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연구논문 : 디지털 프린팅 견직물의 색상 변화 및 견뢰도-혼합 전처리제의 영향
정동석 ( Dong Seok Jeong ),천태일 ( Tae Il Chun ) 한국의류산업학회 2013 한국의류산업학회지 Vol.15 No.5
In this study, The mixture of three kinds of pre-treatment agents, Carboxymethyl cellulose sodium salt(CMC), Sodium alginate and Dextrin, have been prepared for the better coloration of digital textile printing. To get sharpness of outline during digital printing process, the optimal formulation is the CMC and Sodium alginate mixture 1:1 ratio by volume. Cyan, Yellow, and Black colours are excellent on the Sodium alginate mixtures. But, Magenta is excellent in the CMC and Dextrin mixture. Sharpness and printability are closely related to viscosity of the mixture. The most optimal sharpness of outline achieved with a consideration of coloring, and field operations account for production when the viscosity of the mixed pre-treatment agent approximately is 10~13 cSt. Change in shade and staining of wash fastness for all the treated samples with the mixtures rated 4-5 grade. Both dry rubbing fastness to shade change and staining are good in the treated samples, whereas wet rubbing fastness rated 2-3 grade. To improve wet rubbing fastness, the Sodium alginate and Dextrine mixture, which rated 3-4 grade for Black color, is applicable. With exception of 3 rating to black color, Light fastness is 4 rating for the remaining three colors in the regardless of treatment condition and mixing of the pre-treatment agent. Dry cleaning fastness of all samples are also 4-5 rating.
배선주(Sun Ju Bea),천태일(Tae Il Chun) 한국차학회 2001 한국차학회지 Vol.7 No.3
In this study we have investigated the mordanting effect of natural mordants such as camellia ash, bean chaff ash and iron plasma on silk fabrics dyed with green tea extracts. Experimental variables include ultraviolet shielding effect, light fastness, dry-cleaning fastness, and tensile strength of silk fabrics dyed with green tea extracts before and after mordanting. Ultraviolet shielding effect, light fastness of silk fabrics dyed with green tea extracts was improved as compared with untreated silk fabric, and moreover those of camellia ash mordanted fabrics were improved remarkably. But iron mordanted fabrics deteriorated the color fastness. Tensile strength and elongation of silk fabrics dyed with Green tea extract only were increased but those of silk fabrics mordanted with camellia and bean chaff ash were decreased.