Extrusion 3D Printing of Polymeric Materials with Advanced Properties.
Extrusion 3D Printing of Polymeric Materials with Advanced Properties.
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DOI：
10.1002/advs.202001379
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发表时间：
2020-09
期刊：
影响因子：
--
通讯作者：
Connal LA
中科院分区：
文献类型：
--
作者：
Jiang Z;Diggle B;Tan ML;Viktorova J;Bennett CW;Connal LA
3D打印是一项快速发展的技术，具有巨大的潜力，可以影响工程、艺术、教育、医学和航空航天等广泛的行业。该技术提供的设计灵活性为制造复杂的3D设备提供了许多机会。最广泛使用的方法是基于挤出的实体自由成形制造方法，这在学术界和工业研究界都是一种极具吸引力的增材制造技术。这种方法是通用的，能够打印一系列尺寸，多材料和多功能3D结构。这也是一种非常经济实惠的原型技术。然而，具有先进材料性能的可印刷聚合物缺乏多样性成为该技术进一步发展的主要瓶颈。在此，提供了一个全面的审查，重点是材料设计策略，以实现或提高3D打印的聚合物，包括热塑性塑料，热固性塑料，水凝胶和其他聚合物的挤出技术的范围。此外，这种印刷聚合物所表现出的各种先进性能，如机械强度，导电性，自我修复以及其他综合性能也得到了强调。最后，还讨论了3D打印聚合物材料的刺激响应性，包括形状变形，降解性和颜色变化。3D打印是一项快速发展的技术，具有影响广泛行业的巨大潜力。这篇综述主要关注材料设计策略，以实现或提高功能材料的3D打印性能。具体重点是基于挤出的3D打印技术和可以制备的功能器件。
3D printing is a rapidly growing technology that has an enormous potential to impact a wide range of industries such as engineering, art, education, medicine, and aerospace. The flexibility in design provided by this technique offers many opportunities for manufacturing sophisticated 3D devices. The most widely utilized method is an extrusion‐based solid‐freeform fabrication approach, which is an extremely attractive additive manufacturing technology in both academic and industrial research communities. This method is versatile, with the ability to print a range of dimensions, multimaterial, and multifunctional 3D structures. It is also a very affordable technique in prototyping. However, the lack of variety in printable polymers with advanced material properties becomes the main bottleneck in further development of this technology. Herein, a comprehensive review is provided, focusing on material design strategies to achieve or enhance the 3D printability of a range of polymers including thermoplastics, thermosets, hydrogels, and other polymers by extrusion techniques. Moreover, diverse advanced properties exhibited by such printed polymers, such as mechanical strength, conductance, self‐healing, as well as other integrated properties are highlighted. Lastly, the stimuli responsiveness of the 3D printed polymeric materials including shape morphing, degradability, and color changing is also discussed. 3D printing is a rapidly growing technology that has an enormous potential to impact a wide range of industries. This review focuses on material design strategies to achieve or enhance the 3D printability of functional materials. Specific emphasis is on extrusion based 3D printing techniques and the functional devices that can be prepared.
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