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⵵/ȣ 1996 / ȣ: V.8,no.1,Feb
1() /ῡ ߿ ־ C.I. Reactive Black 5 ߿ ŵ ġ 濰
2(Ÿ) The Effects of Resist Agents on the Resist-Discharge Behaviors of C.I. Reactive Black 5 in the Resist-Discharge Printing of Cotton Fabrics with Reactive/Reactive Dyes
() Park, Geon Yong (Dept. of Textile Eng., Chungnam Sanup Univ., Hongsung, Korea)
(Ÿ) Park, Geon Yong (Dept. of Textile Eng., Chungnam Sanup Univ., Hongsung, Korea)
Ҽ() Park, Geon Yong (Dept. of Textile Eng., Chungnam Sanup Univ., Hongsung, Korea)
Ҽ(Ÿ) Park, Geon Yong (Dept. of Textile Eng., Chungnam Sanup Univ., Hongsung, Korea)
/ 8 ~ 14 : 7
() Korean
ʷ In resist-discharge printing of cotton fabrics with reactive/reactive dyes the effects of both resist agents, benzaldehyde sodium bisulfite(BASB) and glyoxal sodium bisulfite (GSB), and Rongalite on the resist-discharge behaviors of C.I. Reactive Black 5(B1-5), which is disazo type and has two vinylsulfone groups, were investigated. It was confirmed that BASB and GSB were effective resist agents, and about 4% of BASB or about 6% of GSB was proper to obtain successful white or colored resist-discharge results. It was thought that the good resist-dischargeability of BASB was due to the hydrophobicity of bezene in BASB, and also that of GSB resulted from the structural effects caused by two hydroxy groups in GSB and the ease of washing of unactivated reactive dye. Only 5% Rongalite without any resist agents showed good resist-discharge result, but 1~3% Rongalite with 4% BASB brought about the stain of cotton fabric by reddish monoazo products produced by insufficient cleavage of two azo groups in Bl-5.
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