The Research and Application Status of Natural Dyes in China

Dr. Xuedong Wu from the State Key Laboratory for Modification of Fiber Materials at Donghua University pointed out that China’s research and application of natural dyes are similar to international standards. Unlike other industrial fields, there is a large gap, but it is still mainly universities and research institutions. At the level of guiding research and application development, the degree of industrialization of raw materials and applications is not high, and it is not matched. At present, the application scale and total amount of natural dyes are still very small, so the industrialization road is still very long. He believes that the way out of industrialization should be in the textile and clothing industry, not the food and cosmetics industry. The market for the industrialization of textiles and apparel applications In China, China should become the largest producer and user of natural dyes. The core value of natural dye applications is its safety and biomedical properties.

Dean of the Institute of Textiles of Donghua University, Professor Wang Hao talked about the importance of the country's research and development and application of natural dyes. She said that the School of Textiles of Donghua University and Jiangsu Haishu Group have jointly undertaken the project of “National Natural Dyestuff Preparation and Applied Technology in Eco-textile Development and Wool Cleaner Production” of the National 863 High-tech Project since 2002, and it has been completed. In many aspects, it has reached the level of industrialization. For example, the “Green” environment-friendly high-grade fabrics made from plant dyes meet the requirements of high-strength, light-weight and functional diversification of worsted wool at home and abroad, and are also in line with the current internationally advocated environment-friendly natural fabrics. Claim. Sweaters dyed with natural dyes are exported to South Korea, which shows that the international market needs a lot of space.

Prof. Dian Guanghui of Shanghai Jiaotong University’s College of Agriculture and Biology is a member of the International Natural Dyestuffs Society and holds a Ph.D. in law. During his Ph.D. in Medicine at the University of First Pharmacy in Montpellier, France, he conducted basic research on the dyeing of medicinal plants. After returning to China in 1998, he devoted himself to the data collection and collection of dye functional plants at home and abroad, and the establishment of its database. At present, there are 300 species of plants with dyeing functions. Through the research on 30 kinds of natural dye plants, they have developed yellow, red, and green color natural dyes that can dye wool and silk products and have certain fastness, and have already declared 3 national invention patents.

The reporter learned that in recent years, China's development of natural dyes is also actively being explored. Many institutes such as the Dalian Institute of Chemical Physics of the Chinese Academy of Sciences, the Beijing Institute of Fashion and the University of Suzhou have research on the dyeing of natural dyes. . The Chinese Academy of Textile Science has produced Natural Yellow (TR-Y) and Natural Green (TR-G) for the dyeing of cotton and silk. In terms of industrialization, there are natural tea dyeing dyeing towel products developed by the Vosges Home Textiles Company and the Beijing Tongni Group Tongniu brand children's clothing natural plant dye series dyeing products.

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