Dyeing and Finishing Technology Matsui Hengjing of Hiroshima University has long been engaged in the research of bionic technology, and through the acquisition of 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 here and are characterized by new synthetic fibers. However, there is still a lack of real difference in feel and appearance. The study of natural fibers has achieved a very high level of beauty, feel and wearing comfort. In particular, a large variety of artificial fabrics have created a new age of synthetic fibers. One example is the modification of the surface of the microfibrils by polymer modification, resulting in a delicate silky feel and elegant appearance. A variety of modified wool-like fibers have been developed using this key technology for compounding two different types of false twisted yarns.
Recently, modifications in the feel and appearance have become popular. Similar differentiation has also been applied to the control of bionic technology to produce rayon and artificial leather fibers. Second, to make bionic fibers more competitive, process rationalization and finishing are very important. The further improvement of the new bionic fiber also needs to create a more refined art. For example, enhanced retractable feel has been obtained by mixing bicomponent fibers or blending elastic fibers with a composite false twisted yarn. The Teijin company recently studied a variety of butterflies to create a epoch-making fiber with a multi-micro structure with a fiber cross-section of 0.07 micron without the need for dyeing. Only the light interference effect can produce a vivid color. Its application in textile and functional material technologies are all growing. Daegu Tikoku University's Takayoshi Chi introduced the bio-scouring technology of cotton fiber.
Sculpting is an important process step to remove impurities on the surface of cotton fibers in order to make the bleaching, dyeing and finishing of the fibers easy and reproducible. Bioscouring is a biotechnological method using enzymes instead of caustic soda. There are many advantages to biological refining compared to caustic soda method. Ecological aspects (l) 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 aspects (l) Soft and smooth feel; (2) Natural feel; (3) High reproducibility. There are many impurities on the surface of the raw cotton fiber. The scouring process is to remove the contained protein, pectin and wax. Possible enzymes for this purpose are proteases, cellulases, pectinases, hemicellulases, lipases, and the like. In particular, pectinase can be homogenized with the bath in the presence of cellulase and lipase.
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