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Citation: Sun Ji-Hong, Wu Dong, Sun Yu-Han, Yang Nian-Hua, Zhou Jian-Wei, Yue Yong. Textural Characterization of SiO₂-AEO Xerogels[J]. Acta Physico-Chimica Sinica, ;2000, 16(02): 121-125. doi: 10.3866/PKU.WHXB20000206 shu

Textural Characterization of SiO₂-AEO Xerogels

1.
State Key Laboratory of Coal Conversion,Institute of Coal Chemistry,Chinese Academy of Sciences,Taiyuan 030001

Received Date: 27 May 1999
Available Online: 15 February 2000

The porous SiO2 xerogels with controlled texture were obtained from TE OS in the presence of AEO by sol gel method. It was found that the addition amount and molecular weight of AEO and ageing time of SiO2 AEO sol could adjust the textural properties of SiO2 xerogels, and AEO in the xerogel had different thermal stability when the SiO2 AEO xerogel being heated under different atmospheres .As a result, It has been found that the SiO2 xerogel showed stronger flexible skeleton, narrower pore distribution, and higher thermal stability after heat treatment.
- AEO,
- SiO2-AEO,
- Pore size distribution,
- TG-DTA
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通讯作者: 陈斌, bchen63@163.com

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沈阳化工大学材料科学与工程学院沈阳 110142

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Textural Characterization of SiO2-AEO Xerogels

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Textural Characterization of SiO₂-AEO Xerogels