How to pay attention to soybean fiber dyeing

1: The reactive dyes used for wool have poor reactivity to soybean fibers under conventional dyeing conditions and are not suitable for dyeing soybean fibers. Not recommended for use.

2: In cotton reactive dyes, Procion XL+ is also not suitable for soy fiber dyeing; Remazol, Levafix CA, Levafix EA and Cibacron FN reactive dyes are suitable for dyeing at between 55-60 degrees; suitable for the dyeing of Megafix B and Cibacron LS reactive dyes. The temperatures are 65 degrees and 80 degrees, respectively. Within a certain range of soda ash, the dyeing depth of soybean fiber is less sensitive to the amount of soda ash. Only a low concentration of soda ash is required for dyeing, and 4-6 g/L of soda ash can be used for medium coloration, even for deep coloration, soda ash. The amount should not exceed 10g/L.

3: Reactive dyes with high direct and reactive properties (such as vinylsulfone and monofluorotriazine) are more suitable for the dyeing of soybean fibers. For example, Cibacron LS in reactive dyes is most suitable for deep coloration of soybean fibers.

4: It is very important to ensure the homogeneity of the surface color of soybean fiber by using reactive dyes that have excellent dyeing and fixing properties for soy protein and polyvinyl alcohol.

5: Blind development of new products is not recommended and should be systematically developed. It is very important to select suitable dyes for the dyeing of soybean fibers, and then formulate corresponding processes for the properties of dyes.

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