Structure and texture of heat-treated lithium borosilicate xerogel

F. Touati; F. Sediri; N. Gharbi

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Structure and texture of heat-treated lithium borosilicate xerogel

机译：热处理硼硅酸锂干凝胶的结构和织构

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Monolithic and transparent lithium borosilicate gels were obtained by using a cationic surfactant. The textural and structural properties of the pyrolysed xerogel at different temperatures were studied by IR, DTA-TG, X-ray, SEM and BET techniques. The obtained results show that the samples remain amorphous and mesoporous when the samples were heat treated below 600 ℃. It is interesting to notice that Li~+ does not establish a bond with the borosilicate network in this range temperature. Above this temperature, the crystallinity starts associated with the largest decreases of specific surface area and pore volume.

机译：通过使用阳离子表面活性剂获得整体且透明的硼硅酸锂凝胶。通过红外，DTA-TG，X射线，SEM和BET技术研究了不同温度下热解干凝胶的组织和结构性能。所得结果表明，当样品在600℃以下热处理时，样品仍保持无定形和中孔状态。有趣的是，在此温度范围内，Li〜+并未与硼硅酸盐网络建立键。在此温度以上，结晶度开始时与比表面积和孔体积的最大减少有关。

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来源
《Materials Chemistry and Physics》 |2007年第3期|p.352-356|共5页
作者
F. Touati; F. Sediri; N. Gharbi;
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作者单位

Unite des Materiaux, Institut National de Recherche Scientifique et Technique, Route Touristique de Soliman B.P.95, 2050 Hammam-Lif Tunis, Tunisia;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
原文格式 PDF
正文语种 eng
中图分类工程材料学;工程基础科学;
关键词
mesoporous; BET; gel;

机译：中孔;BET;凝胶;

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Structure and texture of heat-treated lithium borosilicate xerogel

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