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신윤숙,유동일,Shin, Younsook,Yoo, Dong Il The Korean Fiber Society 2016 한국섬유공학회지 Vol.53 No.2
This study aims to develop ecofriendly textile products that exhibit antimicrobial properties. The surface of the bamboo/cotton blended fabric was treated with chitosan to improve the fabric's accessibility to natural acidic colorant, and to imbue it with chitosan's antimicrobial properties. The effect of the chitosan treatment was evaluated in terms of the following properties of the fabric after dyeing it with natural pomegranate-rind extract: dye uptake, color, colorfastness, antimicrobial activity, and physical properties like stiffness, wettability, and air permeability. For the fabrics treated with 0.5% chitosan concentration, the color yield (K/S value) improved by 2-3 times (depending on the colorants' concentration) compared to that of the untreated fabric. The shade of dyed fabrics was not changed by the chitosan treatment, and the fabrics continued to have the same Y Munsell color series as before. Colorfastness was not affected by the chitosan treatment either. However, with chitosan treatment, the fabrics got stiffer, more air permeable, and more water repellent. The treated fabrics also showed excellent antimicrobial activity against S. aureus and K. pneumoniae.
신윤숙(Younsook Shin),손경희(Kyounghee Son) 전남대학교 생활과학연구소 1996 生活科學硏究 Vol.6 No.-
Cotton fabrics were treated with cellulase at 50℃, pH 4.5 with varying concentration and treatment time. Treated fabrics were evaluated for weight-loss and performance properties. Moisture regain and dye adsorption were measured to investigate microstructural change and SEM analysis for morphological change. Effect of cellulase treatment before and after DP finishing was studied by measuring the change of performance properties. As cellulase concentration and treatment time increased, weight-loss increased, strength decreased, and softness increased Moisture regain and dye adsorption decreased, and etchings and cracks on the fiber surface were developed with the increase in weight-loss. Cellulase treatment before DP finishing was more efficient compared with cellulase treatment after DP finishing for improving softness.
신윤숙(Younsook Shin),손경희(Kyounghee Son) 전남대학교 생활과학연구소 2000 生活科學硏究 Vol.10 No.-
Tencel<sup>Ⓡ</sup>fabrics were crosslinked with DMDHEU by pad-dry-cure(PDC) and wet-fixation(WF) method after cellulase treatment. NaOH was pretreated before cellulase treatment in PDC method. DP/performance properties. SEM analysis, mechanical properties and hand value of the treated fabrics were investigated. Crosslinking was increased DP rating and WRA, and decreased breaking and tear srtength retention Especially. PDC method imparted better balance of DP/performance properties than WF method. NaOH pretreatment imparted higher strength retention than non-treatment. SEM analysis showed no significant difference in surface change of the fiber depending on the treatment method of DMDHEU. Regardless of NaOH pretreatment and treatment method of DMDHEU, shear and compressional properties were decreased and surface properties increased by crosslinking. NaOH pretreatment was increased bending and shearing properties, decreased surface properties. Consequently, NaOH pretreatment increased Koshi, WF method provided superior Numeri, Regardless of NaOH pretreatment and treatment method of DMDHEU, crosslinking reduced Fukurami. The best THV was produced by WF method.