Shape-Memory Polymeric Artificial Muscles: Mechanisms, Applications and Challenges.
Shape-Memory Polymeric Artificial Muscles: Mechanisms, Applications and Challenges.
复制标题
形状记忆聚合物人工肌肉：机制、应用和挑战
DOI：
10.3390/molecules25184246
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发表时间：
2020-09-16
期刊：
影响因子：
--
通讯作者：
Hedenqvist MS
中科院分区：
文献类型：
--
作者：
Chen Y;Chen C;Rehman HU;Zheng X;Li H;Liu H;Hedenqvist MS
形状记忆材料是一种智能材料，它可以记住原始形状，并在适当的刺激下从变形的次级形状恢复到其独特的状态。这种特性使这些材料可以用作形状记忆人造肌肉，形成人造肌肉的一个子类。形状记忆人工肌肉由形状记忆聚合物（SMP）通过扭转插入、通过Tm或Tg的形状固定或通过液晶弹性体（LCE）制成。制备的SMP人工肌肉可用于从仿生和软机器人到致动器的广泛应用，因为它们可以在没有复杂的连杆设计的情况下操作，并且可以实现复杂的最终形状。近年来，在基于SMP的人工肌肉的制造、建模和操纵方面取得了重大成就。本文综述了形状记忆聚合物基人工肌肉的最新进展。在这里，我们专注于SMPs的机制，SMPs作为人工肌肉的应用，以及他们面临的挑战，有关驱动。虽然形状记忆行为已被证明在几个刺激的环境中，我们的重点是热，光，和电驱动的SMP人工肌肉。
Shape-memory materials are smart materials that can remember an original shape and return to their unique state from a deformed secondary shape in the presence of an appropriate stimulus. This property allows these materials to be used as shape-memory artificial muscles, which form a subclass of artificial muscles. The shape-memory artificial muscles are fabricated from shape-memory polymers (SMPs) by twist insertion, shape fixation via Tm or Tg, or by liquid crystal elastomers (LCEs). The prepared SMP artificial muscles can be used in a wide range of applications, from biomimetic and soft robotics to actuators, because they can be operated without sophisticated linkage design and can achieve complex final shapes. Recently, significant achievements have been made in fabrication, modelling, and manipulation of SMP-based artificial muscles. This paper presents a review of the recent progress in shape-memory polymer-based artificial muscles. Here we focus on the mechanisms of SMPs, applications of SMPs as artificial muscles, and the challenges they face concerning actuation. While shape-memory behavior has been demonstrated in several stimulated environments, our focus is on thermal-, photo-, and electrical-actuated SMP artificial muscles.
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