Although there are some controversies about functional curtains, especially the detection, standards, and certification of their functions have yet to be perfected, but some unique functions and high added value have attracted the attention of consumers and enterprises. There are also many types of functional curtains, mainly including the following varieties.
Flame-retardant curtains: At present, the fire protection regulations formulated in China require certain flame retardancy for some public places such as high-end hotels, theaters, terminal buildings, passenger stations, hospital wards, and curtains in the financial and telecommunications departments. According to the scale and grade of the site, the required flame retardant performance is B1 (vertical damage length ≤ 150mm, afterburning time ≤ 5s, oxygen index ≥ 32) and B2 (vertical damage length ≤ 200mm, afterburning time ≤ 15s, oxygen index ≥27). In order to ensure that in the event of a fire, it will not expand the fire due to the spread of curtains. The processing method can be woven by flame-retardant fiber, that is, by chemical fiber or glass fiber added with a flame retardant. The flame retardant can also be produced by attaching a flame retardant to a natural or chemical fiber curtain fabric by a coating method or a padding method. The flame retardant and flame retardant process used should be long-acting, low-toxic, non-melting, low-smoke, washable and without affecting the post-processing process and hand feeling, dyeing, drape and the like. With the development of China's economy and science and technology, the requirements for flame retardancy of high-end residential buildings and commercial and residential buildings have become stricter. This kind of flame-retardant curtains can also be used as fire-extinguishing blankets to extinguish small fires and develop new high-efficiency resistance. Burning curtains will be the trend of the times.
Anti-static curtains: The static phenomenon in the arid regions of northern China is more serious in winter, especially when wearing chemical fiber products, it is easy to generate static electricity, and it is often shocked when opening and closing curtains. Anti-static curtains generally add conductive fibers to the fabric, or anti-static treatment of the fabric with strong hygroscopicity to reduce the generation of static electricity. The conductive fibers to be added include metal fibers, carbon fibers, and organic conductive fibers, and conductive components such as carbon nanotubes and carbon black may be added to common chemical fibers, or hydrophilic or conductive components may be introduced into the hydrophobic synthetic fiber macromolecule. The addition of a certain amount of such fibers during spinning or weaving greatly eliminates static electricity.
Photodegrading detox curtains: also known as photocatalytic or photocatalyst curtains. At present, China's cities are developing rapidly, and the resulting air pollution is becoming more and more serious. While indoor non-environmental decoration, some synthetic flooring, furniture and textiles may contain volatile organic compounds such as formaldehyde, ammonia and benzene during processing. The pollution caused by indoor personnel has accounted for nearly one-fifth of the pollution source. Indoor stoves, toilets, cosmetic detergents, flowers and plants, fruits and vegetables, animal plush droppings, etc. are constantly emitting odorous gas, causing alternating air pollution. Photodegradable curtains can, to a certain extent, eliminate some harmful substances and degrade them. The mechanism is that the anatase nano TiO2 particles are added to the fabric of the curtain by various processes, and when the ultraviolet rays are irradiated onto the surface of the particles, a highly active hole/electron pair is generated, and the holes have oxidizing ability and electrons. It has reducibility and can cause redox reaction of formaldehyde and other substances to be degraded into CO2 and H2O. These electrons and holes will also adsorb positively charged bacteria or other organic organisms in the air to their surface, neutralize the reaction, inhibit bacterial respiration and cause the bacteria to die due to cell wall and cell membrane rupture. Therefore, the curtains are used on windows that are exposed to sunlight or light, and the cleaning effect is better.
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