At present,the fixing agent was targeted more reactive and direct dyes and acid dyes and so on,they all belong anionic dyes,while it does not effective on indigo commonly used in denim.
目前,市面上的固色剂多是针对活性染料、直接染料或酸性染料等阴离子型的染料,而对于牛仔布常用的靛蓝类还原染料效果却不明显。
参考来源 - 固色剂的研究进展及展望The applying of ultrasound can promote the dye-uptake in the dyeing process. The effects of ultrasound on fiber,dye and dyeing system were researched by dyeing cotton fabrics with direct dyes.
超声波能够促进染色,利用直接染料的染色特性探索了超声波对纤维、染料及染色体系的作用。
参考来源 - 超声波对染色的作用机制研究·2,447,543篇论文数据，部分数据来源于NoteExpress
同义词： substantive dye
以上来源于: WordNet
Substantive direct dyes are used on cellulosic fibers, wool, and silk.
直接染料常用于纤维素纤维、羊毛、丝的染色。
Acid dyes and direct dyes, which are most used in textile industry, however, there are few special dyes for leather at present.
皮革染色常用的酸性染料、直接性染料大都是从纺织工业移植过来的。
It is suitable for the color fixing process of cellulose fibre dyed reactive and direct dyes, and also silk and wool dyed by acid dyes.
本产品适用于纤维素纤维以活性染料和直接染料染色或印花后的固色处理，也可用于丝、毛织物酸性染料染色后的固色。
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