Xiaobian learned that polypropylene fiber can be divided into long fiber, short fiber, spunbonded non-woven fabric, meltblown non-woven fabric, etc., then let Polyester Information Network Xiaobian introduce you to the application trend of polypropylene fiber in the garment industry. Let's go.
Polypropylene long fibers can be divided into ordinary long fibers and fine denier long fibers (single filament denier ≤ 2.2 dtex, which can be used to produce garments and decorative and some industrial filament products.
Polypropylene fine denier long fiber has good gloss, soft handfeel, good drape and low density. It is suitable for the knitting industry. When it is interwoven with cotton, viscose, silk, spandex, etc. into cotton cover C, silk cover C and other products, it is made. The ideal material for high-end sportswear, T-shirts, etc.
Most of the production process of polypropylene short fibers adopts a porous, low-speed, continuous process, that is, a short spinning process. Polypropylene staple fiber blended with cotton, can be made into cotton cloth, bed sheets, that is, fiber and viscose blend can be used as a blanket. Polypropylene pure and blended yarn, polypropylene blanket, carpet, polypropylene cotton wool filter. The fiber for sanitary products has a thickness of 1.5 to 2.5 dtex, and the fibers for the above-ground fabric have a thickness of 5 to 10 dtex. The length of the fiber is 1.5-200.0 mm, depending on the use of the fiber. The length of the short fibers used as concrete is 1.5-200.0 mm, the length used as the diaper is generally 40.0 mm, and the length used as the above-ground fabric is 60.0 mm.
Spunbond non-woven fabric, also known as filament non-woven fabric, is made by extruding, extruding, laying, and bonding polypropylene raw materials. It has the characteristics of short process, low cost, high productivity, excellent product performance and wide application.
Polypropylene non-woven fabrics are widely used in various fields of production and life (such as disposable medical and hygiene products, primary anti-fouling clothing, agricultural cloth, furniture cloth, lining of footwear industry, etc.).
The melt-blown non-woven fabric technology produces very fine fibers (up to 0.25 μm). The melt-blown fabric has a large specific surface area, small pores and large porosity, so its application properties such as filterability, shielding and oil absorption are used. Non-woven fabrics produced by other separate processes are difficult to obtain. Meltblown nonwovens are widely used in medical and health care, thermal insulation materials, and filtration materials.
The hygroscopicity and dyeability of polypropylene fibers are the worst in chemical fibers, hardly hygroscopic, and their moisture regain is less than 0.03%. Fine-denier polypropylene has a strong wicking effect, and water vapor can be removed by capillary tubes in the fiber.
After the garment is made, the comfort of the garment is good, especially the ultra-fine polypropylene fiber, which can transmit sweat more quickly and maintain the comfort of the skin due to the increased surface area. Because the fiber is not hygroscopic and the shrinkage rate is small, the polypropylene fabric has the characteristics of easy washing and quick drying.
The dyeability of polypropylene is poor, the color is light, and the color fastness is poor. Ordinary fuels can not be dyed, and most of the colored polypropylene is produced by pre-spinning. The raw liquid coloring, fiber modification, and the fuel complexing agent may be blended before melt spinning.
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