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Research Article Open access CC BY 3.0

Micrometer–Range Pattern Formation of Crystal Films from Liquid Thin Films of Maleimide Methanol Solution

Janice B. Rabor, Toshifumi Yoshidome, Keigo Tamaki, Yuki Tsurumura, Brian J. Sarno, Morihide Higo

International Research Journal of Pure and Applied Chemistry · pp. 183–195 · Published 12 Oct 2012

10.9734/IRJPAC/2012/1674

Abstract

Crystal films of maleimide were produced from methanol solution liquid thin film climbing a vertical glass substrate. Optical microscopy and infrared (IR) spectroscopy were used to evaluate the crystal films. Maleimide methanol solution produced four banded crystal films with different thickness appearing alongside each other in horizontal position. Each band of crystal films had a uniform pattern different from the other bands. The differences of pattern among the banded crystal films were attributed to fluid dynamics, temperature and liquid film thickness as consequence of a particular experimental condition. Each band of crystal films also exhibited different sublimation nature and variations in IR spectra.  

Liquid thin films pattern formation fluid dynamics morphology maleimide crystal growth

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