Downloads: 0
Research Paper | Chemistry | Volume 11 Issue 4, April 2022 | Pages: 1416 - 1421 | India
Enhancing Surface Properties of Fumed Silica via APTMS Functionalization: A Comprehensive Characterization Study
Abstract: Surface modification of fumed silica was achieved by using condensation reaction between surface silanol groups and 3-aminopropyltrimethoxysilane (APTMS) in acetone, leading to enhanced particle dispersion and reduced agglomeration. The functionalization process introduced 3-aminopropyl groups onto the silica surface through a co-condensation mechanism in the presence of a solvent. The modified nanosilica exhibited improved stability in comparison to unmodified fumed silica, which contains only surface hydroxyl groups. Successful chemical functionalization and modifications in surface chemistry were confirmed by Fourier-transform infrared spectroscopy (FT-IR). Particle stability and dispersion behavior were evaluated using zeta potential measurements, atomic force microscopy (AFM), and scanning electron microscopy (SEM). The results demonstrated that APTMS modification effectively tailored the surface properties of nanosilica, contributing to better dispersion and reduced aggregation.
Keywords: Fumed silica, 3-aminopropyltrimethoxysilane, FT-IR, AFM, SEM
How to Cite?: Savita Meena, "Enhancing Surface Properties of Fumed Silica via APTMS Functionalization: A Comprehensive Characterization Study", Volume 11 Issue 4, April 2022, International Journal of Science and Research (IJSR), Pages: 1416-1421, https://www.ijsr.net/getabstract.php?paperid=SR22409082058, DOI: https://dx.dx.doi.org/10.21275/SR22409082058