Oil Repellent Evaluation Using Resonance Principle

The contact angle is measured when evaluating oil repellency in water in the static wettability of a solid. Basically, it is common to observe the shape of a solid water droplet, oil or solid interface with a camera or a telescope and evaluate it from an image. The phenomenon of wetting is whether l...

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Bibliographic Details
Published inJournal of Photopolymer Science and Technology Vol. 32; no. 4; pp. 661 - 664
Main Authors Nishino, Tomoki, Tanigawa, Hiroshi, Sekiguchi, Atsushi
Format Journal Article
LanguageEnglish
Published Hiratsuka The Society of Photopolymer Science and Technology(SPST) 24.06.2019
Japan Science and Technology Agency
Subjects
Antifouling technology
Contact angle
Evaluation
Interface science
Oil repellent evaluation
Porous materials
QCM method
Resonance
Resonance principle
Solid surfaces
Water drops
Wettability
Wetting
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Summary:The contact angle is measured when evaluating oil repellency in water in the static wettability of a solid. Basically, it is common to observe the shape of a solid water droplet, oil or solid interface with a camera or a telescope and evaluate it from an image. The phenomenon of wetting is whether liquid is likely to adhere to the solid surface or not, and is discussed in terms of the contact angle. Although this method can evaluate the wettability of the surface at an instant, it is difficult to evaluate when maintaining the state of wettability or when changing the environment. Therefore, we considered a method that can evaluate the condition while observing the progress of the wettability on the surface. For surface wettability, we report a new oil repellent evaluation method using the resonance principle. In the near future, this new evaluation method can contribute to dynamic wetness that incorporates the elements of time.
ISSN:0914-9244
1349-6336
DOI:10.2494/photopolymer.32.661