Issue 14, 2011
From the journal:

Journal of Materials Chemistry

Mesoporous silica as smart inorganic filler: preparation of robust silicone rubber with low thermal expansion property

Norihiro Suzuki,a   Shosuke Kiba,b   Yuichiro Kamachi,c   Nobuyoshi Miyamotoc  and  Yusuke Yamauchi*ad  

* Corresponding authors

a World Premier International (WPI) Research Center for Materials Nanoarchitechtonics (MANA), National Institute for Materials Science (NIMS), 1-1 Namiki, Tsukuba, Ibaraki, Japan
E-mail: Yamauchi.Yusuke@nims.go.jp
Tel: +81-29-860-4635

b Toyota Tsusho Corporation, 2-3-13 Konan, Minato, Tokyo, Japan

c Department of Life, Environment and Materials Science, Faculty of Engineering, Fukuoka Institute of Technology, 3-30-1 Wajiro-Higashi, Higashi, Fukuoka, Japan

d Precursory Research for Embryonic Science and Technology (PRESTO), Japan Science and Technology Agency (JST), 2-1 Hirosawa, Wako, Saitama, Japan

Abstract

Here we demonstrate the importance of mesoporous silica as a smart inorganic filler. Silicone rubber with low thermal expansion is realized by doping mesoporous silica particles. For the preparation of mesoporous silica/silicone composites, an unpolymerized silicone component is diluted by a volatile organic solvent and then is penetrated into the mesopores by a capillary force. After penetration, the organic solvent is evaporated completely. Based on theoretical calculations, the estimated degree of mesopore filling is more than 90%. Mesoporous silica/silicone composites show much lower Coefficient of Linear Thermal Expansion (CTE) and higher hardness values than do silicone composites with nonporous silica particles.

Graphical abstract: Mesoporous silica as smart inorganic filler: preparation of robust silicone rubber with low thermal expansion property

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Article information

DOI
https://doi.org/10.1039/C0JM03767B
Article type
Paper
Submitted
03 Nov 2010
Accepted
03 Feb 2011
First published
24 Feb 2011

J. Mater. Chem., 2011,21, 5338-5344

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Mesoporous silica as smart inorganic filler: preparation of robust silicone rubber with low thermal expansion property

N. Suzuki, S. Kiba, Y. Kamachi, N. Miyamoto and Y. Yamauchi, J. Mater. Chem., 2011, 21, 5338 DOI: 10.1039/C0JM03767B

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