Iron removing process for flax roving
A roving and crafting technology, which is applied in textiles and papermaking, fiber treatment, plant fiber, etc., can solve the problems of poor pertinence, and achieve the effect of uniform thickness, small fiber damage, and stable and uniform response
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[0022] The present invention will be described in further detail below through examples, and the following examples are explanations of the present invention and the present invention is not limited to the following examples.
[0023] Example.
[0024] Taking L36Nm as an example, the bath ratio is 1:10, and the iron removal process of flax roving is applied in the flax yarn spinning process. The specific process is as follows.
[0025] (1) Iron removal: The flax roving is treated to remove iron ions, and the iron ions in the hemp fiber are removed. The scouring agent F-MFB with a concentration of 0.5g / L and the extractant RED with a concentration of 0.5g / L are used. , Use the extractant EX with a concentration of 1.5g / L and 96% acetic acid with a concentration of 0.5g / L, adjust the pH to 5.0-5.5, and treat at 70°C for 20 minutes.
[0026] (2) Washing: Wash with water at room temperature for 10 minutes.
[0027] (3) Degumming and bleaching: degumming and bleaching the roving....
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