Electrostatic phenomena and conductive fibers
1. Static electricity and its hazards Fabric materials are generally insulating materials with high resistivity, especially synthetic fibers, such as polyester, polyamide fiber, polyolefin fiber, etc., which are mostly non-polar materials with poor hygroscopicity and low conductivity. , they generate static electricity due to friction. Since fabrics made of such synthetic fibers can carry a high potential of more than 10kv when used, discharge phenomena will inevitably occur, sometimes causing great harm to the human body or equipment. In industries such as explosives, coal mines, petroleum, chemicals and fabrics, static discharge sparks may cause fires and explosions of flammable and explosive materials. Chemical fibers and natural fibers such as acetate fiber, polyester fiber, wool, etc. are hygroscopic and have stronger static electricity caused by friction than synthetic fibers. However, if they are in a low-humidity environment, static electricity will still occur and cause many hazards. Therefore, people pay more and more attention to the antistatic properties of fibers and fabrics. Whether from the perspective of hazard prevention or product quality control, the removal of static electricity hazards has become an urgent problem to be solved in people’s production and life.
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