摘要
一般的酸性染料溶解度较小,而本文所介绍的单或双偶氮酸性染料,实际上是以碱金属盐的形式存在,由于加入了（按重量计）80％～30％的木质素磺酸铵,改善了室温的冷水溶解度。木质素磺酸铵既作为标准化试剂,用来调节高强度染料到稳定的商品染料,同时又能提高染料在室温时冷水溶解度。
Cold water-soluble dye compositions consist essentially of 20-70% by weight of a sparingly soluble sulfonated mono-or disazo acid dye, substantially,in the form of its alkali metal salt, and 80-30% by weight of ammonium ligninjjsulfonate being used as a standardizing agent to adjust the strength of acid dyes. The compositions meet the requirements in commercial dyeing and printing processes and provide acceptable cold water solubility for dyeing at ambient temperatures.
出处
《染料工业》
2002年第3期34-37,共4页
Dyestuff Industry
