ポリ乳酸繊維染色物の光変退色挙動に及ぼす紫外線吸収剤の影響
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概要
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The effects of an ultraviolet(UV) absorber on the photofading behavior of dyed polylactide(PLA) fabrics were investigated. The benzotriazole type UV-absorber was applied to PLA fabrics dyed with 1%owf of several disperse dyes by adding 3%owf of it to each dye bath. The application of the UV-absorber in the dyeing of PLA fabrics provided beneficial effects against photofading for the azo disperse dyes, C.I. Disperse Orange 25 and Orange 44. The light fastness of the PLA fabrics dyed with these dyes were improved by 0.8-1.8 grade of magnitude assessed by the instrumental method. However in the case of the anthraquinone disperse dyes, Red 60 and Red 127, there appears to be slight or detrimental effectiveness. The light fastness of PLA fabrics dyed with C.I. Disperse Red 50 at various depth of dyeing in the presence of the UV-absorber were determined and compared with those of the specimens dyed in the absence of UV-absorber. It was shown that the UV-absorber protected against photofading more effectively on lighter shades than on darker shades.
- 社団法人 繊維学会の論文
社団法人 繊維学会 | 論文
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