Preparation method of taxus chinensis viscose fibers
A viscose fiber and yew technology, applied in the field of textile fibers, can solve problems such as shortage of supply in the market, and achieve the effects of good textile processability, sleep promotion, and good textile processability.
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Embodiment 1
[0025] Embodiment one: a kind of preparation method of yew viscose fiber comprises the following processing steps:
[0026] (1) Cut the yew raw material into 3cm long pieces with a diameter of 3cm;
[0027] (2) Rinse the tablets in hot water at 40°C for 30 minutes to fully wash away impurities such as sediment and sawdust contained in the tablets;
[0028] (3) Put the flakes in the lye for cooking, the ratio of the flakes to the lye is 1g:2ml, the cooking temperature is 135°C, the time is 180 minutes, the amount of NaOH in the lye is 15% of the weight of the flakes ;
[0029] (4) Rinse the cooked tablet in hot water at 40°C for 20 minutes;
[0030] (5) Beat the tablet on a beater to obtain a slurry with a concentration of 0.3%, the beating temperature is 15°C, and the beating degree is 45°SR;
[0031] (6) The slurry is desandered on the desander, and the desandering pressure is 0.28MPa;
[0032] (7) Concentrate the slurry obtained after desanding on the concentrator, the c...
Embodiment 2
[0041] Embodiment two: a kind of preparation method of yew viscose fiber comprises the following processing steps:
[0042] (1) Cut the raw material of yew into 5cm and 4cm in diameter;
[0043] (2) Rinse the tablets in hot water at 60°C for 20 minutes to fully wash away impurities such as sediment and sawdust contained in the tablets;
[0044] (3) Place the tablet in the lye for cooking, the ratio of the tablet to the lye is 1g: 4ml, the cooking temperature is 165°C, the cooking time is 90 minutes, and the amount of NaOH in the lye is 25% of the weight of the tablet ;
[0045] (4) Rinse the cooked tablet in hot water at 60°C for 10 minutes;
[0046] (5) Beat the tablet on a beater to obtain a slurry with a concentration of 0.5%, the beating temperature is 25°C, and the beating degree is 50°SR;
[0047] (6) The slurry is desandered on the desander, and the desandering pressure is 0.32MPa;
[0048] (7) Concentrate the slurry obtained after desanding on the concentrator, the...
Embodiment 3
[0057] Embodiment three: a kind of preparation method of yew viscose fiber comprises the following processing steps:
[0058] (1) Cut the yew raw material into 4cm long pieces with a diameter of 3.5cm;
[0059] (2) Rinse the tablets in hot water at 50°C for 25 minutes to fully wash away impurities such as sediment and sawdust contained in the tablets;
[0060] (3) Put the tablet in the lye for cooking, the ratio of the tablet to the lye is 1g:3ml, the cooking temperature is 150°C, the cooking time is 100 minutes, and the amount of NaOH in the lye is 20% of the weight of the tablet ;
[0061] (4) Rinse the cooked tablet in hot water at 50°C for 15 minutes;
[0062] (5) Beat the tablet on a beater to obtain a slurry with a concentration of 0.4%, the beating temperature is 20°C, and the beating degree is 46°SR;
[0063] (6) The slurry is desandered on the desander, and the desandering pressure is 0.3MPa;
[0064] (7) Concentrate the slurry obtained after desanding on the conc...
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