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首页> 外文期刊>Advanced Functional Materials >Additive Manufacturing of 3D Aerogels and Porous Scaffolds: A Review
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Additive Manufacturing of 3D Aerogels and Porous Scaffolds: A Review

机译：3D Aerogels和多孔脚手架的添加剂制造：综述

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摘要

Aerogels are highly porous structures produced by replacing the liquid solvent of a gel with air without causing a collapse in the solid network. Unlike conventional fabrication methods, additive manufacturing (AM) has been applied to fabricate 3D aerogels with customized geometries specific to their applications, designed pore morphologies, multimaterial structures, etc. To date, three major AM technologies (extrusion, inkjet, and stereolithography) followed by a drying process have been proposed to additively manufacture 3D functional aerogels. 3D-printed aerogels and porous scaffolds showed great promise for a variety of applications, including tissue engineering, electrochemical energy storage, controlled drug delivery, sensing, and soft robotics. In this review, the details of steps included in the AM of aerogels and porous scaffolds are discussed, and a general frame is provided for AM of those. Then, the different postprinting processes are addressed to achieve the porosity (after drying); and mechanical strength, functionality, or both (after postdrying thermal or chemical treatments) are provided. Furthermore, the applications of the 3D-printed aerogels/porous scaffolds made from a variety of materials are also highlighted. The review is concluded with the current challenges and an outlook for the next generation of 3D-printed aerogels and porous scaffolds.
机译：气凝胶是高度通过更换与空气凝胶的液体溶剂而不使固体网络中的崩溃所产生的多孔结构。不同于传统的制造方法，添加制造（AM）已应用于制造具有定制的特定的几何形状到他们的应用程序，设计孔的形态，多材料结构等迄今为止3D气凝胶，三个主要的AM技术（挤出，喷墨，和立体光刻），接着通过干燥过程已经被提出来相加制造3D功能性气凝胶。 3D-印刷气凝胶和多孔支架表现出极大的承诺用于各种应用，包括组织工程，电化学储能，受控药物递送，传感，和软机器人。在这篇综述中，步骤的细节包括在气凝胶和多孔支架的AM进行了讨论，并提供了一种用于那些的AM一般帧。然后，将不同的印后处理被寻址以实现孔隙度（干燥后）;和机械强度，提供的功能，或两者（后干燥热或化学处理后）。此外，从各种材料制成的三维印刷气凝胶/多孔支架的应用也突出显示。该审查结论与目前的挑战和用于下一代3D印刷气凝胶和多孔支架的前景。

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  • 来源
    《Advanced Functional Materials》 |2021年第45期|2103410.1-2103410.33|共33页
  • 作者

    Tetik Halil; Wang Ying; Sun Xiao; Cao Daxian; Shah Nasrullah; Zhu Hongli; Qian Fang; Lin Dong;

  • 作者单位

    Kansas State Univ Dept Ind & Mfg Syst Engn Manhattan KS 66506 USA;

    Northeastern Univ Dept Mech & Ind Engn 360 Huntington Ave Boston MA 02115 USA;

    Northeastern Univ Dept Mech & Ind Engn 360 Huntington Ave Boston MA 02115 USA;

    Northeastern Univ Dept Mech & Ind Engn 360 Huntington Ave Boston MA 02115 USA;

    Kansas State Univ Dept Ind & Mfg Syst Engn Manhattan KS 66506 USA|Abdul Wali Khan Univ Mardan Dept Chem Mardan 23200 Khyber Pakhtunk Pakistan;

    Northeastern Univ Dept Mech & Ind Engn 360 Huntington Ave Boston MA 02115 USA;

    Lawrence Livermore Natl Lab Phys & Life Sci Directorate Livermore CA 94550 USA;

    Kansas State Univ Dept Ind & Mfg Syst Engn Manhattan KS 66506 USA;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    3D-printed aerogels; additive manufacturing technology; aerogel applications;

    机译：3D印刷的气凝胶;添加剂制造技术;气凝胶应用;

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