The generation of static electricity and harm
1) Electrostatic generation: When any object is separated by other contact and then separated, the electrons are derailed by external force. This external force contains various energy (such as kinetic energy, potential energy, thermal energy, chemical energy, electromagnetic induction, etc.) to generate static electricity. .
2) Electrostatic Hazard: When the electrostatic charge generated by an object builds up more and more, forming a high potential, when it comes in contact with other uncharged objects, a high potential difference will be formed and a discharge phenomenon will occur. When the voltage reaches 300 volts or more, the static spark generated can ignite the surrounding combustible gas, liquid, dust and cause explosion!
Static electricity has seriously jeopardized people's production and life in various fields, such as military, pyrotechnics, oil, natural gas, chemical, marine, photographic materials, coal, rubber, pharmaceuticals, gas, etc.; again, fuel tank storage sector, electronic devices Manufacturing, microelectronics related industries, machinery and electronics, optoelectronics, office automation, information and communications, electronic medical, computer and other industries.
Basic classification of anti-static cloth
1) Anti-static silk (conductive silk) and anti-static super-clean fabric
2) Anti-static T/C fabric
3) Anti-static T/R fabric
4) Anti-static CVC fabric, etc.
5) Anti-static cotton fabric
Fabric anti-static processing method
1) Fabrics are treated with antistatic finishing agents;
2) Fiber graft modification for the purpose of improving the moisture absorption of fabrics, blending and interweaving of hydrophilic fibers;
3) Blended or inlaid conductive fibers;
The mechanism of action of the first two methods is to increase the moisture regain, reduce the insulation, and accelerate the electrostatic discharge. Therefore, if the processing effect is "not durable or inconspicuous" in a dry environment or after multiple washings, it is usually applied to ordinary clothing fabrics. Only the third method can solve the electrostatic problems of textiles in a lasting and efficient manner, so it is widely used in the production of anti-static overalls fabrics.
The difference between conductive fabrics and blended fabrics
1) The conductive threads in the conductive fabric are mainly embedded on the back of the fabric. The back of the fabric is a semiconductor. The front of the fabric is an insulator. Elimination of static electricity generated by the friction between the garment and the human body does not eliminate static electricity generated by friction with external equipment, and there is still electric charge accumulating on the front of the garment.
2) Because the blended fabric is the conductive fiber added to the yarn in the textile process, both the front and back of the fabric belong to the semiconductor, which can quickly and uniformly eliminate static electricity generated by the human body and clothing as well as static electricity generated on the surface of the garment when in contact with the outside world. No charge accumulates in clothing. At present, we use conductive fabrics.
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