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Citeasy
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초록· 키워드
Chitin is a derived product from the shell of shrimp or crab. Chitosan, a deacetylated product of chitin, has widely been used in the biomedical sector, food industry, and textile industry. Chitosan exhibits fiber-forming property under certain conditions. Nonwoven fabrics made of chitosan fibers may have diverse applications in the industry. Previous studies have revealed that the dye uptake properties of natural dyestuffs improved by the chitosan pretreatment on the fabric specimens. In this case, fabric specimen is coated with acidic salt form of chitosan, which is different from the pure chitosan, since the coating process employes coating with the acidic solution of the chitosan and subesquent drying. In this study, chitosan nonwoven fabric samples were prepared from chitosan sample having deacetylation degree of 100% and molecular weight of 650,000. Chitosan nonwoven fabrics maintain the form of -NH2 end-group. These in turn exhibit higher dye uptake ability than the fabrics coated with chitosan acidic solutions do.
#Caesalpinia sappan(소목)
#Caesalpinia sappan(소목)
#chitosan(키토산)
#chitosan(키토산)
#cochineal(코치닐)
#cochineal(코치닐)
#madder(꼭두서니)
#madder(꼭두서니)
#mordanting(매염)
#mordanting(매염)
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