In January 2004, Hubei organized experts to identify the technology of nano-flame retardant polypropylene (PP) special materials jointly researched and developed by Wuhan Petrochemical Plant and Huazhong University of Science and Technology. The experts all agreed that the technology is advanced and reasonable, and the integration of flame-retardant functions with reinforcement and toughening has been achieved, reaching the international advanced level.
This technology uses Sb2O3 to make PP flame-retardant, and at the same time realizes the reinforcement and toughening of PP. PP-based nanocomposites with excellent flame-retardant properties and mechanical properties are obtained. After filling 5% of nano-Sb2O3, the resistance The combustion performance reaches V-0 level and the mechanical properties are good. The innovation of this technology lies in the use of in-situ copolymerization method to coat the surface of nano-Sb2O3 with a polyacrylate polymer and then compound it with PP to solve the problem of nano-particle agglomeration and facilitate the dispersion of Sb2O3 in the polymer matrix.
This technology uses Sb2O3 to make PP flame-retardant, and at the same time realizes the reinforcement and toughening of PP. PP-based nanocomposites with excellent flame-retardant properties and mechanical properties are obtained. After filling 5% of nano-Sb2O3, the resistance The combustion performance reaches V-0 level and the mechanical properties are good. The innovation of this technology lies in the use of in-situ copolymerization method to coat the surface of nano-Sb2O3 with a polyacrylate polymer and then compound it with PP to solve the problem of nano-particle agglomeration and facilitate the dispersion of Sb2O3 in the polymer matrix.
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