Present situation of biomass fiber
Compared with foreign countries, the development of chitin textiles in China started late, and the experiment of chitin was carried out in 1952. 199 1 year, Donghua university successfully developed chitin medical suture, and then successfully developed chitosan medical dressing (artificial skin), and applied for a patent. 1999-2000, Donghua University developed chitin series blended yarns and fabrics, and made them into various healthy underwear, pantyhose and baby products. In 2000, in Weifang, Shandong Province, the world's first Korean-owned enterprise mass-produced pure chitin fiber and put it into production, with a monthly output of 3 tons. In addition to Shanghai, related manufacturers in Beijing, Jiangsu, Zhejiang and other provinces and cities have also developed chitin health underwear or bedding, and have put it on the market.