Transparent h-BN/polyacrylamide nanocomposite hydrogels with enhanced mechanical properties |
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Authors: | Zhi-Qiang Duan Ming Zhong Fu-Kuan Shi Xu-Ming Xie |
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Affiliation: | Laboratory of Advanced Materials(MOE), Department of Chemical Engineering, Tsinghua University, Beijing 100084, China |
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Abstract: | In this study, a facile way has been proposed to prepare transparent, tough and flexible polyacrylamide (PAM) hydrogels which is composed of a dually crosslinked single network by chemical crosslinking of N,N'-methylenebisacrylamide (BIS) and physical crosslinking of hydrophilic hexagonal boron nitride (hBN) nanosheets. The resulting h-BN/PAM nanocomposite hydrogels are highly transparent, and exhibit significantly enhanced mechanical properties compared to the dark (GO)/PAM nanocomposite hydrogels or chemical crosslinking PAM hydrogels. Thus it opens up new opportunities for developing nextgeneration transparent, tough and flexible hydrogels that hold great promise in such important applications as light responsive soft robot and liquid microlenses. |
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Keywords: | Hexagonal boron nitride Polyacrylamide Nanocomposite hydrogels Mechanical properties Transparency |
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