Gravity-Drawn
Silicone Filaments: Production, Characterization,
and Wormlike Chain Dynamics
Version 3 2018-11-07, 09:14
Version 2 2018-01-03, 18:50
Version 1 2017-11-10, 19:40
Posted on 2018-11-07 - 09:14
We introduce a method to produce
continuous polydimethylsiloxane
(PDMS) silicone filaments on the order of 0.5 m long and 100 μm
in diameter. The approach overcomes traditional limitations in silicone
drawing by partially precuring the polymer and drawing through a tube
furnace. We characterize the filaments’ mechanical properties,
and their ability to switch hydrophobicity by UV-ozone and corona
discharge patterning. The flexible filaments’ dynamic properties
were evaluated by way of athermal acoustic excitation at the air–water
interface, revealing conformational reconfigurability consistent with
a wormlike chain model. We envision applications in rapid prototyping
and as a platform for model foldamer studies.
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Kiessling, Roxanna; Rubin, Samuel J.S.; Zehner, Jacquelyn; Barraugh, Collin; Snell, Katherine; Fukushima, Corinna; et al. (2017). Gravity-Drawn
Silicone Filaments: Production, Characterization,
and Wormlike Chain Dynamics. ACS Publications. Collection. https://doi.org/10.1021/acsami.7b11972
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AUTHORS (11)
RK
Roxanna Kiessling
SR
Samuel J.S. Rubin
JZ
Jacquelyn Zehner
CB
Collin Barraugh
KS
Katherine Snell
CF
Corinna Fukushima
MM
Matthew Mulligan
MK
Melissa Keckley
AB
Anthony Bosshardt
WC
Walter Cook
BS
Babak Sanii