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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.

Inactive Publication Date: 2016-06-15
ZHANGJIAGANG ANSHUN TECH DEV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The negative ion effect of nylon staple fiber obtained by this method cannot last

Method used

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Examples

Experimental program
Comparison scheme
Effect test

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

The invention discloses a production method of negative ion nylon staple fiber, which comprises the following steps: 1) dropping 5-10 wt% sodium silicate aqueous solution into a suspension liquid of 300-400 mesh tourmaline fine powder with a solid content of 40-60% , keep the constant temperature at 50-70°C for 10-30 minutes, then separate the solid from the liquid and dry the solid to obtain anion particles; 2) mix nylon slices and anion particles at a weight ratio of 10-5:1, and heat up to a molten state , granulating to obtain the masterbatch; 3) spinning the masterbatch, cleaning, drying and winding the spinning to obtain far-infrared nylon staple fibers. Compared with the prior art, the nylon staple fiber obtained by the invention has good anion function, long-lasting effect, a tensile strength of more than 120Mpa, and a bending strength of more than 150Mpa.

Description

technical field [0001] The invention relates to a production method of negative ion nylon staple fibers, which belongs to the field of new materials. Background technique [0002] Nylon is the trade name of polyamide fiber, also known as nylon (Nylon). The English name is Polyamide (referred to as PA), and its basic constituents are aliphatic polyamides linked by amide bonds. [0003] Chinese patent 200510015839.3 relates to a nylon 6 negative ion short fiber and its manufacturing method. The fiber includes negative ion functional masterbatch and nylon 6 chips, and its weight ratio is 1:5-10; the negative ion functional masterbatch includes: functional powder, carrier chip, dispersant, coupling agent, antioxidant, and its weight The ratio is 20:79.5:0.2:0.1:0.2. Its manufacturing method comprises the following steps: 1. Preparation of negative ion functional masterbatch: (1) preparing functional powder: adopting tourmaline powder as functional powder; (2) putting function...

Claims

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Application Information

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IPC IPC(8): D01F6/90D01F1/10
CPCD01F6/90D01F1/10
Inventor 李纪安
Owner ZHANGJIAGANG ANSHUN TECH DEV