Wettability control of a polymer surface through 126 nm vacuum ultraviolet light irradiation

Atsushi Hozumi; Naoto Shirahata; Youichiro Nakanishi; Shuuichi Asakura; Akio Fuwa

doi:10.1116/1.1701867

Wettability control of a polymer surface through 126 nm vacuum ultraviolet light irradiation

Atsushi Hozumi, Naoto Shirahata, Youichiro Nakanishi, Shuuichi Asakura, Akio Fuwa

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16 Citations (Scopus)

Abstract

The wettability control of poly (methyl methacrylate)(PMMA) was analyzed using a 126 nm vacuum ultraviolet (VUV) irradiation. The samples were exposed to 126 nm VUV light in air over the pressure range of 2 × 10 ^∓4∓10⁵. It was observed that the minimum water contact angles were about 50°, 33° and 64° when the samples were treated at 10, 10³, and 10⁵ Pa. It was also observed through 172 nm VUV irradiation that the values were larger than the PMMA substrates. After 126 nm VUV irradiation was conducted under the high vacuum condition of 2×10^∓4 Pa, it was found that the PMMA substrate surface became carbon-rich.

Original language	English
Pages (from-to)	1309-1314
Number of pages	6
Journal	Journal of Vacuum Science and Technology A: Vacuum, Surfaces and Films
Volume	22
Issue number	4
DOIs	https://doi.org/10.1116/1.1701867
Publication status	Published - 2004 Jul

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ASJC Scopus subject areas

Surfaces, Coatings and Films
Surfaces and Interfaces
Physics and Astronomy (miscellaneous)

Cite this

Hozumi, A., Shirahata, N., Nakanishi, Y., Asakura, S., & Fuwa, A. (2004). Wettability control of a polymer surface through 126 nm vacuum ultraviolet light irradiation. Journal of Vacuum Science and Technology A: Vacuum, Surfaces and Films, 22(4), 1309-1314. https://doi.org/10.1116/1.1701867

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10.1116/1.1701867