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Synthesis of phenyl-MSU-1 and bi-functionalized silica mesophases

Published online by Cambridge University Press:  31 January 2011

Yan Jun Gong ,
Zhi Hong Li ,
Dong Wu ,
Yu Han Sun ,
Feng Deng ,
Qing Luo  and
Yong Yue
Yan Jun Gong
Affiliation:
State Key Laboratory of Coal Conversion, Institute of Coal Chemistry, Chinese Academy of Sciences, Taiyuan 030001, People's Republic of China
Zhi Hong Li
Affiliation:
State Key Laboratory of Coal Conversion, Institute of Coal Chemistry, Chinese Academy of Sciences, Taiyuan 030001, People's Republic of China
Dong Wu
Affiliation:
State Key Laboratory of Coal Conversion, Institute of Coal Chemistry, Chinese Academy of Sciences, Taiyuan 030001, People's Republic of China
Yu Han Sun*
Affiliation:
State Key Laboratory of Coal Conversion, Institute of Coal Chemistry, Chinese Academy of Sciences, Taiyuan 030001, People's Republic of China
Feng Deng
Affiliation:
State Key Laboratory of Magnetic Resonance and Atomic Molecular Physics, Wuhan Institute of Physics and Mathematics, Chinese Academy of Sciences, Wuhan, 430071, People's Republic of China
Qing Luo
Affiliation:
State Key Laboratory of Magnetic Resonance and Atomic Molecular Physics, Wuhan Institute of Physics and Mathematics, Chinese Academy of Sciences, Wuhan, 430071, People's Republic of China
Yong Yue
Affiliation:
State Key Laboratory of Magnetic Resonance and Atomic Molecular Physics, Wuhan Institute of Physics and Mathematics, Chinese Academy of Sciences, Wuhan, 430071, People's Republic of China
*
a) Address all correspondence to this author. e-mail: yhsun@sxicc.ac.cn
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Abstract

Template-directed co-condensation was used to synthesize phenyl-modified MSU-1 and bi-functionalized MSU-1 silica containing binary moieties of covalently linked phenyl along with methyl or ureidopropyl [H2NCONH(CH2)3]. The texture properties of these materials from x-ray diffraction, Fourier transform infrared, nuclear magnetic resonance, scanning electron microscopy, high-resolution transmission electron microscopy, N2 adsorption, thermogravimetric analysis data, varied with the type of alkoxylsilane precursor and the amount of organosiloxane in the mixture. Small-angle x-ray scattering results, for the as-synthesized and surfactant-extracted organo-modified MSU-X, showed that the templates remaining in the mesostructures gave positive deviation from Porod's law while the incorporated organic groups led to a negative deviation, which formed an interfacial layer between the pore and silica matrix.

Type
Articles
Information
Journal of Materials Research , Volume 17 , Issue 2 , February 2002 , pp. 431 - 437
Copyright
Copyright © Materials Research Society 2002

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