Functional processing of PET fabrics using boehmite/silica/thiazole dye hybrid materials |
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Authors: | Ming-Shien Yen Mu-Cheng Kuo Jyh-Hong Wu Cheng-Wei Yeh Wei-Yu Lai |
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Affiliation: | 2. Department of Materials Engineering, Kun Shan University, Tainan, 71003, Taiwan, ROC 1. Nano-Powder and Thin Film Technology Center, Industrial Technology Research Institute, Tainan, 70955, Taiwan, ROC
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Abstract: | A series of hybrid materials composed of boehmite/silica/thiazole dyes and prepared via the sol-gel process is synthesized from aluminum isopropoxide (AIP) and tetraethoxysilane using heteroaryl 2-amino-thiazole azo dyes. Heterocyclic 2-amino-thiazole azo dyes undergo a hydrolysis-condensation reaction with an appropriate proportion of AIP under a catalyst, at a constant ratio of vinyltriethoxysilane (VTES) and tetraethoxysilane (TEOS). The structures of these hybrid materials composed of boehmite/silica/thiazole dyes are characterized using Fourier transform infrared (FT-IR) analysis. The surface morphology of polyethylene terephthalate (PET) fabrics is evaluated using scanning electron microscopy (SEM). SEM images show uniform dyeing of the PET fabrics that confirms the reaction of the hybrid materials with the PET fabrics. The water contact angle, washing fastness, color evenness, air permeability, and warmth retention of the PET fabrics dyed with hybrid materials composed of boehmite/silica/thiazole dyes are evaluated. The evaluation results indicate improved warmth retention property and good water repellency. |
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