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The Influence of Introduction of Polyethylene Glycol on Synthesis of Bimodal Mesoporous γ-Al2O3

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Abstract:

In the presence of polyethylene glycol (PEG2W),bimodal mesoporous γ-Al2O3 was successfully synthesized via hydrothermal method. The samples were respectively characterized by X-ray diffraction (XRD), N2 physisorption, transmission electron microscopy (TEM), thermogravimetric and differential scanning calorimeter (TG-DSC). Introduction of PEG2W can increase the relative crystallinity of AACH and γ-Al2O3. The BET surface area and pore volume of alumina shows an increasing trend with increasing of PEG2W content, while the pore size shows an opposite tendency. The PEG2W also plays an important role in inducing the formation of the nanorod-like alumina.

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Periodical:

Advanced Materials Research (Volume 709)

Pages:

89-92

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.709.89

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Online since:

June 2013

Authors:

Xiang Li, Xin Mei Liu, Zi Feng Yan

Keywords:

Alumina, Bimodal Mesopore, Nanorod-Like Structure

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© 2013 Trans Tech Publications Ltd. All Rights Reserved

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