Method for producing polyamide moisture-absorption perspiration fibre and product
A moisture-absorbing and sweat-wicking fiber and a production method technology, applied in the field of synthetic fibers, can solve problems such as poor hygroscopicity, stiffness, and rough handle of moisture-wicking fabrics, and achieve high production efficiency, stable operation, and improved softness and comfort.
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Embodiment 1
[0033] On the filament spinning machine of SNIA Company, a "+" shaped spinneret is used, the spinning speed is 4200m / min, and the POY specification is 94dtex / 48f. The packaging is good, and the physical indicators of the obtained POY yarn are shown in Table 4. The specification of DTY texturized by using this POY is 78dtex / 24f, and the physical index of the obtained DTY yarn is shown in Table 5.
[0034] Table 3: The spinning process of Example 1
[0035] project
unit
craft
Screw zone 1 temperature
℃
245
Screw zone 2 temperature
℃
250
Screw zone 3 temperature
℃
255
Screw zone 4 temperature
℃
260
Screw zone 5 temperature
℃
262
Temperature of screw zone 6
℃
262
Cabinet temperature
℃
262
Head pressure
bar
150
Side blowing speed
m / s
0.6
[0036] Side blowing temperature
℃
...
Embodiment 2
[0042] On the filament spinning machine of SNIA Company, a "+" shaped special-shaped spinneret is adopted, the spinning speed is 4500m / min, and the FDY specification is 78dtex / 48f. The packaging is good, and the physical indicators of the obtained FDY silk are shown in Table 7.
[0043] Table 6: The spinning process of Example 2
[0044] project
unit
craft
Screw zone 1 temperature
℃
245
Screw zone 2 temperature
℃
250
Screw zone 3 temperature
℃
255
Screw zone 4 temperature
℃
260
Screw zone 5 temperature
℃
262
Temperature of screw zone 6
℃
262
Cabinet temperature
℃
262
Head pressure
bar
150
Side blowing speed
m / s
0.6
Side blowing temperature
℃
22±1
Side blowing humidity
RH%
65±5
Winding speed
m / min
4500
[0045] Table 7: FDY physical inde...
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