Abstract
Abstract It is well known that the Petasites japonicus has been used for a long time medicine for the treatment of allergic diseases such as lacquer poisoning. However, the exact components and dyeing properties of its effects is still not known. Therefore, the purpose of this study was to investigate the dyeing property and ultraviolet-cut ability of silk and nylon fabrics that was dyed variously with the Petasites japonicus. The Petasites japonicus extract was done by boiling with distilled water at 100℃ for 1 hour. As mordanting agent, we used Aluminum potassium sulfate (AlK(SO 4 ) 2 ․12H 2 O), Copper(II) sulfate pentahydrate (CuSO 5 ․5H 2 O), Iron(II)Chloride (FeCl 2 ․4H 2 O). The best K/S value of dyeing temperature and time, all the fabrics were 100℃, 90min. Silk fabric was dyed yellow(0.8Y 7.6/2.2) and nylon fabric was dyed reddish yellow(10.1 YR 7.4/3.0). Silk fabric and nylon fabric was changed greenish yellow on mordanting with CuSO 5 ․5H 2 O and FeCl 2 ․4H 2 O respectively. And the colorfastness of washing and dry-cleaning was improved by using mordanting agent(4～5 grade). Ultraviolet-cut ability(UV-B) was showed more 90% in dyed nylon fabrics.Key words: colorfastness dry-cleaning(드라이클리닝 견뢰도), dyeing property(염색성), mordanting agent(매염제), K/Svalue(표면염착량), Petasites japonicus(머위), Ultraviolet-cut ability(자외선 차단성).
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