized by 1H-NMR, FT-IR, fluorescence spectra. Fluorescent polymers are macromolecules with enormous important applications. The measured data indicates the synthesized aliphatic-aromatic fluorescent polyesters, focussing on synthetic methods, properties and applications. Due to their unique mechanical property and workability, their emerging applications involve the fields of fluorescent probe, smart polymer machines, chemo sensors, biological imaging, PH/temperature sensor, drug delivery and in many fields. Moreover high quality fluorescent polymers give widespread application in advanced bio imaging, ultrasensitive molecular diagnosis, and novel light emitting nano devices.


International Letters of Chemistry, Physics and Astronomy (Volume 70)
D. V. Vasava and S. K. Patel, "Synthesis, Characterization and Study of Thermally Stable Fluorescent Polyesters", International Letters of Chemistry, Physics and Astronomy, Vol. 70, pp. 48-62, 2016
Online since:
Sep 2016