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Multi-functions of hydrogel with bilayer-based lamellar structure

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Title: Multi-functions of hydrogel with bilayer-based lamellar structure
Authors: Haque, Md. Anamul Browse this author
Gong, Jian Ping Browse this author →KAKEN DB
Keywords: Self-assembly
Multilayer diffraction
Tunable structure color
Stratified layer
Issue Date: Jul-2013
Publisher: Elsevier Science Bv
Journal Title: Reactive & Functional Polymers
Volume: 73
Issue: 7
Start Page: 929
End Page: 935
Publisher DOI: 10.1016/j.reactfunctpolym.2013.01.016
Abstract: A novel hybrid hydrogel has been developed by combining bilayer-based lamellar structure of a self-assembled polymer surfactant and polymer network of conventional hydrogel system. A wide range of lamellar structure from micro-domain up to macro-domain (cm-scale) has been successfully generated in the hydrogel. Flat, infinitely large, and perfectly aligned lamellar macro-domain was formed by applying mechanical shear to the gel forming precursor solution containing monomer, cross-linker, and initiator. The obtained hydrogel system contains macroscopic, single-domain, periodical stacking of integrated microscopic lamellar bilayers inside the polymer matrix of the hydrogel. Periodical stacking of the bilayers in the hydrogel selectively diffract visible light to exhibit magnificent structural color. Due to the uniaxial orientation of the bilayer, the hydrogel possesses superb functions that have never been realized before, such as the one-dimensional swelling, anisotropic Young's modulus, anisotropic molecular permeation, and diffusion. Furthermore, the hydrogel exhibits excellent color tuning ability over a wide spectrum range by mechanical stimuli. (c) 2013 Elsevier Ltd. All rights reserved.
Type: article (author version)
Appears in Collections:理学院・理学研究院 (Graduate School of Science / Faculty of Science) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 龔 剣萍 (Gong Jian Ping)

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