It could improve the direct dyefastness 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。
2
The whiteness and dyeability of the grafted silk fibers were slightly decreased, and the dyefastness 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。
3
Additionally, mordant played an important role in dye-uptake and dyefastness. But the color-fastness to sunlight of natural dyestuffs did not meet the need of wea...