Production method of high wet modulus bamboo pulp viscose glue fiber
A technology of viscose fiber and production method, which is applied in the field of viscose fiber production, can solve the problems of inconvenient continuous dyeing process, poor mercerizing ability, low wet modulus, etc., and achieve excellent dyeability, bright color and high alkalinity The effect of stability
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Embodiment 1
[0024] a. Impregnation: immerse the cellulose bamboo pulp in an immersion tank filled with caustic soda solution. Denaturant composition, the addition amount is 0.2% of methylcellulose, wherein in the denaturant composition: highly yellowed castor oil 20%, V-388 denaturant 45%, Lv-3 denaturant 35%;
[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 2.0, and the pulverization degree is 180g / L;
[0026] c. Aging: put the pulverized raw materials into the aging drum for aging operation, adopt the low temperature method, control the aging temperature at 25°C, and the aging time is 45 minutes;
[0027] d. Yellowing: Add the aged raw materials into the yellowing machine to react with carbon disulfide. The technical parameters are: the amount of carbon disulfide added is 50% of that of methyl cellulose, the yellowing time is 50 minutes, the temperature is 30°C, and th...
Embodiment 2
[0034] a. Impregnation: immerse the cellulose bamboo pulp in an immersion tank filled with caustic soda solution. Denaturant composition, the addition amount is 0.4% of methylcellulose, wherein in the denaturant composition: highly yellowed castor oil 50%, V-388 denaturant 20%, Lv-3 denaturant 30%;
[0035] 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 150g / L;
[0036] c. Aging: put the pulverized raw materials into the aging drum for aging operation, adopt the low temperature method, control the aging temperature at 20°C, and the aging time is 120 minutes;
[0037] d. Yellowing: Add the aged raw materials into the yellowing machine to react with carbon disulfide. The technical parameters are: the amount of carbon disulfide added is 60% of that of methyl cellulose, the yellowing time is 100 minutes, the temperature is 20°C,...
Embodiment 3
[0044] a. Impregnation: Immerse the cellulose bamboo pulp in an impregnation barrel filled with caustic soda solution. Denaturant composition, the addition amount is 0.3% of methyl cellulose, wherein in the denaturant composition: highly yellowed castor oil 45%, V-388 denaturant 40%, Lv-3 denaturant 15%;
[0045] 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 165g / L;
[0046] c. Aging: Put the pulverized raw materials into the aging drum for aging operation, adopt low temperature method, control the aging temperature at 22°C, and the aging time is 80 minutes;
[0047] d. Yellowing: Add the aged raw materials into the yellowing machine to react with carbon disulfide. The technical parameters are that the amount of carbon disulfide added is 55% of that of methyl cellulose, the yellowing time is 70 minutes, and the temperature is 25...
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