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Responsive Supramolecular Gels Constructed by Crown Ether Based Molecular Recognition

Authors

  • Zhishen Ge,

    1. Hefei National Laboratory for Physical Sciences at the Microscale, Key Laboratory of Soft Matter Chemistry, Department of Polymer Science and Engineering, University of Science and Technology of China, Hefei, Anhui 230026 (P.R. China), Fax: (+86) 551-3607348
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  • Jinming Hu,

    1. Hefei National Laboratory for Physical Sciences at the Microscale, Key Laboratory of Soft Matter Chemistry, Department of Polymer Science and Engineering, University of Science and Technology of China, Hefei, Anhui 230026 (P.R. China), Fax: (+86) 551-3607348
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  • Feihe Huang Prof. Dr.,

    1. Department of Chemistry, Zhejiang University, Hangzhou, Zhejiang 310027 (P.R. China), Fax: (+86) 571-87953189
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  • Shiyong Liu Prof. Dr.

    1. Hefei National Laboratory for Physical Sciences at the Microscale, Key Laboratory of Soft Matter Chemistry, Department of Polymer Science and Engineering, University of Science and Technology of China, Hefei, Anhui 230026 (P.R. China), Fax: (+86) 551-3607348
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  • This work was financially supported by an Outstanding Youth Fund (50425310) and research grants (20534020, 20674079, and 20874092) from the National Natural Scientific Foundation of China (NNSFC).

Abstract

Responsive supramolekulare Gele wurden aus vierarmigem Poly(ε-caprolacton) mit Kronenether-Endgruppen (PCL–DB24C8) und zweiarmigem Poly(ε-caprolacton) mit Dibenzylammonium-Endgruppen (PCL–DBAS) aufgebaut (siehe Schema), wobei sich die Bildung von Pseudorotaxanstrukturen aus Kronenether- und Ammoniumeinheiten als nützlich erwies. Diese supramolekularen Gele durchlaufen bei Temperatur- und pH-Änderungen reversible Gel-Sol-Übergänge.

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