Park and Kim Fash Text (2018) 5:26
Page 8 of 13
Sample code (Denim fabric)
Sample code (Denim fabric)
Surface structure
Surface structure
DF1(C8)
DF1(C10)
DF2(C8)
DF2(C10)
DF3(C8)
DF3(C10)
DF4(C8)
DF4(C10)
S1
S2
Fig. 4 Photographs of the surface structure of Hanji denim fabrics ( × 40)
The colorfastness to washing (color change and staining) showed a higher chance of commercialization in all manufactured and existing commercial denim fabrics. How- ever, the results of colorfastness to light showed differently; the colorfastness of the denim fabrics that used the chemical dyestuff as the warp yarn was four grades above while that of the denim fabric that used the natural dyestuff was graded as grade 3 or grade 3–4. When compared with the existing denim fabric products (S1, S2), the devel- oped denim fabrics using synthetic dyestuff as the warp yarn seemed to have no prob- lem in merchandising. On the other hand, the colorfastness to light of the indigo natural dyestuff was lower than the chemical dyestuff, which indicated the stability against day- light was slightly lower. However, considering that denim fabric products such as jean pants and jean jackets were recognized as premium denim fabrics in which the indigo
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