Abstract
In this work, a series of isovanillin-or syringaldehyde-based new Schiff base monomers were synthesized and polymerized using terephthaloyl chloride by solution condensation polymerization technique. Both the monomers and polymers were characterized by FT-IR, 1H-NMR, and 13C-NMR. The thermal and molecular weight properties were determined by thermogravimetric analysis (TGA) and Gel permeation chromatography (GPC). The antimicrobial activities of the polyesters were evaluated based on minimum inhibition concentration against bacteria such as Escherichia coli, Vibrio parahaemolyticus, and staphylococcus aureus as well as fungi such as Candida albicans and Aspergillus niger. The results of inhibition zones showed that new Schiff base polyesters had good antimicrobial activity.
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