Preparation of Functionalized SiO2 Microspheres by One Step Method

Hepeng Zhang, Jinwei Zhang, Chen Wu, Baoliang Zhang, Qiuyu Zhang

科研成果: 期刊稿件文章同行评审

3 引用 (Scopus)

摘要

Functional silica microparticle is a kind of important inorganic non-metallic oxide with a wide range of applications in many fields due to its excellent chemical and thermal stabilities. Post modification is the most common functional method, but, low efficiency. In this paper, a new acid hydrolysis and subsequent alkaline condensation method was developed to prepare SiO2 microspheres with functional groups on surface by condensing or co-condensing functional organosilane precursors (γ-Aminopropyltriethoxysilane (APTES), γ-Mercaptopropyltriethoxysilane (MPTES) and γ-Mercaptopropyltrimethoxysilane (MPTMS) etc) with phenyltrimethoxysilane (PTMS). Series of characterization methods, such as IR, XPS and Raman, demonstrated that the surface of the as-prepared SiO2 microspheres was successfully functionalized with amine or sulfydryl groups. This method may provide a reference for one-step preparation of functional SiO2 microspheres.

源语言英语
页(从-至)2819-2827
页数9
期刊Silicon
11
6
DOI
出版状态已出版 - 1 12月 2019

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