Investigation of antibacterial properties of melamine coatings containing chitosan and clay nanofibers | ||
| تحقیقات علوم چوب و کاغذ ایران | ||
| Article 6, Volume 37, Issue 3 - Serial Number 80, September 2022, Pages 239-250 PDF (1.08 M) | ||
| Document Type: Research Paper | ||
| DOI: 10.22092/ijwpr.2022.124689.1513 | ||
| Authors | ||
| Abdolah Elyasy* 1; Taghi Tabarsa2; Hamidreza Mansouri3; Alireza Shakeri4 | ||
| 1, PhD student,Wood Composite Products of Gorgan University of Agricultural Sciences and Natural Resources, Gorgan, Iran, | ||
| 2Master of Wood Composite Products of Gorgan University of Agricultural Sciences and Natural Resources, Gorgan, Iran | ||
| 3Associate professor and engineer of wood and paper industry of Zabol University, Iran | ||
| 4Associate Prof., Industrial Polymer, Department of Chemistry, Tehran University, Tehran, Iran | ||
| Abstract | ||
| Researches on antimicrobial coatings to protect surfaces from remnants of microorganisms on the surfaces in the environment that can lead to the spread of diseases in human societies, has attracted a remarkable interest. In this regard, the effects of chitosan nanofibers and clay nanoparticles (sodium montmorillonite) on antibacterial properties of melamine coatings were investigated. Urea formaldehyde and melamine formaldehyde resins were prepared by adding nanomaterials to each of them 1% by weight using a mechanical-ultrasound mixing method. The distribution and presence of nanomaterials in the resin and the antibacterial properties of melamine coatings were studied. To investigate the antibacterial properties of melamine coatings prepared, two type Gram-positive bacteria (Staphylococcus aureus) and Gram-negative bacteria (Escherichia coli) were used. The results of X-ray diffraction and field-emission electron microscopy images, confirmed the proper distribution of chitosan nanofibers and clay nanoparticles in the polymer. The results also showed that by adding nanomaterials to the resins used in the melamine coating, the antibacterial properties of the coatings can be remarkably improved. On the other hand, the study of antibacterial properties of coatings showed that chitosan nanofibers had stronger antibacterial properties than clay montmorillonite Na+ nanoparticles. | ||
| Keywords | ||
| Melamine coating; clay montmorillonite Na+ nanoparticles; chitosan nanofibers; antibacterial; Staphylococcus aureus; Escherichia coli | ||
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