In order to make up for the gap caused by high costs, nylon fiber products at this stage will surely develop in the direction of high added value. In the market development of new nylon materials, the goal should be "pursuit of quality rather than output." The core technology of nylon's new products is compound processing and spinning's kneading technology, and through composite materials such as nylon profiled new materials and nylon microfibers. The nylon fabric exhibits a soft and smooth feel that is different from polyester, a unique fluffy feel, and a natural surface feel. The improvement in the production technology of nylon processed yarns has made the variety of nylon fiber varieties more diversified and can increase the added value of its products in order to further replace some of the polyester fiber market.
First, nylon processing technology and trends
From the use of distinction, the global nylon fiber can be divided into three categories: clothing, industrial and home furnishings. Among them, industrial use accounted for 22%, furniture used accounted for 50%, and clothing use accounted for only 28%.
Nylon fiber has excellent performance in terms of flexibility, elastic recovery and wear resistance, alkali resistance and acid resistance. In addition, it is a leader in human fiber products in terms of moisture absorption and light weight. DuPont and Germany BASF have successfully developed a new open-loop process that can produce nylon 6 and nylon 66 chips at the same time, which can save one-third of the production cost, thereby reducing the nylon fiber selling price and increasing the market competitiveness. It can be seen that the nylon fiber products at this stage will surely move toward high value-added to make up for the gap caused by the high cost.
Second, nylon imitation silk material
Nylon fiber has excellent elongation recovery rate, and its Young's modulus is lower than that of polyester fiber, so it has a soft and rich feel, and can be used as an imitation silk material. It is made of nylon blended filaments with different shrinkage rates, which are obtained through different stretching and heat treatment processes. Using this kind of fabric with different shrinkage ratios of nylon mixed filaments and superfine fiber composite yarns, after the dyeing and finishing process, because the surface of the fabric oozes 0.6 denier superfine fibers, the fabric has a mild luster and a soft touch. Its performance is much better than traditional nylon taffeta. Japan's Unitika's imitation of staple fiber silk nylon fabric "Meling" is this product, Meling fabric also has high hair color and dye fastness.
Third, new light material
Nylon fiber has a lighter weight and therefore its fabric has a light feel. The use of differentiated hollow fiber technology, or a double cross-section, is a biaxially-intersecting hollow structure, and ultra-light, fluffy fibers can be obtained. The Microart of Unitika, Japan, is a double cross section with a hollow structure that is biaxially crossed. Microart fiber hollow rate design up to 38%, fabric fluffy, lightweight, good insulation, special profiled cross-section so that it has a waterproof and breathable effect, mainly for casual wear or spring, summer and fall.
Fourth, new elastic composite materials
This kind of fiber is a bicomponent composite fiber with PU elastic fiber as the core and nylon as the sheath. It has the advantages of high PU elasticity and light weight of nylon. It will have automatic curling effect after heat treatment, so its fabric has good The flexibility and comfort, with a luxurious natural transparent skin effect. Its main uses are women's underwear, knit socks such as tights and socks, and are suitable for women's clothing, showing soft and generous features.
V. New Functional Materials
These materials include flame-retardant fibers, anti-pilling fibers, anti-ultraviolet fibers, anti-bacterial and deodorant fibers, anti-static fibers, anti-fouling fibers, release-controlled aromatic fibers, high-shrinkage fibers, and far-infrared fibers.
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