A Review of Shape Memory Polymers and Composites: Mechanisms, Materials, and Applications,Advanced Materials

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A Review of Shape Memory Polymers and Composites: Mechanisms, Materials, and Applications
Advanced Materials ( IF 27.4 ) Pub Date : 2020-09-23 , DOI: 10.1002/adma.202000713
Yuliang Xia ₁ , Yang He ₁ , Fenghua Zhang ₁ , Yanju Liu ₂ , Jinsong Leng ₁

Affiliation

Over the past decades, interest in shape memory polymers (SMPs) has persisted, and immense efforts have been dedicated to developing SMPs and their multifunctional composites. As a class of stimuli‐responsive polymers, SMPs can return to their initial shape from a programmed temporary shape under external stimuli, such as light, heat, magnetism, and electricity. The introduction of functional materials and nanostructures results in shape memory polymer composites (SMPCs) with large recoverable deformation, enhanced mechanical properties, and controllable remote actuation. Because of these unique features, SMPCs have a broad application prospect in many fields covering aerospace engineering, biomedical devices, flexible electronics, soft robotics, shape memory arrays, and 4D printing. Herein, a comprehensive analysis of the shape recovery mechanisms, multifunctionality, applications, and recent advances in SMPs and SMPCs is presented. Specifically, the combination of functional, reversible, multiple, and controllable shape recovery processes is discussed. Further, established products from such materials are highlighted. Finally, potential directions for the future advancement of SMPs are proposed.

中文翻译：

形状记忆聚合物和复合材料的综述：机理，材料和应用

在过去的几十年中，人们对形状记忆聚合物（SMP）的兴趣持续存在，并且致力于开发SMP及其多功能复合材料。作为一类刺激响应性聚合物，SMP可以在外部刺激（例如光，热，磁和电）的作用下，从编程的临时形状恢复为初始形状。功能材料和纳米结构的引入导致形状记忆聚合物复合材料（SMPC）具有大的可恢复变形，增强的机械性能和可控的远程驱动。由于这些独特的功能，SMPC在航空航天工程，生物医学设备，柔性电子，软机器人，形状记忆阵列和4D打印等许多领域具有广阔的应用前景。在这里介绍了形状恢复机制，多功能性，应用以及SMP和SMPC的最新进展的综合分析。具体地，讨论了功能，可逆，多个和可控制的形状恢复过程的组合。此外，突出显示了由这种材料制成的产品。最后，提出了SMPs未来发展的潜在方向。

更新日期：2020-09-23

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