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High strength SiO2 aerogel insulation

机译:高强度SiO2气凝胶绝缘

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Silica aerogels with titanium dioxide powder and inorganic binders were made using tetraethoxysilane (TEOS), water and HF catalyst, followed by supercritical drying with ethanol leading to crack-free monolithic aerogels. Strength of the monolithic silica aerogels increased from 1.8 X 10(4) Pa to 1.2 X 10(5) Pa with doping, while the thermal conductivity of the doped silica aerogel remains below 0.02 w/m K at room temperature in air. (C) 1998 Elsevier Science B.V. All rights reserved. [References: 5]
机译:使用四乙氧基硅烷(TEOS),水和HF催化剂制得具有二氧化钛粉末和无机粘合剂的二氧化硅气凝胶,然后用乙醇进行超临界干燥,从而制得无裂纹的整体气凝胶。掺杂后,整体式二氧化硅气凝胶的强度从1.8 X 10(4)Pa增加到1.2 X 10(5)Pa,而室温下在空气中,掺杂的二氧化硅气凝胶的热导率保持在0.02 w / m K以下。 (C)1998 Elsevier Science B.V.保留所有权利。 [参考:5]

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