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Synthesis, Characterization, and Antimicrobial Studies of Newly Developed Metal-chelated Epoxy Resins by Nahid Nishat; Sharif Ahmad; Tansir Ahamad is a Materials Science article available to read on EtoBox.

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## Abstract A series of novel metal‐chelated epoxy resins have been synthesized by the condensation of epichlorohydrin (1‐chloro‐2, 3 epoxy propane) with bisphenolic metal chelates in alkaline medium. The bisphenolic chelates were initially prepared by the reaction of 3‐formyl‐4, 4′‐dihydroxy diphenyl methane and diamine (ethylenediamine/__o__‐phenylenediamine) in 1:2 molar ratio and then with Cu(II), Ni(II), and Co(II) acetate. The metal‐chelated epoxy resins were characterized by various instrumental techniques, such as elemental analysis, DSC and TGA, electronic, FTIR, ^1^H‐NMR, and ^13^C‐NMR spectra. The physicochemical properties, viz., epoxide equivalent weight (eq/100 g), hydroxyl value (eq/100 g), refractive index, specific gravity, and specific viscosity were measured by standard procedures. The antimicrobial activities of these chelated resins were screened against __Escherichia coli, Staphylococcus aureus, Bacillius subtilis__ (bacteria), and __Candida albicans, Mucor species__ (yeast) by using agar well diffusion method. All the polymeric chelates show promising antimicrobial activities. Among these polymeric chelates (ERPD)‐Cu(II) shows better antimicrobial activities,

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Author

Nahid Nishat; Sharif Ahmad; Tansir Ahamad

Publisher

John Wiley and Sons; Wiley (John Wiley & Sons); John Wiley & Sons Inc.; Wiley (ISSN 0021-8995)

Published

2006

Language

EN

Field

Materials Science (Physical Sciences)