Issue 21, 2013
From the journal:

RSC Advances

Preparation of poly(lactic-acid)-particle stabilized liquid marble and the improvement of its stability by uniform shell formation through solvent vapor exposure†

Daisuke Matsukuma,a   Hirohmi Watanabe,a   Myo Minn,a   Aya Fujimoto,a   Takamichi Shinohara,b   Hiroshi Jinnaia  and  Atsushi Takahara*abc  

* Corresponding authors

a Japan Science and Technology Agency, ERATO, Takahara Soft Interfaces Project, CE80, Kyushu University, 744 Motooka, Nishi-ku, Fukuoka 819-0395, Japan
E-mail: takahara@cstf.kyushu-u.ac.jp
Fax: +81-92-802-2544
Tel: +81-92-802-2543

b Institute for Materials Chemistry and Engineering, Kyushu University, 744 Motooka, Nishi-ku, Fukuoka 819-0395, Japan

c International Institute for Carbon-Neutral Energy Research (WPI-I2CNER), Kyushu University, 744 Motooka, Nishi-ku, Fukuoka 819-0395, Japan

Abstract

A liquid marble was prepared from bio-based poly(lactic acid) [PLA] microparticles and water droplets. Solvent vapor exposure to the liquid marble changed the morphology of the granular PLA microparticle shell layer to a film-like shell layer even though the spherical shape of the liquid marble is retained. The morphological changes suppressed the evaporation of the water within the liquid marble by a factor of six compared with a liquid marble without the solvent vapor treatment. The compression test revealed that the mechanical stability of the solvent-treated liquid marble was changed due to the increased rigidity of the shell structure. Solvent vapor exposure is a simple but effective way to fabricate a robust liquid marble with long-term stability.

Graphical abstract: Preparation of poly(lactic-acid)-particle stabilized liquid marble and the improvement of its stability by uniform shell formation through solvent vapor exposure

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Article information

DOI
https://doi.org/10.1039/C3RA40693H
Article type
Paper
Submitted
08 Feb 2013
Accepted
07 Mar 2013
First published
07 Mar 2013

RSC Adv., 2013,3, 7862-7866

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Preparation of poly(lactic-acid)-particle stabilized liquid marble and the improvement of its stability by uniform shell formation through solvent vapor exposure

D. Matsukuma, H. Watanabe, M. Minn, A. Fujimoto, T. Shinohara, H. Jinnai and A. Takahara, RSC Adv., 2013, 3, 7862 DOI: 10.1039/C3RA40693H

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