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김운태,남원우,손병청 ( Woon Tai Kim,Won Woo Nam,Byoung Chung Sohn ) 한국유화학회 1995 한국응용과학기술학회지 Vol.12 No.2
Diazotization of 2-Amino-5-nitrophenol was Synthesized by the direct diazotization method. The double salts of zinc chloride are the Commonest, and the double salt method is Specially applicable to the yield-up of coupling. The azo dye(2-naphthol-1-(2`-diazo-5`-nitrophenol)) is Converted into a chromium Complex by heating(100℃) with chromic formate, and DMF. The removal of inorganic salts from dyestuffs was performed in DMF solvent. This effect was more pronounced. From these results, It was obtained to liquid dyestuffs of metal complex with High fastness and high adsorption.
김운태,박제영,김병무,남원우,손병청 ( Woon Tai Kim,Jae Young Park,Byoung Moo Kim,Won Woo Nam,Byoung Chung Sohn ) 한국유화학회 1996 한국응용과학기술학회지 Vol.13 No.2
Diazotization of STA synthesized by the indirect diazotization method. The effect of catalyst and agitation (rpm) about STA and H-acid reaction were examined and the optimum conditions were investigated experimentally. The yields and characteristics of 1^.st coupling and diazotization synthesis were identified by HPLC and FT-IR analysis. 1^.st condensation of CNC and mPDSA were synthesized at 5℃ and pH=6.5. The conditions of alkaly coupling of H-acid were synthesized at 5℃ and pH=8. The condensation of products was identified by U. V. analysis. From this results, It was obtained to reactive dyestuffs of bi-functional reactivity with high fastness and high adsorption.