Journal
JOURNAL OF POLYMER SCIENCE PART B-POLYMER PHYSICS
Volume 54, Issue 19, Pages 1968-1974Publisher
WILEY-BLACKWELL
DOI: 10.1002/polb.24102
Keywords
adhesion; conducting polymers; microstructure; polypyrroles; templated electropolymerization
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Funding
- Combatting Terrorism Technical Support Office (CTTSO) [NAVY-14-C-3292]
- National Science Foundation [DGE-1333468]
- CTTSO
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Efficient removal of particles from topologically-complex surfaces is of significant import for a range of applications (e.g., explosive residue removal in security arenas). Here, we synthesize next-generation polymeric particle removal swabs with tuned structural features to elucidate the influence of the polymer microstructure on the removal of trace particles from surfaces. Specifically, microstructured free-standing films of the conducting polymer polypyrrole (PPy) were synthesized through template-assisted electropolymerization techniques. The removal of polystyrene microspheres from representative aluminum surfaces of varying roughness was evaluated as a function of the PPy microstructure. PPy-based microstructured swabs displayed increased particle trapping properties relative to non-textured PPy-based swabs and current commercial swabs. This increased effectiveness occurred from the more intimate particle-swab contact, leading to increased van der Waals interactions for the microstructured swabs. Therefore, this effort provides critical design rules for the production of microstructured conducting polymer materials for their application toward advanced particle removal technologies. (c) 2016 Wiley Periodicals, Inc. J. Polym. Sci., Part B: Polym. Phys. 2016, 54, 1968-1974
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