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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.
충주댐 수몰지역 민가 유형에 관한 고찰 - 청풍면을 중심으로 -
황희연(Hee Youn Hwang),이진숙(Jin Sook Lee) 대한공업교육학회 1983 대한공업교육학회지 Vol.8 No.2
This paper is a study on the types of vernacular houses around Cheong Pung Myen, Chung Cheong Buk Do. Because being immerged under water after the construction of Chung Ju dam, there are well remained vernacular houses in spite of the change of Korean life style and the Sae-Me-Eeul movement. So this area is selected for the research objects. In this study, the types and characteristics of houses are analyzed according to the topography and the chronological order. In conclusion, the houses in this area are divided into three types in view of the geographical conditions, socio-cultural backgrounds. There are as follows: First is the level ground type mainly on the plain. Second is the mountainous district type mainly on the hilly country. Third is the mixed type between plain and hilly country.