Synthesis, Characterization and Antimicrobial Evaluation of Silver Nanoparticles Embedded Alkyd Resin Derived from Neem Seed Oil.
Journal Title: IOSR Journal of Applied Chemistry (IOSR-JAC) - Year 2018, Vol 11, Issue 2
Abstract
Silver nanoparticles were synthesized by reducing 0.1M silver benzoate salt with 2ml of neem leaf extract, in an eco-friendly, cost effective process. Silver nanoparticles were tested to have strong zones of inhibition on the antibacterial and antifungal isolates; E. Coli, Salmonella typhi, Aspergillus flavus and mucor species used. UV-visible spectrophotometric analysis was carried out on both the silver benzoate salt and silver nanoparticles, which show bathochromic shift from 215nm (Silver benzoate) to 435nm (Silver nanoparticle). Neem seed oil was converted to alkyd resin in two steps; alcoholysis and esterification reactions respectively, and was characterized by FTIR, acid value and solubility. Antimicrobial evaluation was carried out on neem seed oil and its respective alkyd resin. Neem alkyd resin was used in the formulation of paints with percentage Pigment Volume Concentrations (%PVC) of 3 and 4% respectively, and is classified as automotive clearcoat. Chemical resistance, flexibility, light fastness, and drying schedule tests were conducted on the paints and are found to exhibit good properties which are similar to commercial paints. Antimicrobial evaluation of the paints incorporated with silver nanoparticles revealed more inhibition zones than those without silver nanoparticles.
Authors and Affiliations
A Magaji, H Musa, A A Abubakar, H Y Umar
Keywords
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- EP ID EP413965
- DOI 10.9790/5736-1102011320.
- Views 149
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