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- Title
Producing an antibacterial acrylic polyurethane coating with acylated mimosa tannins.
- Authors
Nguyen, Tuan Anh; Hoang, Thu Ha; Do, Truc Vy; Nguyen, Thien Vuong; Hanh Trinh, Thi My; Ha, Minh Nguyet; Duong, Khanh Linh; Lu, Le Trong; Shuib, Raa Khimi; Tran, Dai Lam
- Abstract
This work aims to fabricate the antibacterial coating with green biocide successfully. For this purpose, mimosa tannins were acylated with lauroyl chloride's aid and pyridine's support as a catalyst in the 1,4-dioxane, hexane and xylene solvents. Infrared analysis showed that mimosa tannins synthesized in the 1,4-dioxane were acylated better than in the other two solvents. FE-SEM analysis of the paint film showed that the acylated mimosa tannins at a content of 5 % dispersed quite well in the polymer matrix. The results of analyzing the mechanical properties of the paint film containing acylated mimosa tannins with contents ≤5 % show that the mechanical properties of the paint film are only slightly reduced compared to the mechanical properties of the pure coating, reaching the values: adhesion of size #1; abrasion resistance of 132.8 L/mil; impact strength of 170 kg cm and a relative hardness of 0.78. Antibacterial testing shows that the paint film containing 5 wt% acylated mimosa tannins have good antibacterial activity.
- Subjects
CATALYST supports; ABRASION resistance; IMPACT strength; MIMOSA; ANTIBACTERIAL agents; ACRYLIC coatings; TANNINS
- Publication
Pure & Applied Chemistry, 2024, Vol 96, Issue 8, p1193
- ISSN
0033-4545
- Publication type
Article
- DOI
10.1515/pac-2024-0018