Vinyl ester/C-MMT nanocomposites: investigation of mechanical and antimicrobial properties

Document Type : Research Article


1 Faculty of Polymer Engineering, Sahand University of Technology, P.O. Box 51335-1996, Tabriz, Iran

2 Polymer Department, Technical Faculty, South Tehran Branch, Islamic Azad University, Tehran, Iran


Vinyl ester (VE) resins are various applications because of their good resistance excellent and mechanical properties. In this study, red chili particles were incorporated in the sodium montmorillonite (Na+-MMT) structure and the effect of adding new nanoparticles (C-MMT) on the properties of VE was investigated. The C-MMT was characterized using ultraviolet-visible-near infrared (UV-VIS-NIR) and scanning electron microscopy (SEM). The nanocomposites and VE were investigated by SEM, mechanical and antimicrobial properties. The results obtained from UV-VIS-NIR and SEM confirmed the formation of C-MMT and showed that particles of chili were placed between the layers and also on the surface. The presence of chili in the structure created antimicrobial properties. Chili with capsaicinoids groups can disrupt the activities of bacteria. Therefore, the nanocomposite showed inhibitor and killing against Bacillus subtilis and Escherichia coli. Also, the results showed that Bacillus subtilis was more vulnerable to chili. The results of mechanical properties showed that by increasing the C-MMT content, the mechanical properties are improved.


Main Subjects

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