A bioinspired reversible snapping hydrogel assembly

被引：114

作者：

Zhao, Qian ^{[1
]}

Yang, Xuxu ^{[2
]}

Ma, Chunxin ^{[1
]}

Chen, Di ^{[1
]}

Bai, Hao ^{[1
]}

Li, Tiefeng ^{[2
]}

Yang, Wei ^{[2
]}

Xie, Tao ^{[1
]}

机构：

[1] Zhejiang Univ, Coll Chem & Biol Engn, State Key Lab Chem Engn, Hangzhou 310027, Zhejiang, Peoples R China

[2] Zhejiang Univ, Dept Engn Mech, Hangzhou 310027, Zhejiang, Peoples R China

来源：

MATERIALS HORIZONS | 2016年 / 3卷 / 05期

基金：

中国国家自然科学基金;

关键词：

BISTABLE BUCKLED BEAM; MOLECULAR RECOGNITION; POLYMER; DRIVEN; ACTUATION; SURFACES;

D O I：

10.1039/c6mh00167j

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Controlling the response for stimuli-responsive shape changing polymers is critically important for their device applications. The snapping transformation of the Venus Flytrap has inspired the design of shape changing devices with a unique controlling mechanism in mechanical instability, yet their practical potential has been quite limited due to the irreversible nature. Herein, we report an approach to achieve an unprecedented reversible snapping. The material system is a hydrogel assembly that can be mechanically programmed to exhibit instability based bi-stable states. Taking advantages of the multi-responsiveness of the hydrogels allows reversible switching between the two stable states in an abrupt non-continuous (snap) fashion, with unique benefits in precise time-delayed deployment, accelerated deployment speed, and enhanced output force. The mechanism behind our design can be readily extended beyond hydrogels to enhance the performances of diverse multifunctional smart devices.

引用

页码：422 / 428

页数：7

共 28 条

[1] Zinc ion-triggered two-way macro-/microscopic shape changing and memory effects in high strength hydrogels with pre-programmed unilateral patterned surfaces [J].

Bai, Tao ;

Han, Yanjiao ;

Zhang, Peng ;

Wang, Wei ;

Liu, Wenguang .

SOFT MATTER, 2012, 8 (25) :6846-6852

[2] Reversible Bidirectional Shape-Memory Polymers [J].

Behl, Marc ;

Kratz, Karl ;

Zotzmann, Joerg ;

Noechel, Ulrich ;

Lendlein, Andreas .

ADVANCED MATERIALS, 2013, 25 (32) :4466-4469

[3] Temperature-memory polymer actuators [J].

Behl, Marc ;

Kratz, Karl ;

Noechel, Ulrich ;

Sauter, Tilman ;

Lendlein, Andreas .

PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, 2013, 110 (31) :12555-12559

[4] Bistable buckled beam: Elastica modeling and analysis of static actuation [J].

Camescasse, B. ;

Fernandes, A. ;

Pouget, J. .

INTERNATIONAL JOURNAL OF SOLIDS AND STRUCTURES, 2013, 50 (19) :2881-2893

[5] Directed Water Shedding on High-Aspect-Ratio Shape Memory Polymer Micropillar Arrays [J].

Chen, Chi-Mon ;

Yang, Shu .

ADVANCED MATERIALS, 2014, 26 (08) :1283-1288

[6] How the Venus flytrap snaps [J].

Forterre, Y ;

Skotheim, JM ;

Dumais, J ;

Mahadevan, L .

NATURE, 2005, 433 (7024) :421-425

[7] Macroscopic self-assembly through molecular recognition [J].

Harada, Akira ;

Kobayashi, Ryosuke ;

Takashima, Yoshinori ;

Hashidzume, Akihito ;

Yamaguchi, Hiroyasu .

NATURE CHEMISTRY, 2011, 3 (01) :34-37

[8] Synthetic homeostatic materials with chemo-mechano-chemical self-regulation [J].

He, Ximin ;

Aizenberg, Michael ;

Kuksenok, Olga ;

Zarzar, Lauren D. ;

Shastri, Ankita ;

Balazs, Anna C. ;

Aizenberg, Joanna .

NATURE, 2012, 487 (7406) :214-218

[9] Snapping surfaces [J].

Holmes, Douglas P. ;

Crosby, Alfred J. .

ADVANCED MATERIALS, 2007, 19 (21) :3589-+

[10] SYNTHESIS AND APPLICATION OF MODULATED POLYMER GELS [J].

HU, ZB ;

ZHANG, XM ;

LI, Y .

SCIENCE, 1995, 269 (5223) :525-527

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