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면(棉)과 나일론 직물(織物)의 괴화(槐花) 염색(染色)에서 Chitosan 처리(處理)와 매염(媒染) 이 색상(色相)에 미치는 영향(影響)
황희연 ( Hui Youn Hwang ),최정임 ( Jeong Im Choi ),전동원 ( Dong Won Jeon ) 한국패션비즈니스학회 2006 패션 비즈니스 Vol.10 No.2
In this study, the effects of chitosan pre-treatment on the mordanting effect and dyeability were investigated in the dyeing using Japanese pagoda tree. The chitosan treatment effects were evaluated mainly focused on the colors after dyeing of cotton and nylon fabrics which were treated with acidic aqueous solution of chitosan. In the case of chitosan untreated fabrics, the mordanting effects on the cotton and nylon were insignificant and the dyeability was very low. Regardless of the mordant types(Al, Sn, and Fe), the dyed fabrics exhibited almost identical yellowish colors. In the case of chitosan treated fabrics, dark colors were obtained compared to the case of chitosan untreated and ΔE values were increased significantly. In cotton fabrics, the most excellent result was obtained under the condition of unmordanted and chitosan treated fabrics. This verifies the fact that routin coloring matters establish direct linkages with the chitosan components, which exhibit cationic nature, easily. In nylon fabrics, the effects of mordanting treatment and chitosan treatment are so insignificant that the routin coloring matters are presumed to establish direct dyeing with the nylon molecular chains.
황희연 ( Hui Youn Hwang ),전동원 ( Dong Won Jeon ) 한국패션비즈니스학회 2006 패션 비즈니스 Vol.10 No.2
In this study, physical/chemical characteristics of the fabrics dyed using Japanese pagoda tree which is a yellowish dyestuff was investigated. We tried to estimate the dyeing mechanism among fiber macromolecules, mordants, chitosan, and dyestuffs by measuring the change of air-permeability according to the dyeing process. Also wash fastness and light fastness were measured in order to estimate the fastness according to the dyeing characteristics. When the chitosan pre-treatment was introduced, the wash fastness increased significantly in the cotton fabrics while the fastness did not change in the nylon fabrics significantly. The light fastness was not improved by the chitosan treatment. When the antibacterial activity was measured for the dyed cotton fabrics, Japanese pagoda tree itself did not exhibit antibacterial activity. However, chitosan treated dyed fabrics exhibited low antimicrobial activity.