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Recently, the 100-ton high-strength and high-modulus polyimide (PI) fiber preparation technology and application project jointly undertaken by Beijing University of Chemical Technology and Jiangsu Xiannuo New Material Technology Co.
Appraisal meeting site
The appraisal committee agreed that the project has developed a complete set of industrialized preparation technology and key equipment for high-strength and high-modulus polyimide fibers, formed a series of products, and obtained major applications or assessment and verification in many high-end equipment manufacturing fields
Wu Dezhen, the project leader and professor of Beihua University, said that after the promotion and application technology development in recent years, especially with the strong support of user units, high-strength and high-modulus polyimide fiber products have been widely used in aviation, aerospace, electronics, profile manufacturing, bulletproof Explosion-proof and other fields have achieved good application evaluation, and each downstream product or equipment has completed most of the application verification work, and some applications have entered the stage of batch supply
High-strength and high-modulus polyimide fibers have excellent comprehensive properties and have always attracted the attention of the industry
Product display
Polyimide (PI) is known as the top material of the polymer material pyramid.
However, its fibers, especially high-strength and high-modulus products, are little known
As a class of high-performance aromatic heterocyclic polymers with outstanding comprehensive properties, polyimide fibers have the characteristics of high temperature resistance, flame retardancy, insulation, low dielectric and radiation resistance of polyimide materials and the advantages of high performance fibers.
Through previous reports, we can learn that the integrated spinning process of coagulation, drafting, and thermal imidization of polyamic acid solution invented by the innovative team led by Professor Wu Dezhen realizes the realization of the process from polyimide prepolymer to polyamide.
