Superhydrophobic transparent surface of nanostructured poly(methly methacrylate) enhanced by a hydrolysis reaction

Title
Superhydrophobic transparent surface of nanostructured poly(methly methacrylate) enhanced by a hydrolysis reaction
Authors
허은규고태준신봉수노현철다이웨이성원경김호영이광렬오규환문명운
Keywords
oxygen plasma; nanopatterning; superhydrophobic; transparency; hydrolysis; hydrophobic coatings; plasma etching; poly(methly methacrylate) (PMMA)
Issue Date
2013-05
Publisher
Plasma Processes and Polymers
Citation
VOL 10, NO 5, 481-488
Abstract
We report a method to create a self-cleaning, transparent surface on poly(methyl methacrylate) (PMMA) using a dry etching with CF4 plasma and a subsequent hydrolysis process with water immersion. During the CF4 plasma treatment, nanoscale pillar structures were formed and its aspect ratio tended to increase. However, the transparency was reduced due to the deposition and the accumulation of undesired capping layers, which cover the structures. The hydrolysis was used to remove the capping layers of metal fluoride. As a result, the surface improves their clarity based on the transmittance up to 95%, because the reflectivity was reduced. With a subsequent hydrophobic coating, a superhydrophobic surface was achieved showing robust anti-wetting and anti-dewing effects.
URI
http://pubs.kist.re.kr/handle/201004/44842
ISSN
16128850
Appears in Collections:
KIST Publication > Article
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