Textile Fabrics Performance Flame Retardant Antistatic Properties
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With the improvement of people’s living standards and increased security awareness, many textile fabrics (such as fire-fighting clothing, hotels used in public places such as hotels and restaurants, industrial fabrics, decorative fabrics, etc.) need to have different degrees of flame-retardant properties.
General flame-retardant fabrics should have the following conditions: no longer burn after leaving the flame; have better durability (washable, dry-clean, weather-resistant); do not affect hand after finishing; fabric strength reduced less; will not dye products Discoloration, fading, no effect on color fastness; no toxicity, no irritation to the skin.
There are two methods for the formation of flame-retardant fabrics: one is to add fire-retardant materials to the road spinning solution to make flame-retardant fibers, and then use flame-retardant fibers to weave into textile fabrics; the other is to natural fibers or chemical fibers. The fabric is fire-retardant or denatured.
Generally speaking, cotton, viscose fiber, acetate fiber is flammable fiber; acrylic, wool, nylon and silk are combustible fiber; modified synthetic fiber, such as vinyl chloride and acrylonitrile copolymer fiber is flame-retardant fiber; asbestos, glass fiber and metal Fiber is non-flammable fiber.
Anti-static properties of two fabrics
In the production environment of precision instruments, work clothes are required to have high antistatic properties; in everyday clothes, especially in underwear, if static electricity or static electricity builds up, the skin will feel excessively dry and uncomfortable while wearing; If static electricity is easily generated or static electricity is accumulated, it is easy to adsorb floating dust in the atmosphere to stain the clothes. Fabrics made from synthetic fibers that have poor electrical conductivity can be used with high voltages of more than 10 kV when re-used. This inevitably results in electrical discharges, which can sometimes cause great harm to the human body or equipment.
Electrostatic problems on textile fabrics can be controlled by accelerating the rate of charge dissipation or suppressing the occurrence of static electricity. Most fabrics are good electrical insulators under normal atmospheric conditions. In the process of friction between textile fabrics and other materials, many charges will inevitably occur. For cellulosic fiber fabrics with good hygroscopicity and low resistivity, the frictionally generated charge tends to dissipate and does not accumulate a large amount of static charges. Generally, no obvious static phenomenon occurs during processing and use; but most Synthetic fiber fabrics have poor hygroscopicity and have a high friction coefficient between fibers and can easily accumulate static charges on the fibers.
There are two main ways to improve the antistatic properties of synthetic fiber fabrics: First, to improve the hygroscopicity of synthetic fibers. Due to the close relationship between the moisture absorption properties of the fibers and the leakage resistance of the fibers, when the moisture absorption properties of the fibers are improved, the antistatic properties of the fibers and their fabrics can be improved; the second is the production of conductive fibers, followed by a small amount of conductive fibers. Blended and interlaced with conventional fibers, conductive fibers are used for conducting or corona discharge to effectively discharge the charge.
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