Process for processing flax roving
A process method and roving technology, applied in the direction of fiber treatment, dry cleaning fiber products, bleaching products, etc., can solve the problems of rough surface and poor flexibility of the fabric, and achieve the effect of reducing violent decomposition, increasing flexibility and increasing service life.
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Embodiment 1
[0020] A kind of technological process of flax roving treatment, comprises the following steps:
[0021] ① Use H2SO4 with a mass concentration of 2g / L~3g / L to pickle the flax roving. The temperature during the pickling treatment is 30°C~55°C and the time is 40min~50min;
[0022] ② washing the linen roving after pickling treatment;
[0023] ③Put the flax roving in a solution with a NaOH concentration of 3%~4% and an H2O2 concentration of 4%~5% for scouring. The scouring temperature is 60~80°C and the time is 80min~85min;
[0024] ④Bleaching the scoured flax roving in sodium hypochlorite;
[0025] ⑤ washing the flax roving bleached with sodium hypochlorite;
[0026] ⑥Bleaching the linen roving with hydrogen peroxide;
[0027] 7. Washing the flax roving bleached with hydrogen peroxide;
[0028] ⑧Put the flax roving in a solution with a mass concentration of H2SO4 of 0.8g / L for pickling. During the pickling, keep the temperature at 20°C~30°C, and the pickling time is 2min~3min...
Embodiment 2
[0031] A kind of technological process of flax roving treatment, comprises the following steps:
[0032] ① Use H2SO4 with a mass concentration of 2g / L~3g / L to pickle the flax roving. The temperature during the pickling treatment is 40°C~55°C and the time is 60min~70min;
[0033] ② washing the linen roving after pickling treatment;
[0034] ③Put the flax roving in a solution with a NaOH concentration of 3%~4% and an H2O2 concentration of 4%~5% for scouring. The scouring temperature is 80~90°C and the time is 80min~85min;
[0035] ④Bleaching the scoured flax roving in sodium hypochlorite;
[0036] ⑤ washing the flax roving bleached with sodium hypochlorite;
[0037] ⑥Bleaching the linen roving with hydrogen peroxide;
[0038] 7. Washing the flax roving bleached with hydrogen peroxide;
[0039] ⑧Put the flax roving in a solution with a mass concentration of H2SO4 of 0.8g / L for pickling. During the pickling, keep the temperature at 20°C~30°C, and the pickling time is 5min~7min...
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