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Issue 8, 2014
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Supramolecular effects on formation of CaCO3 thin films on a polymer matrix

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Abstract

We here report the use of carboxylated polyrotaxanes as supramolecular templates for the formation of CaCO3 thin films. Polyrotaxanes consisting of carboxylated α-cyclodextrins (α-CD–COOH) and poly(ethylene glycol) have been obtained as an inducer of CaCO3 crystals. Poly(vinyl alcohol) has been used as a matrix to interact with the polyrotaxanes for this crystallization. These polyrotaxanes induce the formation of CaCO3 thin films, while the simple mixture of monomeric α-CD–COOH and capped poly(ethylene glycol) only leads to the formation of granular crystals. The assembled carboxyl groups due to the construction of the polyrotaxane structure play an essential role for the development of CaCO3 thin films. Moreover, morphology and orientation of the obtained CaCO3 thin films are dependent on the amount of α-CD–COOH incorporated into the polyrotaxane structure. This approach to the use of supramolecular templates will bring new designs for hybrid materials.

Graphical abstract: Supramolecular effects on formation of CaCO3 thin films on a polymer matrix

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Publication details

The article was received on 20 Aug 2013, accepted on 17 Oct 2013 and first published on 18 Oct 2013


Article type: Paper
DOI: 10.1039/C3CE41649F
Citation: CrystEngComm, 2014,16, 1496-1501

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    Supramolecular effects on formation of CaCO3 thin films on a polymer matrix

    F. Zhu, T. Nishimura, H. Eimura and T. Kato, CrystEngComm, 2014, 16, 1496
    DOI: 10.1039/C3CE41649F

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