Programmatically Regulating Morphological Evolution of Inert Polymeric Hydrogels Using Anchored Large-Deformable Muscle
Programmatically Regulating Morphological Evolution of Inert Polymeric Hydrogels Using Anchored Large-Deformable Muscle
复制标题
使用锚定大变形肌有程序地调节惰性聚合物水凝胶的形态演化
DOI：
10.1021/acs.chemmater.2c01486
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发表时间：
2022-07
期刊：
影响因子：
--
通讯作者：
T. Chen
中科院分区：
文献类型：
--
作者：
Y. Peng;K. H. Zhang;B. Y. Wu;J. L. Lu;Y. K. Jian;Y. T. Xue;X. X. Yang;J. W. Zhang;T. Chen
Living organisms can generate diverse three-dimensional (3D) morphologies and programmatically regulate their morphological evolution via the neurally controlled expansion and contraction of soft tissues. Although polymeric hydrogels have been regarded as an ideal experimental platform for biomimetic morphing due to their soft-tissue-like properties, it is still a tricky problem to quantitatively design their 3D morphological evolution, especially for inert polymeric hydrogels. In this study, we developed a muscle-inspired deformation system that could programmatically regulate the morphological evolution of undeformable inert polymeric hydrogels using large-deformable hydrogels as muscles, which contained smart polyN-isopropylacrylamide (PNIPAm) microgel and could be anchored onto any hydrogels via interfacial diffusion polymerization (IDP). Moreover, by programmatically regulating the anchoring position of the large-deformable muscle, the 3D morphology of kirigami-shaped hydrogels could further evolve to obtain a more complex 3D morphology. Surprisingly, when the inert hydrogel was replaced by a shape-memory hydrogel, the 3D morphologies could be fixed and preserved for more than 1 month without any stress relaxation or swelling, even after removing the hydrogel muscle or external stimuli. Therefore, we believe that this deformation strategy will enhance our understanding of the life evolution of natural soft-wet organisms for developing intelligent soft materials such as shape-memory hydrogels, programmable deformations, and 3D biomimetic devices.
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DOI：
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发表时间：
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