Synthesis of deformable hydrogel composites based on Janus bilayer multi-walled carbon nanotubes/host-guest complex structure

Yun Fei Zhang; Fei Peng Du; Ling Chen; Wing Cheung Law; Chak Yin Tang

doi:10.1016/j.compositesb.2018.11.068

Synthesis of deformable hydrogel composites based on Janus bilayer multi-walled carbon nanotubes/host-guest complex structure

Yun Fei Zhang, Fei Peng Du, Ling Chen, Wing Cheung Law, Chak Yin Tang

Research output: Journal article publication › Journal article › Academic research › peer-review

31 Citations (Scopus)

Abstract

Stimuli-responsive hydrogel actuators, which can swell and shrink reversibly, have attracted great attention. In this paper, a bilayer hydrogel actuator based on multi-walled carbon nanotubes (MWCNTs)/host-guest polymer composites was prepared. The surface compatibility of MWCNTs was improved by the oxidization process and vinyl functionalization. Fourier transform infrared (FTIR) and Raman analysis revealed that the modifications conferred the hydrophilic groups and disorder structures to MWCNTs, which can enhance the hydrophilicity of poly(acrylamide) matrix. The host and guest hydrogels bilayer structured actuator shows a bending movement in water, providing a new route to design and fabricate high performance hydrogel based actuators.

Original language	English
Pages (from-to)	121-128
Number of pages	8
Journal	Composites Part B: Engineering
Volume	164
DOIs	https://doi.org/10.1016/j.compositesb.2018.11.068
Publication status	Published - 1 May 2019

Keywords

Assembly
Polymer-matrix composites
Thermal properties
Wettability

ASJC Scopus subject areas

Ceramics and Composites
Mechanics of Materials
Mechanical Engineering
Industrial and Manufacturing Engineering

More information

10.1016/j.compositesb.2018.11.068

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AU - Tang, Chak Yin

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AB - Stimuli-responsive hydrogel actuators, which can swell and shrink reversibly, have attracted great attention. In this paper, a bilayer hydrogel actuator based on multi-walled carbon nanotubes (MWCNTs)/host-guest polymer composites was prepared. The surface compatibility of MWCNTs was improved by the oxidization process and vinyl functionalization. Fourier transform infrared (FTIR) and Raman analysis revealed that the modifications conferred the hydrophilic groups and disorder structures to MWCNTs, which can enhance the hydrophilicity of poly(acrylamide) matrix. The host and guest hydrogels bilayer structured actuator shows a bending movement in water, providing a new route to design and fabricate high performance hydrogel based actuators.

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KW - Thermal properties

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Synthesis of deformable hydrogel composites based on Janus bilayer multi-walled carbon nanotubes/host-guest complex structure

Abstract

Keywords

ASJC Scopus subject areas

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