Anion viscose acetal fiber and preparation method thereof
A technology of viscose fiber and negative ions, applied in the field of textile fibers, to achieve the effect of eliminating odor, purifying the air, and improving the spinnability of the subsequent process
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Embodiment 1
[0040] Production method of cotton-type negative ion viscose staple fiber
[0041] A. Prepare negative ion powder liquid slurry according to the following ratio
[0042] Superfine Negative Ion Powder 22%
[0043] Water-soluble dispersant 2%
[0044] Distilled water 76%
[0045] Stir the above components evenly, among which the negative ion powder particles with a particle size of less than 0.5 μm account for more than 60%, the average particle size is less than 0.65 μm, and the degree of dispersion is greater than 80%.
[0046] B. Preparation of negative ion viscose staple fiber
[0047] Follow these steps:
[0048] Alkalinization, yellowing, dissolution, primary filtration, ripening, defoaming, secondary filtration, wet spinning, coagulation, plasticizing and drawing, cutting, post-processing, drying and packaging of cellulose A;
[0049] Among them: the input amount of each batch of A cellulose (pulp) is 450kg, in the alkalization step, the input amount of (280±0.5) g / L...
Embodiment 2
[0052] Embodiment 2 The production method of filament anion viscose fiber
[0053] A. Prepare negative ion powder liquid slurry according to the following ratio
[0054] Superfine Negative Ion Powder 22%
[0055] Water-soluble dispersant 2%
[0056] Distilled water 76%
[0057]Stir the above components evenly, among which the diatom-based powder particles with a particle size of less than 0.5 μm account for more than 60%, the average particle size is less than 0.65 μm, and the dispersion is greater than 80%.
[0058] B. Preparation of filament anion viscose fiber
[0059] Follow these steps:
[0060] Type A cellulose impregnation, pressing, yellowing, dissolution, primary filtration, aging, secondary filtration, ripening, defoaming, tertiary filtration, wet spinning, post-treatment and barrel forming.
[0061] The input amount of pulp is formed according to the composition of conventional viscose.
[0062] Wherein: after filtering three times, the prepared negative ion p...
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