Design and Preparation of Magnetism-Driven Intelligent Hydrogel Actuators
Author:
Chang Y.-J.12, Zhou Q.3, Hou W.-H.1, Liang Y.-H.1, Ren L.4, Sun D.-H.5, Ren L.-Q.1
Affiliation:
1. State Key Laboratory of Automotive Simulation and Control, Jilin University , Changchun , PRC 2. College of Food Science and Engineering, Jilin University , Changchun , PRC 3. Cadre’s Ward, The First Hospital of Jilin University , Changchun , PRC 4. School of Mechanical, Aerospace and Civil Engineering, University of Manchester , Manchester , UK 5. College of Science, Changchun Institute of Technology , Changchun , PRC
Abstract
Abstract
Novel kinds of magnetism-driven poly N,N-dimethylacrylamide bilayer intelligent hydrogels with various nanofibrillated cellulose (NFC) contents were prepared successfully via one-step insitu free radical polymerization. The bilayer hydrogels possessed high mechanical strength, efficient swelling and steady magnetic response. With the increase of nanofibrillated cellulose content, the crosslinking density of the hydrogels increased, leading to the decrease of swelling rate and increase of mechanical strength and swelling bending degree of hydrogel actuators, respectively. Fe3O4 particles existed tightly on the micropore surfaces of the hydrogels, which built the function base of magnetic response of hydrogel actuators. The addition of Fe3O4 was irrelevant to the variation of crosslinking density. The bilayer structure exhibited high bonding strength. Based on intelligent responsive properties, bilayer hydrogels were designed as soft magnetism-driven actuators, realizing capture and transportation properties and provided material candidates for soft robots.
Publisher
Walter de Gruyter GmbH
Subject
Materials Chemistry,Industrial and Manufacturing Engineering,Polymers and Plastics,General Chemical Engineering
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