Technology for producing coloured chitosan fiber by coagulating bath process
A technology of chitosan fiber and production method, applied in the direction of fiber chemical characteristics, wet spinning method, single-component synthetic polymer rayon, etc., can solve the problem of large color difference, and achieve the effect of saving time and convenient and simple operation
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[0010] The following is further explained with examples:
[0011] (1) Take 100g of black dye, first dissolve it with 1000ml of alcohol, stir it evenly, add it into the prepared coagulation solution, stir it evenly, and prepare it into a black coagulation bath, when the spinning solution is sprayed from the spinneret into the coagulation bath , to form colored primary fibers, and then through drafting, washing, and drying to form black fibers.
[0012] (2) Take 150g of yellow pigment, first dissolve it with 1000ml of alcohol, stir it evenly, add it to the prepared coagulation solution, and then stir it evenly to make a black coagulation bath. When the spinning solution is sprayed from the spinneret into the coagulation bath , to form colored primary fibers, and then through drafting, washing, and drying to produce yellow fibers.
[0013] (3) Take 180g of red pigment, first dissolve it with 2000ml of alcohol, stir it evenly, add it to the prepared coagulation solution, stir it ...
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