Comparable To Traditional Process &Nbsp; New Technology Of Textile Dyeing And Finishing.

"Our Conserve energy,reduce emissions The pre-treatment and dyeing process is based on the requirements of textile properties and processing equipment, through the integration of research results of enzymes and chemicals, to achieve the purpose of energy saving and emission reduction, and to innovate the dyeing and finishing process of traditional textiles. new technique We call it "biochemical dyeing and finishing technology for textiles." Zhang Qing, vice president of Shanghai Textile Science Research Institute, said.

At present, the Shanghai Textile Science Research Institute (hereinafter referred to as the Shanghai Textile Academy) has developed a series of auxiliaries for this new dyeing and finishing process. If it is not needed, it can achieve good whiteness and wool effect, Ke Lintai 200 auxiliary agent for cold woven fabric cold process. It can be used in the 800 auxiliary auxiliaries of cylinder yarn, skein yarn and bulk fiber bleaching. It has the functions of deaeration and polishing, and it can also be used in conjunction with the activity of Shanghai. dyestuff The composite enzyme TX121 in one bath can be used instead of soda ash to fix the color fixing agent DS101 for reactive dyes.

According to Zhang Qing, the biochemical dyeing and finishing technology of textiles is currently suitable for the processing of cotton and its blended fabrics, including the cold pad / steaming dyeing and finishing process of cotton knitted fabrics, the pure cold reactor technology of cotton shuttle fabric, the dyeing and finishing technology of cotton / ammonia polishing and dyeing, the whole cotton darker fabric, the dyeing and finishing process of one bath for cotton blended fabric, the hydrogen peroxide free bleaching process for yarn, fiber and fabric, and the biochemical treatment technology of ramie degumming industry. The use of biochemical dyeing and finishing technology of textiles can effectively reduce processing procedures, shorten processing time, reduce energy consumption and water and electricity consumption. If the existing cold reactor technology generally needs a short steaming process to get wool effect, the pure cold reactor technology of cotton woven fabric will omit this step and further reduce energy consumption.

Polyester cotton fabric is one of the most popular textile fabrics. It has the advantages of low price, good moisture absorption and good shape retention. However, because the fabric contains different components, the dyeing process is rather cumbersome. The traditional dyeing process must include three processes: Cotton component pretreatment, dyed dyeing and cotton dyeing. It not only takes time, but also has large energy consumption and low efficiency, and many quality control points, and the product quality is not easy to control. Zhang Qing said that the Shanghai Textile Academy has created a highly efficient and energy saving new process of polyester cotton dyeing and finishing by combining the complex enzyme TX311 with other chemical agents. The process has shortened the technological process, achieved the goal of energy saving and emission reduction, and improved processing efficiency. The color difference, color fastness to washing and fastness of the finished fabric are all comparable to those of the traditional process.

Cotton / ammonia polishing dyed knitted fabric is a difficult knitted product, mainly due to the yellowing of the cloth, long process, complex control of color and polishing effect, and time-consuming processing. The Shanghai Textile Academy has applied biochemical dyeing and finishing technology, reducing the total processing time from 275 minutes to 175 minutes, reducing water consumption from 50 tons to 15 tons, reducing power consumption from 114 degrees to 73 degrees, and reducing coal consumption from 125 kg to 82 kg.

The technology of ramie degumming is one of the most concerned processes in recent years. Traditional ramie degumming requires a lot of acid and caustic soda, which is not only cumbersome and complex, but also produces a lot of high alkali waste water. It has both environmental problems and ramie fiber damage. The biochemical treatment technology of ramie degumming in Shanghai Textile Academy has eliminated the washing process, reduced the frequency of alkali washing and shortened the time of degumming labor by nearly 50%. The technology uses compound enzyme TX311 and other biological enzyme assistants, and the homogeneous enzyme decomposition effect is supplemented by mechanical and chemical means such as extraction, fiber beating, bleaching and so on, so that the fiber residual gum rate is low and the strength is maintained well, and the yield and spinnability are greatly improved. The energy consumption of water and steam is reduced by about half of that of the traditional process, and the COD index of sewage discharge is reduced by 70% compared with the traditional process.

Zhang Qing said that the biochemical dyeing and finishing technology of textiles has been widely applied in enterprises such as Shanghai three gun group. Practice has proved that the technology is relatively mature, and has significant advantages in improving work efficiency, saving energy and reducing consumption. He hopes that the biochemical dyeing and finishing technology of textiles will contribute to the upgrading of enterprises and energy conservation and emission reduction in the future.

The biochemical dyeing and finishing technology of textiles is the renovation of traditional dyeing and finishing technology by modern biotechnology. It absorbs the latest achievements of modern biotechnology and combines closely with modern dyeing and finishing technology.

The biochemical dyeing and finishing technology of textiles is currently suitable for the processing of cotton and its blended fabrics, which can improve the quality of finished products, simplify the processing technology, improve work efficiency, save water, electricity, energy consumption, reduce pollution and reduce processing costs, so it is of great significance and value in the industry.