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Chinese Science Bulletin

, Volume 57, Issue33, pp 42784283

First Online: 14 September 2012Received: 11 April 2012Accepted: 23 May 2012DOI: 10.1007-s11434-012-5440-4

Cite this article as: Chu, W.
& Chen, C.
Chin.
Sci.
Bull.
2012 57: 4278.
doi:10.1007-s11434-012-5440-4

Abstract

The amidourea-based homoduplex was developed as a super organogelator, which could form stable gels in wide-tested solvents.
And the reversible gel to solution transition was responsive to heat-cool and acid-base stimuli.
The organogels were extensively investigated by H NMR, UV-visible absorption spectroscopy, fluorescence spectroscopy, scanning electron microscopy, transmission electron microscopy and powder X-ray diffraction.
Based on these data, the gelation mechanism was rationally proposed.
The hydrogen-bonded homoduplexes served as the basic assembling units, and further aggregated into three dimensional networks via - stacking and van der Waals interactions, which consequently led to the entangled fibers for the gel formation.

Keywordsamidoureahomoduplexorganogelatorgelation mechanismThis article is published with open access at Springerlink.com

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Autor: WeiJunChu - ChuanFengChen

Fuente: https://link.springer.com/



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