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Large-scale self-assembled zirconium phosphate smectic layers via a simple spray-coating process

Author

Listed:
  • Minhao Wong

    (Texas A&M University)

  • Ryohei Ishige

    (Japan Science and Technology Agency (JST) ERATO Takahara Soft Interfaces Project and Institute of Materials Chemistry and Engineering (IMCE), CE80, Kyushu University)

  • Kevin L. White

    (Texas A&M University)

  • Peng Li

    (Texas A&M University)

  • Daehak Kim

    (University of Houston)

  • Ramanan Krishnamoorti

    (University of Houston)

  • Robert Gunther

    (Dow Chemical, 200 Larkin Center)

  • Takeshi Higuchi

    (Japan Science and Technology Agency (JST) ERATO Takahara Soft Interfaces Project and Institute of Materials Chemistry and Engineering (IMCE), CE80, Kyushu University)

  • Hiroshi Jinnai

    (Japan Science and Technology Agency (JST) ERATO Takahara Soft Interfaces Project and Institute of Materials Chemistry and Engineering (IMCE), CE80, Kyushu University
    WPI-I2CNER, Kyushu University, 744 Motooka, Nishi-ku)

  • Atsushi Takahara

    (Japan Science and Technology Agency (JST) ERATO Takahara Soft Interfaces Project and Institute of Materials Chemistry and Engineering (IMCE), CE80, Kyushu University
    WPI-I2CNER, Kyushu University, 744 Motooka, Nishi-ku)

  • Riichi Nishimura

    (Kaneka Corporation, Frontier Materials Development Laboratories, 5-1-1, Torikai-Nishi, Settsu)

  • Hung-Jue Sue

    (Texas A&M University
    Texas A&M University)

Abstract

The large-scale assembly of asymmetric colloidal particles is used in creating high-performance fibres. A similar concept is extended to the manufacturing of thin films of self-assembled two-dimensional crystal-type materials with enhanced and tunable properties. Here we present a spray-coating method to manufacture thin, flexible and transparent epoxy films containing zirconium phosphate nanoplatelets self-assembled into a lamellar arrangement aligned parallel to the substrate. The self-assembled mesophase of zirconium phosphate nanoplatelets is stabilized by epoxy pre-polymer and exhibits rheology favourable towards large-scale manufacturing. The thermally cured film forms a mechanically robust coating and shows excellent gas barrier properties at both low- and high humidity levels as a result of the highly aligned and overlapping arrangement of nanoplatelets. This work shows that the large-scale ordering of high aspect ratio nanoplatelets is easier to achieve than previously thought and may have implications in the technological applications for similar materials.

Suggested Citation

  • Minhao Wong & Ryohei Ishige & Kevin L. White & Peng Li & Daehak Kim & Ramanan Krishnamoorti & Robert Gunther & Takeshi Higuchi & Hiroshi Jinnai & Atsushi Takahara & Riichi Nishimura & Hung-Jue Sue, 2014. "Large-scale self-assembled zirconium phosphate smectic layers via a simple spray-coating process," Nature Communications, Nature, vol. 5(1), pages 1-12, May.
    • Handle: RePEc:nat:natcom:v:5:y:2014:i:1:d:10.1038_ncomms4589
    DOI: 10.1038/ncomms4589
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