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Dyeing and finishing technology Matsui Hiroshi of Hiroshima University has long been engaged in the research of bionic technology, and by drawing natural knowledge, it creates beautiful and comfortable bionic fibers. In the past 10 years, fiber and textile technology have made great progress. About 40 new fabrics have been commercialized and have the characteristics of new synthetic fibers. However, there is still a lack of real difference in terms of feel and aesthetics. The study of natural fibers has achieved a high level of aesthetics, feel and wearing comfort. In particular, a large number of various simulation fabrics have created a new era of synthetic fibers. An example of this is the use of polymer modification to obtain the surface structure of the microfibrils, resulting in a fine silky feel and an elegant appearance. A number of modified wool-like fibers have been developed using a key technology that combines two different false twist yarns.
Recently, modification in the feel and appearance has become popular. Similar differentiation has also been applied to control rayon and simulated leather fibers using controlled bionics. Secondly, in order to make bionic fiber more competitive, process rationalization and finishing is very important. Further improvements in new bionic fibers will require more refined artistry. For example, the enhanced stretchability feel has been obtained by mixing bicomponent fibers or by mixing elastic fibers with composite false twist yarns. Recently, Teijin has researched a variety of butterflies to create an epoch-making fiber with a multi-microstructure and a fiber cross-section of 0.07 micron. No dyeing is required, and only a light interference effect can produce a vivid color. Its applications in textile and functional materials technology are growing. Gao Wanche, from the University of Rice, introduced the bio-scouring technology of cotton fiber.
Refining is an important process step to remove impurities from the surface of cotton fibers to make the bleaching, dyeing and finishing of the fibers easy and reproducible. Bioscouring is a biotechnological approach using enzymes rather than caustic soda. Biological refining has many advantages over the caustic soda method. Ecological aspects (1) biochemical reactions with enzymes; (2) reduction of energy costs; (3) reduction of pollutants in wastewater. Safety aspects (l) work environment safety; (2) chemical reactions under mild conditions. Quality (l) soft and smooth hand; (2) natural feeling; (3) high reproducibility. There are many impurities on the surface of the raw cotton fiber, and the scouring process is to remove the protein, pectin and wax. Enzymes which can be utilized for this purpose are protease, cellulase, pectinase, hemicellulase and lipase. In particular, pectinase can be scoured in the same bath as cellulase and lipase.
Waterproof fabrics on the market are dazzling and colorful, including a large number of chemical fiber fabrics, blended fabrics, interwoven fabrics, and pure cotton fabrics. In terms of color varieties, there are dyed, printed, and colored stripes. There are more than 1,000 varieties, which can meet the different needs of people. The so-called waterproof coating fabric, generally the surface of the fabric is treated with a waterproof agent, or the surface of the fabric is coated with plastic, PU, PVC, PA, etc., so that the fabric has waterproof work clothes, waterproof jackets, waterproof travel clothes, and can be used as Umbrella cloth, tent cloth, luggage cloth, school bag cloth, hat cloth, shower curtain cloth, car cover, cargo cover cloth, etc., so its sales are increasing year by year. At present, the sales of the listed waterproof chemical fiber spring sub-fabric, waterproof matte nylon fabric, printed trilon waterproof shower curtain fabric, waterproof nylon cotton canvas, waterproof camouflage Oxford Fabric and other varieties are all active.
[Characteristics of waterproof fabric]
1. Heat resistance: The waterproof fabric and polyester waterproof and breathable fabric have excellent heat resistance and low temperature resistance after Teflon coating. It can withstand high temperature up to 300 °C in a short time, and can be used continuously between 240 °C and 260 °C. It has significant thermal stability. It can work at freezing temperature without embrittlement and does not melt at high temperature.
2. Wear resistance: Breathable fabric and polyester Waterproof Breathable Fabric have excellent wear resistance under high load. Under a certain load, it has the dual advantages of wear resistance and non-adhesion.
3. Corrosion resistance: Long nylon breathable fabric and polyester waterproof breathable fabric are almost resistant to chemical corrosion, which can protect parts from any kind of chemical corrosion.
4. Non-stick: The waterproof fabric and polyester waterproof and breathable fabric are bonded by Teflon coating. Very thin films also show very good waterproof, oil-proof and stain-proof functional fabrics.
5. Moisture resistance: Long breathable fabric and polyester waterproof breathable fabric coating film surface is free from water and oil, and it is not easy to be stained with solution during production operation. If there is a small amount of dirt, it can be removed by simple wiping, saving man-hours and improving work efficiency .
Outdoor Waterproof Fabric,Water Repellent Outdoor Fabric,Outdoor Water Resistant Fabric,Waterproof Upholstery Fabric
Suzhou Yipai Textile Co., Ltd , https://www.fabric-yp.com