AIChE Letter: Transport Phenomena and Fluid Mechanics

Effect of Solute- and Solvent-Derived Marangoni Flows on the Shape of Polymer Films Formed from Drying Droplets

  1. Patience Oluwatosin Babatunde,
  2. Wang Jing Hong,
  3. Koichi Nakaso,
  4. Jun Fukai*

Article first published online: 5 FEB 2013

DOI: 10.1002/aic.14031

Issue

AIChE Journal

AIChE Journal

Volume 59, Issue 3, pages 699–702, March 2013

Additional Information

How to Cite

Babatunde, P. O., Hong, W. J., Nakaso, K. and Fukai, J. (2013), Effect of Solute- and Solvent-Derived Marangoni Flows on the Shape of Polymer Films Formed from Drying Droplets. AIChE J., 59: 699–702. doi: 10.1002/aic.14031

Author Information

  1. Dept. of Chemical Engineering, Kyushu University, Fukuoka, Japan

*Correspondence concerning this article should be addressed to J. Fukai at jfukai@chem-eng.kyushu-u.ac.jp.

Publication History

  1. Issue published online: 20 FEB 2013
  2. Article first published online: 5 FEB 2013
  3. Accepted manuscript online: 17 JAN 2013 04:02AM EST
  4. Manuscript Revised: 14 DEC 2012
  5. Manuscript Received: 23 MAY 2012

Funded by

  • Japan Society of Promotion of Science (JSPS)
  • Grant-in-Aid for Scientific Research (B). Grant Number: 22360324
  • Global Center of Excellence in Novel Carbon Resource Sciences, Kyushu University

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Keywords:

  • polymer film;
  • inkjet;
  • mixed solvent;
  • Marangoni effect

Significance

The effects of mixed solvents on the shape of films formed on a hydrophilic surface from polymer solute droplets were investigated experimentally. The film shape depended on the two solvents used, and the mixing ratio. It was also found that the flow direction was dominated by solute-derived rather than solvent-derived Marangoni flows. Consequently, the changes in the shape of the film could not be explained only by the Marangoni flow direction.

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