Reducing the flammability of hydrophobic silica aerogels by tailored heat treatment
Reducing the flammability of hydrophobic silica aerogels by tailored heat treatment
复制标题
通过定制热处理降低疏水二氧化硅气凝胶的可燃性
DOI：
10.1007/s11051-020-04822-w
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发表时间：
2020-03
影响因子：
2.5
通讯作者：
Liu Qiong
中科院分区：
文献类型：
--
作者：
Wu Xiaoxu;Li Zhi;Joao Gabriel;Zhang Yan;Huang Siqi;Liu Qiong
在这项研究中，定制的热处理，以降低疏水二氧化硅气凝胶（HSA）的可燃性。详细研究了热处理温度、时间和升温速率对处理后SA孔结构和可燃性的影响。结果表明，热处理后的HSA仍保持较低的振实密度和较高的比表面积的介孔结构。热处理温度对处理后HSA的化学基团有显著影响，但与热处理时间和加热速率无关。由于有机基团的去除，热处理SA的可燃性显着降低。因此，通过定制热处理降低HSA的燃烧性能是可行的，为降低HSA的燃烧性能提供了一种简单的途径，有利于其在隔热领域的推广。
In this study, tailored heat treatment was employed to lower the flammability of hydrophobic silica aerogels (HSA). The effects of heat treatment temperature, time, and heating rate on the pore structure and flammability of the treated SA were investigated in detail. It was revealed that the heat-treated HSA still maintained a mesoporous structure with a lower tap density and a higher specific surface area. The chemical groups of the treated HSA were influenced significantly by the heat treatment temperature but were independent of the heat treatment time and heating rate. Due to the removal of organic groups, the flammability of the heat-treated SA was reduced significantly. Hence, it was demonstrated that reducing the flammability of HSA by tailored heat treatment was feasible, which can provide a simple approach to reduce the flammability of SA and benefited their expansion in thermal insulation field.
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影响因子：
2.5
作者：
Li, Zhi;Cheng, Xudong;Yang, Hui
通讯作者：
Yang, Hui
多孔亲水二氧化硅气凝胶选择性吸附水体系中的有机染料
影响因子：
2.7
作者：
Wei Wei;Hu Huihui;Ji Xuelin;Yan Zaoxue;Sun Wei;Xie Jimin
通讯作者：
Xie Jimin
DOI：
10.1515/zpch-2014-0542
发表时间：
2015-08
期刊：
Zeitschrift für Physikalische Chemie
影响因子：
--
作者：
C. Balzer;Roland Morak;M. Erko;Christos Triantafillidis;N. Hüsing;G. Reichenauer;O. Paris
通讯作者：
C. Balzer;Roland Morak;M. Erko;Christos Triantafillidis;N. Hüsing;G. Reichenauer;O. Paris
热处理对二氧化硅气凝胶微观结构和隔热性能的影响
影响因子：
3.5
作者：
Lei, Yaofei;Chen, Xiaohong;Cao, Bin
通讯作者：
Cao, Bin
影响因子：
1.9
作者：
Long Shi;M. Chew
通讯作者：
Long Shi;M. Chew