Cover Image, Volume 51, Issue 6 Journal of Polymer Science Part B: Polymer Physics 51
Poly(methyl methacrylate) can breathe when it is immersed in a mixture of a non-solvent (water) and good solvent (THF), as presented by Farnaz Farbod, Behzad Pourabbas, and Mehdi Sharif on page 441. In normal breath figure formation, a surface swollen layer is formed by solvent on the glassy polymer. When this is surrounded by a temperature and humidity controlled atmosphere, a combination of concurrent events including evaporation of the solvent and water vapor condensation on the cooled surface lead to formation of regular patterns, the breath figure. However, the surface of a glassy polymer can be decorated much easier by a process called direct breath figure formation, when the regularity of the pattern hasminor priority.
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