Synthesis and Modification of Monodispersed Spherical Silica
- Synthesis and Modification of Monodispersed Spherical Silica
- Issue Date
- 제107회 대한화학회
- Silica nanoparticles occupy a prominent position in scientific research, because of their easy preparation
and their wide uses in various industrial applications. Many researchers have focused on synthetic
approach to get well controlled monodispersed particles and their surface modification with
functionalities that can be applicable to composites with organic polymers. In this study,
organosilanepolyol was employed as a modifier instead of alkoxysilane. Silica nanoparticles (SNPs) were
synthesized by Stöber’s method and modified using phenylsilanetriol as a presentative modifier in a range
from 0.1 to 10 wt % based on the silica used. The characterizations of all modified particles including
particle sizes, surface morphologies, hydrophobicity, etc. were systemically carried out using various
analytical tools (SEM, TEM, DLS, BET, etc.). In this seminar, recent results obtained from the surface
modification approach to silica and some inorganic oxide particles will be presented in details.
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