New functions and characteristics of simulated fabric fibers
Most of the fibers in simulated fabrics are various chemical fibers, mainly new synthetic fiber raw materials. The development direction of new fibers is summarized in ten words based on the development needs of clothing fabrics, industrial fabrics and decorative fabrics: “health, comfort, environmental protection, functionality and safety”. Natural fibers have health, comfort, and environmental protection properties, but lack functionality and safety. The newly developed chemical fiber simulation fibers can achieve the characteristics of natural fibers in terms of appearance, health, and comfort, while also meeting functionality, safety, and environmental protection. Sexual requirements can be made to look natural and be better than nature. The main characteristics of simulated fabrics are as follows:
◆Fine denier and ultra-fine denier polyester differentiated fibers – worsted wool-like fabrics, ultra-high-density fabrics, waterproof and oil-proof, high-performance cleaning cloths, etc.
◆Differentiated nylon – produces imitation Angora, imitation mohair and other rough fabrics, and some imitation silk fabrics.
◆Sea-island ultra-fine composite fiber – it is composed of two thermodynamically incompatible components: sea and island. Currently, the island component is PET or PA, and the sea component is COPET, PE, PA, PS and soluble PET, etc. Currently, the main production of island microfibers is PET/COPET, PA/COPET and PA/PET. PET/COPET produces filaments and is mainly used to make deerskin-like textile fabrics, while PA/COPET or PET is short fiber and is mainly used to make synthetic leather base fabrics.
◆Moisture-absorbing and sweat-wicking fiber (modified polyester) – has a high specific surface area, numerous microporous grooves on the surface, and a special special shape in the cross-section. Using the capillary effect, the fiber has a wicking effect and quickly absorbs moisture. Moisture or sweat on the skin surface evaporates through diffusion and transfer to the outer layer of the fiber, making it suitable for sportswear. This moisture-absorbing and sweat-wicking polyester fiber has attracted attention from the textile industry in recent years, and new high-end products have been continuously developed, such as: DuPont’s coolmaxAlta, Toyobo’s TRIACTOR and EKSILIVE, Kurashiki Rayon’s PANAPACDQV, Taiwan Zhongxing’s COOLPLUS, and Far East’s TOPCOOL , Hero Company TECHMOFIME, etc.
◆Fine denier hollow fiber – such as the fine denier hollow polyester HOLLOW of Taiwan Far East Textile Company, which has the characteristics of soft (below 2D), light weight, fluffy and elastic, good thermal insulation and warmth, and can be used to make suits, jackets, coats, and warm coats. etc., it can also be used as lining, sleeping bag (goose down, duck down), etc. It has a wide range of uses.
◆Flame-retardant fiber (FITA) and high-temperature-resistant flame-retardant fiber – There are many types of flame-retardant fibers developed at home and abroad, mainly used to make decorative cloths, bedding, children’s pajamas, mattresses, plush toys, general fire-proof clothing, etc. High-temperature-resistant and flame-resistant fibers such as aramid and polymelamine melt-blown fiber (BASF’s BASOFIL fiber, etc.) can be used to make fire-resistant clothing with excellent performance.
◆Polylactic acid fiber (PLA) – It is a new polymer. Lactic acid produced by fermentation of corn starch is used as raw material. Polylactic acid solution is made into polylactic acid solution through polymerization reaction and then spun. The trade name of PLA fiber produced by American CARGILL DOW Company is INGET, and the trade name of PLA fiber produced by Japan Bellbo and Unichika Company is HACTRON and FERRAMAC. In addition, companies such as DuPont in the United States and Monsanto in Japan are also developing PLA fiber recently. It has the characteristics of new water-based wool effect and better water diffusivity than polyester, good resilience, wrinkle resistance, good flame retardancy, biodegradability, dyeing and color development, but low melting point. It can be developed with silk, Wool and other fiber blended fabrics, knitted fabrics. In recent years, the textile industry has paid attention to PLA fiber, which has good prospects.
◆PTT (polytrimethylene terephthalate) fiber – it is a new type of polyester fiber. In addition to the washable, wearable, stiff, and good dimensional stability characteristics of conventional polyester, it also has excellent durability. Elasticity (it can return to its original length after being stretched by 20%), easy dyeing (dyed below 100℃, high dye uptake rate), soft feel, good drape, fluffiness, wear resistance, stain resistance and other characteristics. It integrates the excellent properties of PET, PBT, PSC (nylon) and other fibers. It has low resilience, plump and fluffy, smooth and soft touch, which is incomparable to traditional wool/polyester blended fabrics.
In addition to the above-mentioned new chemical fibers, there are also functional fibers such as antibacterial and deodorant fibers, anti-far infrared fibers, and anti-ultraviolet radiation.
China Textile Economic Information Network
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