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2011 / ȣ: V.23,no.1,Mar |
1() |
Novel Coloration of Cotton Fabrics by UV-induced Phtografting of Reactive Black 5 and Acrylic acid |
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Novel Coloration of Cotton Fabrics by UV-induced Phtografting of Reactive Black 5 and Acrylic acid |
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Yuanyuan Dong and Jinho Jang |
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Yuanyuan Dong and Jinho Jang |
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Dept. of Nano-Bio Textile Engineering, Kumoh National Institute of Technology, Gumi, Korea |
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Dept. of Nano-Bio Textile Engineering, Kumoh National Institute of Technology, Gumi, Korea |
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11 ~ 20 : 10 |
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English |
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Abstract UV-induced surface copolymerization has been widely applied as a simple, useful and versatile approach to
improve the surface properties of textiles. C.I. Reactive Black 5 and acrylic acid (AA) were continuously grafted onto cotton
by UV irradiation. The photografting may occur by the copolymerization of AA with the vinylsulfone reactive dye which
photochemically converted from the bissulfatoethylsulfone reactive group. The graft yield and color yield were influenced by
UV energy, the dye and photoinitiator concentrations, a mole ratio of AA to dye, and pH. The coloration of cotton fabrics
having a K/S of 7.0 can be obtained under a UV irradiation energy of 15J/cm2 by the photografting of an aqueous alkaline
formulation of 6% dye concentration containing 3% photoinitiator concentration on the weight of monomers, and a 3:1 mole
ratio addition of AA to the dye. Furthermore, the photochemically dyed cotton fabrics showed comparable washing (staining)
and rubbing fastness to conventional reactive dyeing method except shade change in the wash fastness and light fastness. |
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Keywords: cotton, C.I. Reactive Black 5, acrylic acid, photografting, color yield |
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Reference |
http://www.koreascience.or.kr/article/ArticleFullRecord.jsp?cn=OSGGBT_2011_v23n1_11 |
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