同义词： substantive dye
以上来源于: WordNet
N any of a number of dyes that can be applied without the use of a mordant. They are usually azo dyes applied to cotton or rayon from a liquid bath containing an electrolyte such as sodium sulphate 直接染料
It also has apparent flocculation effect in other direct dye wastewater treatment.
该产品对其它直接染料废水也有明显的絮凝效果。
Cationic diazo compounds, compositions comprising them as direct dye, process for dyeing keratin fibers and device therefor.
特殊阳离子重氮化合物，含其作为直接染料的组合物，角蛋白纤维染色方法及其装置。
It could improve the direct dye fastness by 1 or 2 rates when used in soaping together with water-sol of siloxanes with epoxy groups.
与带有环氧基的硅氧烷水溶胶混合使用，能使直接染料皂洗的沾色牢度提高1 ~ 2级。
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