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Issue 5, 2011
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Hydrogel with cubic-packed giant concentric domains of semi-rigid polyion complex

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Abstract

We report a novel giant oriented structure observed in plate hydrogels synthesized by photo-polymerization of cationic monomers with a cross-linker in the presence of a semi-rigid polyanion as the dopant. The giant structure, formed viaself-assembly of the semi-rigid polyion complex, consists of millimetre-scale cubic packed concentric cylindrical domains that are sandwiched by two homeotropically aligned outer layers. A universal relationship between the diameter of the cylinders D and the thickness of the swollen gel T is observed, as D = 0.5T, regardless the change in the concentrations of the polyanion and precursor cationic monomer. This result permits us to induce the giant concentric structure into hydrogels with tunable cylindrical sizes.

Graphical abstract: Hydrogel with cubic-packed giant concentric domains of semi-rigid polyion complex

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Publication details

The article was received on 11 Oct 2010, accepted on 11 Nov 2010 and first published on 12 Jan 2011


Article type: Paper
DOI: 10.1039/C0SM01139H
Soft Matter, 2011,7, 1884-1889

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    Hydrogel with cubic-packed giant concentric domains of semi-rigid polyion complex

    Z. L. Wu, Md. Arifuzzaman, T. Kurokawa, H. Furukawa and J. P. Gong, Soft Matter, 2011, 7, 1884
    DOI: 10.1039/C0SM01139H

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