从禁用染料的代用谈近年几类重要染料新品种的开发(三)

A Speech on Recent Dyestuffs Developing for Prohibited Dyes Substitution (Ⅲ)

四、分散染料 目前在世界纺织业消耗的染料中,分散染料占16.5％,与硫化染料和直接染料的消耗量相近。随着涤纶及其混纺织物的迅速发展,预计今后分散染料将有较大的增长。据1992年统计,世界分散染料品种已登录的不同结构染料有1293个品种,生产品种有593个,但是1992年新品种类仅增加4个。 近年分散染料国内外开发主要从染料结构、染料复配和染料应用出发,有以下几个方面:

Direct and acid dyes are the most kinds in the dyestuffs with twenty prohibited ingredients. In recent years, dyestuffs manufactures both domestic and abroad have developed some new products such as reactive, disperse, direct and acid dyes to replace these prohibited dyes. The author introduced the structure and performance of these new dyes.