A kind of pretreatment processing method of flax short fiber
A processing method and short fiber technology, which is applied in the field of pretreatment processing of flax short fiber, achieves the effects of simple operation, good spinnability and mild processing conditions
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Embodiment 1
[0018] Process flow of the present invention:
[0019] (1) Peracetic acid pretreatment: peracetic acid 2.0 g / L, penetrant JFC 1.5 g / L, temperature 40°C,
[0020] Time 50min, liquor ratio 1:20;
[0021] (2) Warm water washing: 40-50°C;
[0022] (3) Scouring: temperature 90°C, time 80 min, sodium percarbonate 8.0 g / L, peracetic acid 2.0 g / L, sodium pyrophosphate 1.5 g / L, EDTA 2.5 g / L, penetrant JFC 1.5 g / L , bath ratio 1:20;
[0023] (4) Hot water washing: 80-90°C;
[0024] (5) Washing in cold water: 20-30°C;
[0025] (6) Dehydration;
[0026] (7) Drying: 100~105℃ to constant weight.
Embodiment 2
[0028] Process flow of the present invention:
[0029] (1) Peracetic acid pretreatment: peracetic acid 2.0 g / L, penetrant JFC 2.0 g / L,
[0030] Temperature 45℃, time 50min, bath ratio 1:20;
[0031] (2) Warm water washing: 40-50°C;
[0032] (3) Scouring: temperature 90°C, time 85min, sodium percarbonate 8.0 g / L, peracetic acid 2.0 g / L, sodium pyrophosphate 2.0 g / L, EDTA 2.0 g / L, penetrant JFC 1.5 g / L , bath ratio 1:20;
[0033] (4) Hot water washing: 80-90°C;
[0034] (5) Washing in cold water: 20-30°C;
[0035] (6) Dehydration;
[0036] (7) Drying: 100~105℃ to constant weight.
Embodiment 3
[0038] Process flow of the present invention:
[0039] (1) Peracetic acid pretreatment: peracetic acid 2.5g / L, penetrant JFC 1.5 g / L,
[0040] Temperature 45℃, time 55min, bath ratio 1:20;
[0041] (2) Warm water washing: 40-50°C;
[0042] (3) Scouring: temperature 95°C, time 80min, sodium percarbonate 8.0 g / L, peracetic acid 2.0 g / L, sodium pyrophosphate 1.5 g / L, EDTA 2.0 g / L, penetrant JFC 1.5 g / L , bath ratio 1:20;
[0043] (4) Hot water washing: 80-90°C;
[0044] (5) Washing in cold water: 20-30°C;
[0045] (6) Dehydration;
[0046] (7) Drying: 100~105℃ to constant weight.
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