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A platform for research: civil engineering, architecture and urbanism
Preparation method of silicon dioxide aerogel
The invention discloses a preparation method of silicon dioxide aerogel, which specifically comprises the following steps: coating, aging, alcohol washing, modifying and drying, compared with the prior art, the preparation method has the following advantages: 1, alcohol washing, modifying and drying are carried out in one treatment kettle for preparing the silicon dioxide aerogel, so that the preparation process is simple, and the cost is low; the production period can be effectively shortened, personnel allocation can be saved, the production cost is reduced, and the coiled material yield is improved; and secondly, the silicon dioxide aerogel prepared by adopting the process has excellent physical properties, especially low thermal conductivity and excellent mechanical toughness, so that the silicon dioxide aerogel can be applied to various industrial fields, such as thermal insulation materials, thermal insulation materials or non-combustible materials.
本发明公开了一种二氧化硅气凝胶的制备方法，具体包括如下步骤：涂布、老化、醇洗、改性、干燥，与现有技术相比，本发明具有如下优点：其一、本发明制备工艺制得的二氧化硅气凝胶，醇洗、改性和干燥均在一个处理釜中进行，不仅能有效缩短生产周期，且能节约人员配备，减少生产成本，提高卷材产量；其二、采用本发明的工艺制得的二氧化硅气凝胶具有优异的物理性能，特别是低热导率和优异的机械韧性，从而可以用于多种工业领域，例如，隔热材料、保温材料或非燃性材料。
Preparation method of silicon dioxide aerogel
The invention discloses a preparation method of silicon dioxide aerogel, which specifically comprises the following steps: coating, aging, alcohol washing, modifying and drying, compared with the prior art, the preparation method has the following advantages: 1, alcohol washing, modifying and drying are carried out in one treatment kettle for preparing the silicon dioxide aerogel, so that the preparation process is simple, and the cost is low; the production period can be effectively shortened, personnel allocation can be saved, the production cost is reduced, and the coiled material yield is improved; and secondly, the silicon dioxide aerogel prepared by adopting the process has excellent physical properties, especially low thermal conductivity and excellent mechanical toughness, so that the silicon dioxide aerogel can be applied to various industrial fields, such as thermal insulation materials, thermal insulation materials or non-combustible materials.
本发明公开了一种二氧化硅气凝胶的制备方法，具体包括如下步骤：涂布、老化、醇洗、改性、干燥，与现有技术相比，本发明具有如下优点：其一、本发明制备工艺制得的二氧化硅气凝胶，醇洗、改性和干燥均在一个处理釜中进行，不仅能有效缩短生产周期，且能节约人员配备，减少生产成本，提高卷材产量；其二、采用本发明的工艺制得的二氧化硅气凝胶具有优异的物理性能，特别是低热导率和优异的机械韧性，从而可以用于多种工业领域，例如，隔热材料、保温材料或非燃性材料。
Preparation method of silicon dioxide aerogel
一种二氧化硅气凝胶的制备方法
WANG XINLIANG (author) / MIAO JIANSEN (author) / WANG CHAO (author) / ZHOU CHANGBING (author) / YAO XIANDONG (author) / ZHANG HUA (author) / YU SHENGJIN (author)
2022-08-30
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
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