4D printing of polymers: Techniques, materials, and prospects

被引:125
作者
Fu, Peng [1 ]
Li, Haimei [1 ]
Gong, Jin [2 ]
Fan, Zengjie [3 ]
Smith, Andrew T. [4 ,5 ]
Shen, Kuangyu [4 ,5 ]
Khalfalla, Tebyan O. [6 ]
Huang, Haofei [3 ]
Qian, Xin [5 ]
McCutcheon, Jeffrey R. [4 ,5 ]
Sun, Luyi [4 ,5 ]
机构
[1] Zhengzhou Univ, Sch Mat Sci & Engn, Zhengzhou, Peoples R China
[2] Yamagata Univ, Grad Sch Organ Mat Sci, Dept Polymer Sci & Engn, Yonezawa, Yamagata, Japan
[3] Lanzhou Univ, Sch Stomatol, Lanzhou, Peoples R China
[4] Univ Connecticut, Inst Mat Sci, Polymer Program, Storrs, CT 06269 USA
[5] Univ Connecticut, Dept Chem & Biomol Engn, Storrs, CT 06269 USA
[6] Univ Connecticut, Hlth Ctr, Ctr Mol Oncol, Farmington, CT USA
关键词
4d printing; Polymer; Fused deposition modeling; Direct ink writing; Stereolithography; Digital light processing; Selective laser sintering; FABRICATION; INK;
D O I
10.1016/j.progpolymsci.2022.101506
中图分类号
O63 [高分子化学(高聚物)];
学科分类号
070305 ; 080501 ; 081704 ;
摘要
Since the concept of four-dimensional (4D) printing first emerged from additive manufacturing technologies in 2013, there has been growing interest from researchers worldwide to harness its benefits for advanced manufacturing and materials design. 4D printing has the potential to extend the processing of objects beyond complex geometries by giving dynamic properties to static printed structures, which can change over time. The shapes and/or properties of printed objects can change under various stimuli, including heat, light, pH, moisture, electricity, and magnetic field, and these changes can be pre-designed and well-controlled. 4D printing thus permits the creation of variable and controllable geometries by incorporating the time dimension. In recent years, the rapid technical developments in smart materials and new printing methods have greatly expanded the scope of 4D printing. This article reviews important 4D printing technologies in conjunction with the underlying polymer science and engineering. The challenges and future opportunities in 4D printing are also discussed. (c) 2022 Elsevier B.V. All rights reserved.
引用
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页数:16
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