引用本文:
简卫, 程侣柏, 易江华. 吡啶酮偶氮分散染料光谱性能[J]. 应用化学,
2002, 19(8): 798-800.
Citation: JIAN Wei, CHENG Lü-Bai, YI Jiang-Hua. The Absorption Spectral Properties of Pyridone-based Disperse Azo-dyes[J]. Chinese Journal of Applied Chemistry, 2002, 19(8): 798-800.
Citation: JIAN Wei, CHENG Lü-Bai, YI Jiang-Hua. The Absorption Spectral Properties of Pyridone-based Disperse Azo-dyes[J]. Chinese Journal of Applied Chemistry, 2002, 19(8): 798-800.
English
The Absorption Spectral Properties of Pyridone-based Disperse Azo-dyes
Abstract:
The visible absorption spectra of some pyridone-based disperse azo-dyes have been studied as function of pH values and solvents. The relationship between the hydrazone azo-anion equilibrium and the pH value of dye solution is discussed. The pyridone-based disperse dyes readily undergo acid dissociation to give the anion form at higher pH values or in ethanol, DMF and DMSO.
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Key words:
- pyridone
- / disperse azo-dye
- / visible absorption spectrum
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