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대청 열수 추출물의 염색 온도, 시간 및 매염제에 따른 견과 면직물의 염색성 |
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장홍기(Hong Gi Jang), 김선호(Sun Ho Kim), 박윤점(Yun Jum Park), 이승진(Seung Jin Lee), 송채은(Chyae Eun Song), 백진주(Jin Ju Baek), 허북구(Buk Gu Heo) |
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| Abstract |
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To gather the data related to utilization of the natural dyeing materials for the horticultural therapy program, we examined the effects of dyeing temperature and time of hot-water extract of woad(Isatis tinctoria) on dyeability of silk and cotton fabrics. After making 1% hot-water extract from the traditional blue dyes, I. tinctoria, silk and cotton fabrics were dyed by dipping in the extracting solution at 70~80℃ for 20 minutes and at 80~90℃ for 20 minutes, respectively. Mordants used in this study were AlK(SO₄)₂ㆍ12H₂O, CuSO₄ and FeSO₄. Basically, silk and cotton fabrics were treated with 3% solution of these mordants at 25±2℃, and dyed for 20 minutes afterwards. Both the silk and cotton fabrics in the dyeing time and temperature, were less likely to be affected. The surface colors of silk and cotton fabrics were R, RP and YR levels. Silk and cotton fabrics were less influenced by dyeing time and temperature. However, those were significantly differenced between kinds of mordants. The values of Hunter a had ranged from 2.76 to 21.03 in silk and from 0.09 to 11.06 in cotton. The values of Hunter b had ranged from -0.16 to 16.50 in silk and from -0.79 to 12.16 in cotton. In addition, △E values had ranged from 27.23 to 44.11 in silk and from 11.36 to 20.98 in silk. Therefore, we suggest using different mordants to dye fabrics a variety of colors with leaf extracts of Isatis tinctoria, although silk and cotton fabrics were dyed at 70~80℃ and 80~90℃, respectively, for 20 minutes. |
| KeyWords:
Craft center, Horticultural therapy program, Indigo plant, Natural dyeing experience, Woad |
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