Study on the Preparation and Self-driven Deformations of Bionic Magnetism Response 4D Intelligent Hydrogel

doi:10.3901/JME.2020.15.090

Journal of Mechanical Engineering ›› 2020, Vol. 56 ›› Issue (15): 90-96.doi: 10.3901/JME.2020.15.090

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Study on the Preparation and Self-driven Deformations of Bionic Magnetism Response 4D Intelligent Hydrogel

CHANG Yanjiao^1,2, HOU Wenhua^1,2, LIANG Yunhong^1,2, SUN Dehui³

1. State Key Laboratory of Automotive Simulation and Control, Jilin University, Changchun 130022;
2. Key Laboratory of Bionic Engineering, Ministry of Education, Jilin University, Changchun 130022;
3. College of Science, Changchun Institute of Technology, Changchun 130012

Received:2019-10-16 Revised:2020-03-09 Online:2020-08-05 Published:2020-10-19

Abstract

Abstract: Hydrangea seed awn can realize self-driven seeding function by twisting spiral deformation and untwisting spiral deformation under the condition of humidity. The hydrangea seed awn is treated as bionic model. Based on the microstructure characteristics and self-driven mechanism of deformation parts, the bionic bilayer structure model with swelling anisotropy is built guide the design of bionic magnetism response 4D intelligent hydrogel. The N,N-dimethylacrylamide, nanosized synthetic hectorite clay, nanofibrillated cellulose and ferroferric oxide are treated as monomer, crosslinking agent, reinforcement and magnetism response particle, respectively. The poly N,N-dimethylacrylamide hydrogel prepared via physical crosslinking is treated as basic material. The bionic bilayer magnetism response 4D intelligent hydrogel prepared via one-step molding technology owned swelling and magnetism deformation properties, which realized the combination of mechanical strength and multiform intelligent responses and provided an effective bionic new thought and method for the solution of bottleneck of magnetism response intelligent hydrogels.

Key words: bionic structure, hydrangea seed awn, intelligent hydrogel, mechanical strength, deformation pattern

CLC Number:

TB17

CHANG Yanjiao, HOU Wenhua, LIANG Yunhong, SUN Dehui. Study on the Preparation and Self-driven Deformations of Bionic Magnetism Response 4D Intelligent Hydrogel[J]. Journal of Mechanical Engineering, 2020, 56(15): 90-96.

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Study on the Preparation and Self-driven Deformations of Bionic Magnetism Response 4D Intelligent Hydrogel

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