Journal
POLYMER
Volume 45, Issue 2, Pages 447-452Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.polymer.2003.11.019
Keywords
breath figures; macroporous films; water droplet templating
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Regular micrometer-size porous polystyrene film is prepared by water droplet templating, i.e. breath figures are stabilized by the polymer in solution and thermocapillary flow arranges them into ordered packing. The influences of polystyrene molecular weight, solvent properties, and the relative humidity of atmosphere on the pattern formation and hole sizes are investigated. Two different kinds of hole packing fashion are also observed and their formation mechanisms are discussed. (C) 2003 Elsevier Ltd. All rights reserved.
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