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接枝走向绿色：制备有机-无机杂化材料的可持续途径。

Grafting Going Green: Toward a Sustainable Preparation of Organic-Inorganic Hybrid Materials.

机构信息

Dipartimento per lo Sviluppo Sostenibile e la Transizione Ecologica (DISSTE), Università del Piemonte Orientale, Piazza Sant'Eusebio 5, I-13100 Vercelli, Italy.

Dipartimento di Scienze del Farmaco (DSF), Università del Piemonte Orientale, Largo Donegani 2, I-28100 Novara, Italy.

出版信息

J Phys Chem B. 2022 Sep 22;126(37):7166-7171. doi: 10.1021/acs.jpcb.2c04243. Epub 2022 Sep 7.

DOI:10.1021/acs.jpcb.2c04243
PMID:36070606
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC9511484/
Abstract

Organic-inorganic hybrid materials find many applications in catalysis, nanotechnology, electronics, and many others. Grafting organic functionalities on inorganic supports is one of the most used methods for their preparation. Toluene is the solvent of choice for the grafting reaction, but it is fossil fuel-derived and not devoid of toxic effects. In this work, we explore the use of sustainable alternatives, , (+)-α-pinene, (-)-β-pinene, dimethyl carbonate (DMC), (+)-limonene, and 2-methyl-tetrahydrofuran (MeTHF), as solvents for grafting. The grafting reaction between 3-aminopropyltriethoxysilane (APTS) and mesoporous ordered silica (MCM-41) was selected as a model for this study. A comparison of the rate of the grafting reaction in different solvents is reported. The resulting hybrid materials were analyzed by Fourier-transform infrared (FTIR) spectroscopy and thermogravimetric analysis (TGA) and compared to the reference material prepared in toluene. MeTHF proved to be the best sustainable alternative to toluene for model grafting, providing a comparable product in a significantly shorter reaction time.

摘要

有机-无机杂化材料在催化、纳米技术、电子学等许多领域都有广泛的应用。在无机载体上接枝有机官能团是制备它们的最常用方法之一。甲苯是接枝反应的首选溶剂，但它是源自化石燃料的，并非没有毒性。在这项工作中，我们探索了可持续替代品，如(+)-α-蒎烯、(-)-β-蒎烯、碳酸二甲酯(DMC)、(+)-柠檬烯和 2-甲基四氢呋喃(MeTHF)，作为接枝的溶剂。选择 3-氨丙基三乙氧基硅烷(APTS)和介孔有序硅(MCM-41)之间的接枝反应作为本研究的模型。报告了不同溶剂中接枝反应速率的比较。通过傅里叶变换红外(FTIR)光谱和热重分析(TGA)对所得杂化材料进行了分析，并与在甲苯中制备的参考材料进行了比较。MeTHF 被证明是甲苯的最佳可持续替代品，在明显更短的反应时间内提供了可比较的产物。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/cac2/9511484/619174d34091/jp2c04243_0007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/cac2/9511484/2e0e06008d18/jp2c04243_0002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/cac2/9511484/48b5b5103ce1/jp2c04243_0003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/cac2/9511484/85aa330d7298/jp2c04243_0004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/cac2/9511484/fb7c68ae5289/jp2c04243_0005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/cac2/9511484/a0afc2038d20/jp2c04243_0006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/cac2/9511484/619174d34091/jp2c04243_0007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/cac2/9511484/2e0e06008d18/jp2c04243_0002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/cac2/9511484/48b5b5103ce1/jp2c04243_0003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/cac2/9511484/85aa330d7298/jp2c04243_0004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/cac2/9511484/fb7c68ae5289/jp2c04243_0005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/cac2/9511484/a0afc2038d20/jp2c04243_0006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/cac2/9511484/619174d34091/jp2c04243_0007.jpg

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