Issue 23, 2014

Construction of a pillar[5]arene-based linear supramolecular polymer and a photo-responsive supramolecular network

Abstract

A linear supramolecular polymer has been constructed from self-assembly of two complementary homoditopic monomers, an azobenzene-bridged pillar[5]arene dimer and a bisammonium salt, at high concentration based on the pillar[5]arene/secondary ammonium salt molecular recognition motif. This supramolecular polymer exhibited photo and pH dual-responsiveness. Polymer–oligomer and polymer–monomer transitions were reversibly regulated by UV/vis light irradiation and changing the solution pH, respectively. Furthermore, a photo-responsive supramolecular crosslinked liquid-crystalline polymer network based on the host–guest interactions between the azobenzene-bridged pillar[5]arene dimer and a secondary ammonium salt-functionalized poly(methyl acrylate) was fabricated.

Graphical abstract: Construction of a pillar[5]arene-based linear supramolecular polymer and a photo-responsive supramolecular network

Supplementary files

Article information

Article type
Communication
Submitted
29 Jul 2014
Accepted
19 Aug 2014
First published
19 Aug 2014

Polym. Chem., 2014,5, 6645-6650

Construction of a pillar[5]arene-based linear supramolecular polymer and a photo-responsive supramolecular network

J. Yang, Z. Li, Y. Zhou and G. Yu, Polym. Chem., 2014, 5, 6645 DOI: 10.1039/C4PY01042F

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