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Vol. 30 No. 4 (2018): Vol 30 Issue 4

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Novel Hyperbranched Polyester Prepared via One Pot Polycondensation as Scaffold for Silver Nanoparticles

https://doi.org/10.14233/ajchem.2018.21143
C. Kavitha
Department of Chemistry, Adhiyaman Arts & Science College for Women, Uthangarai, Krishnagiri-635 207, India
K. Priya Dasan
Material Chemistry Division, Vellore Institute of Technology, Vellore-632 014, India
K. Vidhya
Department of Chemistry, Adhiyaman Arts & Science College for Women, Uthangarai, Krishnagiri-635 207, India
V. Thendral
Department of Chemistry, Adhiyaman Arts & Science College for Women, Uthangarai, Krishnagiri-635 207, India

Corresponding Author(s) : C. Kavitha

kavithac1506@gmail.com

Asian Journal of Chemistry, Vol. 30 No. 4 (2018): Vol 30 Issue 4

Abstract

In this paper, novel water soluble hyperbranched polyester (HBPE) was synthesized by the reaction of 2,2',2"-nitrilotriethanol (B3) and 2,3-dihydroxybutanedioic acid (A2B2) by the method polycondensation using p-toluenesulfonic acid as an acid catalyst. The reaction was carried out in different molar ratio for different generations such as G1, G2 and G5, respectively. The water soluble HBPE were coupled with help of acrylic acid to enhance the end groups. Their structures were characterized by FT-IR spectroscopy, NMR (1H and 13C) and molecular weights were measured by GPC and TGA. Silver nanoparticles were synthesized by a technique used reductive technique using HBPEs as matrix. Transmission electron microscope (TEM), UV-visible spectroscopy and X-ray diffraction (XRD) were used to characterize the structure of the particles, respectively. The thermal behaviour of pure polymer and polymer with silver nanoparticles has been studied by TGA. The antibacterial efficiency was evaluated against two common pathogenic bacteria S. aureus and E. coli.

Keywords

Soluble hyperbranched polyester 2,2',2 Acrylic coating Silver nanoparticles Antibacterial activity
Kavitha, C., Dasan, K. P., Vidhya, K., & Thendral, V. (2018). Novel Hyperbranched Polyester Prepared via One Pot Polycondensation as Scaffold for Silver Nanoparticles. Asian Journal of Chemistry, 30(4), 827–833. https://doi.org/10.14233/ajchem.2018.21143
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