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Dodecyl sulfate-doped polypyrrole derivative grains as a light-responsive liquid marble stabilizer

Polymer Journal volume 52, pages 589–599 (2020)Cite this article

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Abstract

Polypyrrole, poly(N-methyl pyrrole) and poly(N-ethyl pyrrole) grains were synthesized by aqueous chemical oxidative polymerization in the presence of sodium dodecyl sulfate as both a dopant and a hydrophobizing agent. The resulting grain products were characterized in terms of their size, morphology, surface and bulk chemical compositions, hydrophilic–hydrophobic balance, (photo)thermal property, and conductivity. Scanning electron microscopy studies indicated that the grains were aggregates of atypical particles with submicrometer size. Elemental microanalysis and thermogravimetric analysis confirmed the production of dodecyl sulfate-doped polypyrrole, poly(N-methyl pyrrole) and poly(N-ethyl pyrrole) materials, and they showed near-infrared light-to-heat photothermal properties, which was confirmed by thermography. The data obtained through X-ray photoelectron spectroscopy indicated the presence of dodecyl sulfate dopants on the surface of the grains. The dried polypyrrole and poly(N-ethyl pyrrole) grains showed hydrophobic character, and therefore, they can adsorb to the air–water interface and act as a light-responsive liquid marble stabilizer. Locomotion of the liquid marble can be driven by near-infrared laser irradiation-induced Marangoni flow on a planar air–water surface. The release of internal liquid can be achieved by controlled disruption of liquid marbles via external stimulus application.

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Acknowledgements

This work was supported by a Grant-in-Aid for Scientific Research (B) (JSPS KAKENHI Grant Number JP16H04207) and the International Association for the Exchange of Students for Technical Experience (IAESTE). San-Ei Gen F.F.I., Inc. is thanked for a kind donation of Sunred YM dye.

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Authors and Affiliations

  1. Department of Chemistry of Natural Compounds, University of Chemistry and Technology Prague, Technická 5, Dejvice, Prague 6, 166 28, Prague, Czech Republic

    Markéta Šišáková

  2. Division of Applied Chemistry, Environmental and Biomedical Engineering, Graduate School of Engineering, Osaka Institute of Technology, 5-16-1 Omiya, Asahi-ku, Osaka, 535-8585, Japan

    Yuta Asaumi, Makoto Uda & Keigo Oyama

  3. Department of Applied Chemistry, Faculty of Engineering, Osaka Institute of Technology, 5-16-1, Omiya, Asahi-ku, Osaka, 535-8585, Japan

    Musashi Seike, Shinya Higashimoto, Tomoyasu Hirai, Yoshinobu Nakamura & Syuji Fujii

  4. Nanomaterials Microdevices Research Center, Osaka Institute of Technology, 5-16-1, Omiya, Asahi-ku, Osaka, 535-8585, Japan

    Tomoyasu Hirai, Yoshinobu Nakamura & Syuji Fujii

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Šišáková, M., Asaumi, Y., Uda, M. et al. Dodecyl sulfate-doped polypyrrole derivative grains as a light-responsive liquid marble stabilizer. Polym J 52, 589–599 (2020). https://doi.org/10.1038/s41428-020-0307-z

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