NIMTE OpenIR  > 2018专题
Mimosa inspired bilayer hydrogel actuator functioning in multi-environments
Zheng, Jing; Xiao, Peng; Le, Xiaoxia; Lu, Wei; Theato, Patrick; Ma, Chunxin; Du, Binyang; Zhang, Jiawei; Huang, Youju; Chen, Tao
2018
Source PublicationJOURNAL OF MATERIALS CHEMISTRY C
Volume6Issue:6Pages:1320-1327
AbstractHydrogel-based actuators have attracted significant attention and shown promising applications in many fields. However, most hydrogel actuators can only act in aqueous media, which dramatically limits their applications. Hence, the realization of hydrogel actuators that function under non-aqueous conditions still remains a significant challenge. Inspired by the water self-circulation mechanism that contributes to the motion of Mimosa leaves, we herein present a general strategy towards designing hydrogel actuators that can generate motions in water, oil and even in open-air environments. A hydrogel with a reverse thermal responsive bilayer composite structure was prepared, composed of a hydrogel layer derived from a polymer featuring a lower critical solution temperature (LCST layer) and a hydrogel layer derived from a polymer featuring an upper critical solution temperature (UCST layer). Upon heating, water molecules were transferred from the LCST layer to the UCST layer within the bilayer hydrogel, while under cooling the reverse process took place, allowing for an actuation even in non-aqueous environments. This water self-circulation within the bilayer hydrogel enabled a bending of the hydrogel and hence offers a smart strategy yet with a new idea for actuators working inmulti-environments. Such hydrogel actuators may provide new insights for the design and fabrication of intelligent soft materials for bio-inspired applications.
KeywordAnisotropic Hydrogel Water Poly(N-isopropylacrylamide) Walkers Driven Gel
Subject AreaChemistry ; Science & Technology - Other Topics ; Materials Science ; Physics
Language英语
Document Type期刊论文
Identifierhttp://ir.nimte.ac.cn/handle/174433/16815
Collection2018专题
Recommended Citation
GB/T 7714
Zheng, Jing,Xiao, Peng,Le, Xiaoxia,et al. Mimosa inspired bilayer hydrogel actuator functioning in multi-environments[J]. JOURNAL OF MATERIALS CHEMISTRY C,2018,6(6):1320-1327.
APA Zheng, Jing.,Xiao, Peng.,Le, Xiaoxia.,Lu, Wei.,Theato, Patrick.,...&Chen, Tao.(2018).Mimosa inspired bilayer hydrogel actuator functioning in multi-environments.JOURNAL OF MATERIALS CHEMISTRY C,6(6),1320-1327.
MLA Zheng, Jing,et al."Mimosa inspired bilayer hydrogel actuator functioning in multi-environments".JOURNAL OF MATERIALS CHEMISTRY C 6.6(2018):1320-1327.
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