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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Qiao, Greg G.
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Publications (5/5 displayed)
- 2011Nanoengineered films via surface-confined continuous assembly of polymerscitations
- 2010Photochromic, metal-absorbing honeycomb structurescitations
- 2008Patterning on nonplanar substratescitations
- 2008Dramatic Morphology Control in the Fabrication of Porous Polymer Filmscitations
- 2008Fabrication of Reversibly Crosslinkable, 3-Dimensionally Conformal Polymeric Microstructurescitations
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article
Patterning on nonplanar substrates
Abstract
The effect of class transition temperature, T., on the self-assembly of "honeycomb" microstructures on nonplanar substrates was probed by the synthesis of a library of core cross-linked star polymers with different arm compositions. Star polymers based on poly(dimethyl siloxane), poly(ethyl acrylate), poly(methyl acrylate), poly(tert-butyl acrylate), and poly(methyl methacrylate) were synthesized by the "arm first" strategy using atom-transfer radical polymerization. Reaction conditions were optimized, and a series of high molecular weight star polymers were prepared in high yield. The glass transition temperature of the star polymers ranged from -123 to 100 degrees C which allowed the suitability for the formation of porous honeycomb-like films via the "breath figure" technique on nonplanar surfaces to be investigated. All star compositions successfully formed ordered films on flat surfaces. However, only star polymer compositions with a T-g below 48 degrees C could form homogeneous honeycomb coatings on the surface of nonplanar substrates.