Direct Ink Writing Additive Manufacturing of Silica Aerogels.

IF 7.5 2区 化学 Q1 CHEMISTRY, MULTIDISCIPLINARY
ChemSusChem Pub Date : 2024-12-12 DOI:10.1002/cssc.202402119
Bo Chen, Qiyang Jiang, Jing Tu, Xinhong Xiong, Jiaxi Cui
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引用次数: 0

Abstract

Silica aerogels (SAs) have garnered significant attention due to their high porosity, low density, hydrophobic properties, low thermal conductivity, and optical transparency. The traditional method for producing SAs, known as "sol-gel" technology, involves precursor preparation, aging, and drying processes. However, aerogels produced through this method often exhibit drawbacks such as poor processability and low precision, which prevent them from fully leveraging their potential properties, including catalysis, adsorption, insulation, and sensing. In contrast, direct ink writing (DIW) technology offers a promising avenue for creating functional structures from SAs. This technique enables the production of inks with shear-thinning behavior, facilitating the high-precision printing of complex SA structures. This review summarizes the advancements in DIW additive manufacturing (AM) of SAs and the challenges currently faced in this field. Briefly, we first introduce the ink preparation, 3D printing process, drying and heat treatment suitable for DIW 3D printing silica aerogels, followed by the discussion of the current state of research and key challenges of DIW 3D printing SAs.

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来源期刊
ChemSusChem
ChemSusChem 化学-化学综合
CiteScore
15.80
自引率
4.80%
发文量
555
审稿时长
1.8 months
期刊介绍: ChemSusChem Impact Factor (2016): 7.226 Scope: Interdisciplinary journal Focuses on research at the interface of chemistry and sustainability Features the best research on sustainability and energy Areas Covered: Chemistry Materials Science Chemical Engineering Biotechnology
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