Journal of Composites Science, Journal Year: 2024, Volume and Issue: 8(9), P. 369 - 369
Published: Sept. 20, 2024
In this study, PMMA/SiO2 composites were fabricated with monodispersed SiO2 and PMMA using four distinct methods—physical blending, in situ polymerization, random copolymerization, block copolymerization—to investigate the composites’ thermal, mechanical, optical properties. physical blending approach, nanoparticles dispersed a solution, while during silica incorporated synthesis of composites. 3-methacryloxypropyltrimethoxysilane (MPS) was modified on surface to introduce reactive double bonds. The MPS@SiO2 either random- or block-copolymerized through RAFT polymerization. prepared via these different methods characterized FTIR, TGA, DSC determine their chemical structures, thermal degradation temperatures, glass transition respectively. Scanning electron microscopy (SEM) employed observe microstructures dispersion This comprehensive analysis revealed that copolymerization exhibited stability at temperatures between 200 300 °C. Additionally, they demonstrated excellent transparency (86%) scratch resistance (≥6H) maintaining mechanical strength, suggesting potential application insulation materials.
Language: Английский