A two-step Sol-Gel method to synthesize a ladder polymethylsilsesquioxane nanoparticles

被引：24

作者：

Baatti, Abdessamad ^{[1
]}

Erchiqui, Fouad ^{[2
]}

Bebin, Philippe ^{[3
]}

Godard, Francois ^{[2
]}

Bussieres, Denis ^{[1
]}

机构：

[1] Univ Quebec Chicoutimi, 555 Blvd Univ, Chicoutimi, PQ G7H 2B1, Canada

[2] Univ Quebec Abitibi Temiscamingue, 445 Blvd Univ, Rouyn Noranda, PQ J9X 5E4, Canada

[3] Ctr Technol Minerale & Plasturgie, 671 Blvd Frontenac Ouest, Thetford Mines, PQ G6G 1N1, Canada

来源：

ADVANCED POWDER TECHNOLOGY | 2017年 / 28卷 / 03期

关键词：

Sol-Gel; Methyltrimethoxysilane; Polymethylsilsesquioxane; Ladder; Nanoparticles; SI-29; NMR-SPECTROSCOPY; RAMAN-SPECTROSCOPY; CARBON AEROGELS; SILICA AEROGEL; POLYMERIZATION; SILSESQUIOXANES; CONDENSATION; HYDROLYSIS; METHYLTRIMETHOXYSILANE; POLY(SILSESQUIOXANE)S;

D O I：

10.1016/j.apt.2017.01.009

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

The ladder polymethylsilsesquioxane (PMSQ) nanoparticles with average diameter size of 15 and 20 nm were synthesized by hydrolysis and condensation of methyltrimethoxysilane (MTMS). An ex situ kinetic study in acidic medium of MTMS hydrolysis was followed by Raman spectroscopy. The PMSQ nanoparticles was studied by infrared spectroscopy, Si-29 and C-13 nuclear magnetic resonance and by X-ray diffraction. The thermal stability was examined by thermogravimetric analysis. PMSQ nanoparticles have a degradation temperature of 390 degrees C under nitrogen and 380 degrees C under oxygen, an excellent specific area (397.21 m(2)/g), a density of 1.42 g/m(3) and hydrophobic surface (apparent contact angle 148 degrees +/- 3). (C) 2017 The Society of Powder Technology Japan. Published by Elsevier B.V. and The Society of Powder Technology Japan. All rights reserved.

引用

页码：1038 / 1046

页数：9

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