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Issue 6, 2014
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Chemo-responsive bilayer actuator film: fabrication, characterization and actuator response

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Abstract

A chemo-responsive bilayer actuator was fabricated by cross-linking a polysaccharide based highly hydrophilic material with the polyamide-6 (PA-6) substrate. The hydrogel material was prepared by grafting the polyacrylamide (PAAm) and poly(acrylic acid) (PAA) copolymer onto carboxymethyl cellulose (CMC) [poly(AA-co-AAm)-g-CMC]. The successful grafting of the copolymer onto CMC was confirmed by Fourier transform infrared spectroscopy and thermogravimetric analysis. The swelling behavior of the poly(AA-co-AAm)-g-CMC hydrogel was examined at a range of pH values and ionic strengths. Fabrication of the bilayer actuator was performed by drop casting a poly(AAm-co-AA)-g-CMC solution onto a PA-6 substrate followed by subsequent cross-linking under ultraviolet radiation. Cross-linking was performed to make the material readily swellable in water but prevent complete dissolution. The actuator response was measured in both water and ethanol.

Graphical abstract: Chemo-responsive bilayer actuator film: fabrication, characterization and actuator response

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Article information


Submitted
03 Jan 2014
Accepted
21 Mar 2014
First published
24 Mar 2014

New J. Chem., 2014,38, 2653-2659
Article type
Paper
Author version available

Chemo-responsive bilayer actuator film: fabrication, characterization and actuator response

Y. Haldorai and J. Shim, New J. Chem., 2014, 38, 2653
DOI: 10.1039/C4NJ00014E

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