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Multifunctional Finishing with Nano-Materials and Pigment Dyeing in One-Bath of Blend Fabrics with Cotton

Author: SunFei
Tutor: XuHaiYu
School: Donghua University
Course: Applied Chemistry
Keywords: blend fabrics nano-materials multi-functional finishing pigment dyeing in one-bath
CLC: TS190.2
Type: Master's thesis
Year: 2007
Downloads: 55
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Abstract


People raise their living level continually in pace with development of production, so they put forward more requests on various performance of textiles. Besides the general wear performance, there are many special functions, such as anti-UV（ultraviolet）, antibacteria, water-repellent, oil-repellent and so on.The nano-material, as a new type of material, has a lot of features different from the ordinary one. The nano-technology is used more and more widely, the nano-industry adds more peculiar performance to products. By virtue of nano-technology, the traditional technology of dyeing and finishing will be rebuilt and the content of technology and science of our textiles will be improved. It is a great mission to develop multi-functional textiles incorporating comfort, health care and other functions into one.Now, there are frequently reports about using nano-materials on textiles for one function, but there are few reports on multi-functional finishing with nano-materials and dyeing in one-bath. The traditional organic anti-UV agent（absorbent） has applied to cotton fabrics for a long time, but it has a lot of defects, for example, the scope of its shield UV is narrow, the performance is bad etc; however, the nano-material anti-UV agent（shielding agent） has high stability to heat and chemistry, it is odorless, innocuity, nonirritant and other functions, what’s more, it is a broad-spectrum shielding agent and could shield from both UVA and UVB.Pigment dyeing is a special dyeing technology in the textile industry. Even early in the 1960s, patents and research papers on pigment dyeing were published, however, there wasn’t rapid development for the reason of limited technoloty level at that time. In recent years, with the development of new adhesives with perfect application properties, the pigment dyeing has been drawn more and more attention and popularized both at home and abroad again. There is not only meaning of theory research, but also great value of practice of multi-functional finishing with nano-materials while dyeing in one-bath.In this paper, the nano-materials were studied by FTIR, considered on the factors of particle size, subsidence performance and UPF （ultraviolet protect factors） of finished textiles, the finishing agent N-2 was chosen, whose optium dosage was 10g/L; the data of Zeta electrial potential in the finishing bath were observed by the particle size and the Zeta potential instrument, so the particle size and particle distribution are analyzed.With SEM, the nanoscale powder distributed on the fiber is observed. Besides, by studying the changes of dispersing way to estimate its dispersive effect. Finally, the optium dispersing conditions and the dosage of dispersant are determinated; In this paper, the steady compatibility of nano-material N-2 with nano- modified water repellent agents FSJ-280F is discovered through lots of experiments. By adding electrolyte like Na2SO4 and adhesive could make them more steadily compatible. The paper studies the pigment dyeing technical parameters and screens out the ideal pigment dyeing auxiliary which endows the dyeing textiles with better dyeing performance and physical performance. The study shows that Nano-materials not only have good compatibility with pigment dyeing liquid, but also have very good anti-ultraviolet and water repellent effect after being technically optimized, and the finished fabrics meet the need of dyeing too.With the research achievements, we have fulfilled multi-functional finishing of fabrics with nano-materials and pigment dyeing in one-bath successfully, which will help mills to shorten the production processing and save energy, raise labor productivity as well. The research achievements can help to develop new products, with good application prospects.

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CLC: > Industrial Technology > Light industry,handicrafts > Textile industry,dyeing and finishing industry > Dyeing and finishing industry > General issues > Dyes, pigments, pharmaceutical and additives
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