Production method of negative-ion chinlon short fibers
The technology of a nylon staple fiber and a production method is applied in the production field of negative ion nylon staple fiber, which can solve the problem that the negative ion effect of the nylon staple fiber cannot be lasting, and achieve the effect of good function and lasting effect.
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Embodiment 1
[0017] 1) Drop 5 wt% sodium silicate aqueous solution into a suspension of 300-400 mesh tourmaline powder with a solid content of 40%, keep it at a constant temperature of 50°C for 10 minutes, then separate the solid from the liquid and dry the solid to obtain anion particles;
[0018] 2) Mix nylon chips and nano antibacterial masterbatch according to the weight ratio of 10:1, heat up to 320°C, and granulate to obtain masterbatch;
[0019] 3) The raw material solution was spun by wet spinning, the temperature was controlled at 215° C., and the spun yarn was cleaned, dried and wound with deionized water at a winding speed of 25 m / min to obtain far-infrared nylon staple fibers.
[0020] After testing, the tensile strength reaches 125Mpa, the bending strength reaches 150Mpa, and the negative ion concentration is 1885 / cm 3 .
Embodiment 2
[0022] 1) Drop 10 wt% sodium silicate aqueous solution into a suspension of 300-400 mesh tourmaline powder with a solid content of 60%, keep it at a constant temperature of 70°C for 30 minutes, then separate the solid from the liquid and dry the solid to obtain anion particles;
[0023] 2) Mix nylon chips and nano antibacterial masterbatch according to the weight ratio of 5:1, heat up to 320°C, and granulate to obtain masterbatch;
[0024] 3) The raw material solution was spun by wet spinning, the temperature was controlled at 245° C., and the spinning was cleaned, dried, and wound with deionized water at a winding speed of 165 m / min to obtain far-infrared nylon staple fibers.
[0025] After testing, the tensile strength reaches 120Mpa, the bending strength reaches 155Mpa, and the negative ion concentration is 2085 / cm 3 .
Embodiment 3
[0027] 1) Drop 8 wt% sodium silicate aqueous solution into a suspension of 300-400 mesh tourmaline powder with a solid content of 50%, keep it at a constant temperature of 670°C for 20 minutes, then separate the solid from the liquid and dry the solid to obtain anion particles;
[0028] 2) Mix nylon chips and nano antibacterial masterbatch according to the weight ratio of 8:1, heat up to 320°C, and granulate to obtain masterbatch;
[0029] 3) The raw material solution was spun by wet spinning, the temperature was controlled at 230° C., and the spun yarn was cleaned, dried and wound with deionized water at a winding speed of 100 m / min to obtain far-infrared nylon staple fibers.
[0030] After testing, the tensile strength reaches 125Mpa, the bending strength reaches 155Mpa, and the negative ion concentration is 1985 / cm 3 .
[0031] Example 1-3 Tensile strength test standard DIN53455, bending strength test standard DIN53452, negative ion concentration test standard GB / T30128-20...
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Abstract
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