The dye’s diffusion coefficient has alittle influence on the fastness to light. The fiber fineness has a great influenceon dye fastness.
纤维线密度对染色牢度有很大的影响，纤维直径小，染色牢度一般较差。
参考来源 - 分散染料在不同细度涤纶纤维上染色牢度的研究·2,447,543篇论文数据，部分数据来源于NoteExpress
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。
The whiteness and dyeability of the grafted silk fibers were slightly decreased, and the dye fastness remained basically similar to that of the ungrafted fibers.
接枝后家蚕丝的白度和染色性略有下降，染色色牢度与未处理真丝织物基本相同。
Additionally, mordant played an important role in dye-uptake and dye fastness. But the color-fastness to sunlight of natural dyestuffs did not meet the need of wea...
另外媒染剂在提高天然染料的上染百分率、提高染色牢度方面也起到了一定的作用，但天然染料的日晒牢度还有待于进一步提高。
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