• Title/Summary/Keyword: Grean tea

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Functional Dyeing and Finishing Using Catechins Extracted from Green Tea -Dyeing Optimization and Fastness- (녹차추출 카테킨을 활용한 기능성 염색가공 -염색조건 최적화 및 견뢰도 분석-)

  • Son, Song-I;Jang, Kyung-Jin;Kim, Tae-Kyeong;Jeong, Jong-Suc;Choi, Young-Hee
    • Fashion & Textile Research Journal
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    • v.11 no.2
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    • pp.344-349
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    • 2009
  • Optimum dyeing conditions of green tea extracts were investigated toward nylon, cotton, rayon, and tencel fabrics. Affinity of green tea extracts was exhibited much higher onto nylon fabric than the other cellulosics. As for nylon, the adsorption was increased with the increase of dyeing temperature and optimum dyeing pH was around 4~6. Buildup property of green tea extract was good showing a linear relationship between concentration of the extracts and color strength of dyed fabrics within experimental range. Color fastnesses were good to excellent in general except to light.