Webintervals with a sessile drop goniometer (Dataphysics OCA40, Germany) on allthreetypes of PETsurfaces.Figure 2shows the setup of the inkjet–contact angle goniometer system. … Webhigh pressure chamber with optical sapphire glass. high pressure unit for generation and control of bulk liquid/gas pressure and drop liquid/gas pressure (manual or automatic) …
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WebThe processes of frost formation on the i-PP films were observed using CA System OCA40 (Dataphysics Co., Germany) with a maximum magnification of ×2000 as microscopic image system (Fig. S1). Humidity controller (Beijing YaDu Technical Company for Cleaning Air, Ltd.) is used to control the relative humidity. WebJul 21, 2024 · The droplet contact angles were measured using a Dataphysics OCA40 Micro (Filderstadt, Germany). The volume of the DI water droplets used was 3 microliters. Surface wettabilities were tested at a constant temperature of 25 °C and relative humidity of 58%. All the data were determined by averaging five individual measurements. greeley brunch
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WebOct 4, 2024 · The microstructure of the f-SiO 2 particles and surface morphology of the hydrophobic surfaces were observed by scanning electron microscope (SEM, Nova NanoSEM 430, FEI). The water contact angle (WCA) of the samples was measured by utilizing an optical contact angle measuring equipment (Dataphysics OCA40 Micro … WebWettability of the surface of Ti6Al4V specimens was examined by an optical water contact angle (WCA) measuring device (Dataphysics OCA40 Micro, Germany) using 1 µL of deionized water at 25 °C and 45% humidity. ... (Dataphysics, Germany). For statistical analysis of differences in water contact angles, a one-way ANOVA following Dunnett’s ... WebJan 12, 2024 · The OCA 25 is the all-purpose measuring device for contact angle measurements and the drop shape analysis.For large samples the OCA 25L is equipped with long... flower for lisa genshin impact