Journal
POLYMER
Volume 147, Issue -, Pages 150-156Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.polymer.2018.06.002
Keywords
Functionalized patterned porous film; Reactive substrate; Interfacial polymerization; Breath figure; Conductivity
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Funding
- National Research Foundation of Korea [2016-R1D1A1B03930614]
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Poly (epsilon-caprolactone) honeycomb patterned porous films were selectively functionalized on the bottom surface with polypyrrole/silver (PPy/Ag) composite via in situ interfacial polymerization on a reactive substrate during the breath figure procedure. For the interfacial in situ polymerization, poly (epsilon-caprolactone) solution including pyrrole was cast on a reactive ice substrate. The reactive ice substrate contains aqueous methanesulfonic acid and silver nitrate as an oxidizing agent for the pyrrole monomer. FT-IR, EDX, UV-Visible, conductivity, and wetting measurements support the formation of PPy/Ag on the bottom surface of the films. Pore size, conductivity, and wettability increased with increased concentration of pyrrole. Films with different functionalization on either surfaces can be applied in various advanced applications such as flexible electrodes, tissue engineering, etc. (C) 2018 Elsevier Ltd. All rights reserved.
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