Production method of high-strength bamboo pulp viscose glue short fiber
A viscose staple fiber and production method technology, which is applied in fiber treatment, fiber chemical post-treatment, wet spinning, etc., can solve the problems of low durability, low strength, and infirmity, and achieve high wear resistance, Strong permeability and stable whiteness
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Embodiment 1
[0024] a. Impregnation: Immerse the bamboo pulp in an impregnation bucket equipped with caustic soda solution, the concentration of the impregnation alkali solution is 255g / L, the temperature of the impregnation alkali solution is 22°C, the impregnation time is 70 minutes, and the amount of denaturant V-388 is methyl fiber 0.8% of prime;
[0025] b. Squeeze and pulverize: squeeze the impregnated raw materials with a squeeze machine, and then pulverize them with a pulverizer, wherein the squeeze ratio is 2.2, and the pulverization degree is 180g / L;
[0026] c. Aging: put the crushed raw materials into the aging drum for aging, the aging temperature is 22°C;
[0027] d. Yellowing: add the aged raw materials into the yellowing machine to react with carbon disulfide. The amount of carbon disulfide added is 35% of the methyl cellulose, the yellowing time is 50 minutes, the temperature is 20°C, and the denaturant V is added during the dissolution. -315, the amount added is 0.6% of ...
Embodiment 2
[0033] a. Impregnation: Immerse the bamboo pulp pulp in an impregnation bucket equipped with caustic soda solution, the concentration of the impregnation alkali solution is 270g / L, the temperature of the impregnation alkali solution is 20°C, the impregnation time is 90 minutes, and the amount of denaturant Lv-3 is methyl fiber 0.6% of prime;
[0034] b. Squeeze and pulverize: squeeze the impregnated raw materials with a squeeze machine, and then pulverize them with a pulverizer, wherein the squeezing multiple is 2.4, and the pulverization degree is 170g / L;
[0035] c. Aging: put the pulverized raw materials into the aging drum for aging, the aging temperature is 24°C;
[0036] d. Yellowing: Add the aged raw materials into the yellowing machine to react with carbon disulfide. The amount of carbon disulfide added is 37% of that of methyl cellulose, the yellowing time is 45 minutes, the temperature is 30°C, and denaturant V is added into the solution. -315, the addition amount i...
Embodiment 3
[0042] a. Impregnation: Immerse the bamboo pulp pulp in an impregnation bucket equipped with caustic soda solution, the concentration of the impregnation alkali solution is 260g / L, the temperature of the impregnation alkali solution is 21°C, the impregnation time is 80 minutes, and the amount of denaturant Lv-3 is methyl fiber 0.7% of prime;
[0043] b. Squeeze and pulverize: squeeze the impregnated raw materials with a squeeze machine, and then pulverize them with a pulverizer, wherein the squeezing multiple is 2.3, and the pulverization degree is 175g / L;
[0044] c. Aging: put the crushed raw materials into the aging drum for aging, the aging temperature is 23°C;
[0045] d. Yellowing: Add the aged raw materials into the yellowing machine to react with carbon disulfide. The amount of carbon disulfide added is 36% of the methyl cellulose, the yellowing time is 48 minutes, the temperature is 25°C, and denaturant V is added during dissolution. -315, the amount added is 0.4% of...
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