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Published in: Journal of Coatings Technology and Research 3/2020

10-07-2019

Tunable surface chemistry and wettability of octafluorocyclobutane and acrylic acid copolymer combined LDPE substrate by pulsed plasma polymerization

Authors: I. Muzammil, Y. P. Li, X. Y. Li, D. K. Dinh, M. Imran, H. Sattar, M. K. Lei

Published in: Journal of Coatings Technology and Research | Issue 3/2020

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Abstract

Octafluorocyclobutane and acrylic acid (C4F8-co-AA) are plasma copolymerized onto low-density polyethylene (LDPE) and glass slides under various pulsation periods of radio frequency pulsed plasma. The surface wettability of plasma polymer coating is traditionally considered as a substrate-independent property. The combined effect of ultrathin C4F8-co-AA coatings and LDPE substrate on surface wettability is presented. The high concentration of the carboxylic acid functional groups gives rise to hydrophilicity via lowering duty cycle, and substrate impact gives rise to hydrophobicity for ultrathin coatings. The X-ray photoelectron spectroscopy and coating thickness measurements confirmed that the sudden increase in water contact angle for the lower duty cycle is influenced by the hydrophobic substrate for ultrathin polymer coatings. It is highlighted that the precise control over the surface wettability is attained by tuning the plasma parameters. The substrate-dependent wettability for flat substrate persisted for longer than 8 weeks, which demonstrates wetting stability for ultrathin coatings.

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Appendix
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Metadata
Title
Tunable surface chemistry and wettability of octafluorocyclobutane and acrylic acid copolymer combined LDPE substrate by pulsed plasma polymerization
Authors
I. Muzammil
Y. P. Li
X. Y. Li
D. K. Dinh
M. Imran
H. Sattar
M. K. Lei
Publication date
10-07-2019
Publisher
Springer US
Published in
Journal of Coatings Technology and Research / Issue 3/2020
Print ISSN: 1547-0091
Electronic ISSN: 1935-3804
DOI
https://doi.org/10.1007/s11998-019-00244-z

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