Antistatic, conductive and electromagnetic shielding textile and preparation method thereof
An electromagnetic shielding and textile technology, applied in the field of functional textiles, can solve the problems of not being able to meet the wearing requirements, the metal fiber is not resistant to folding, and the appearance of the fabric is not good, so as to achieve the effect of good appearance, difficult control and high electromagnetic shielding effect
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Embodiment 1
[0080] The first step is to select nylon 66 filaments and wash them with detergent solution to remove oil and dirt;
[0081] In the second step, the fiber filaments are arranged neatly and wound into a shaft;
[0082] The third step is to activate the fiber filaments. A resin layer containing precious metals is formed on the surface of the fiber filaments by means of padding activation solution. The activation solution contains 0.2% silver nanoparticles, 0.3% polypyrrolidone, 3% polyurethane, 0.01 For the dispersion system of %JFC, the temperature of the activation solution is 30°C, the excess rate is 70%, and it is dried in an oven at a temperature of 170°C and a drying time of 10 minutes;
[0083] The fourth step, electroless copper plating, using sodium hypophosphite as a reducing agent, pH 9, bath temperature 65°C, immersion plating time 5 minutes, the bath contains:
[0085] Nickel sulfate 0.5g / L
[0086] Citric acid 20g / L
[0087] Boric ...
Embodiment 2
[0103] The first step is to select acrylic filaments and wash them with a detergent solution to remove oils and dirt;
[0104] The second step to the seventh step are the same as example 3;
[0105] The eighth step, blending 5% conductive staple fiber, 35% polyester, and 60% wool to make 48 yarns;
[0106] The ninth step, weaving and dyeing and finishing process to make permanent antistatic fabric.
[0107] The prepared antistatic fabric was tested, and the static voltage half-life was 1.8 seconds.
Embodiment 3
[0109] The first step is to select polyester filaments and wash them with detergent and alkaline solution to remove oil and dirt;
[0110] In the second step, the fiber filaments are arranged neatly and wound into a shaft;
[0111] The third step is to activate the fiber filaments. A resin layer containing precious metals is formed on the surface of the fiber filaments by means of padding activation solution. The activation solution contains 0.2% palladium nanoparticles, 0.3% polyvinyl alcohol, and 2.5% acrylate , 0.01% JFC dispersion system, the temperature of the activation solution is 40°C, the excess rate is 65%, and it is dried in an oven at a drying temperature of 190°C and a drying time of 6 minutes;
[0112] The fourth step is electroless copper plating, using formaldehyde as a reducing agent, pH 12.5, bath temperature 45°C, immersion plating time 2 minutes, copper plating bath contains:
[0114] Sodium Potassium Tartrate 15g / L
[0115]...
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