Self-assembled microstructured polymeric and ceramic surfaces
Self-assembled microstructures were manufactured by dip coating of substrates with unfilled and filler-loaded preceramic polymer mixtures in the presence of a solvent and a non-solvent. The nature of the polymers was characterized by their solubility parameters. Variation of the polymer/polymer rati...
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Veröffentlicht in: | Journal of the European Ceramic Society 2011-08, Vol.31 (9), p.1803-1810 |
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container_title | Journal of the European Ceramic Society |
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creator | Woiton, Michael Heyder, Madeleine Laskowsky, Alexandra Stern, Edda Scheffler, Michael Brabec, Christoph J. |
description | Self-assembled microstructures were manufactured by dip coating of substrates with unfilled and filler-loaded preceramic polymer mixtures in the presence of a solvent and a non-solvent. The nature of the polymers was characterized by their solubility parameters. Variation of the polymer/polymer ratio and the volume fraction of the solvent and/or non-solvent led to different surface structures. Studies of the structure formation mechanism indicate that demixing processes of the polymers are responsible for self-assembly in filler-free mixtures. In filler-loaded mixtures the structure formation process, however, is more complex. The micro-structured polymeric coatings obtained from filler loaded systems were converted into polymer derived ceramic coatings under shape retention. High specific surface areas were measured after thermal conversion. |
doi_str_mv | 10.1016/j.jeurceramsoc.2011.03.001 |
format | Article |
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subjects | Ceramic coatings Ceramics Conversion Immersion coating Microstructure Porosity Precursors-organic Self assembly SiC Solubility parameters Solvents Surfaces |
title | Self-assembled microstructured polymeric and ceramic surfaces |
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