WebThe surface hydrophilicity characteristic of membranes was investigated by measuring of the water contact angle of the membrane surfaces using a G10, KRUSS contact angle test instrument (Germany). Morphology of cross-section of membranes were surveying with the imaging by scanning electron microscopy (SEM, Zeiss, Germany). WebThe cathode with S-PVdF binders showed a much lower contact angle of 39° than that of the electrode with PVdF binders (97°), indicating a better surface wettability between the …
Contact Angle - an overview ScienceDirect Topics
WebContact angle is important in membrane research as it reveals the hydrophilicity and the wetting behaviour of a membrane. A hydrophilic membrane is desired as it exhibits low … WebMar 15, 2006 · Fig. 1. Contact angle with plasma treatment work: (a) advancing contact angle and (b) receding contact angle. The surface hydrophilicity of all three polymers is seen to increase with treatment work increasing. This is seen in the reduction of both the advancing and receding contact angle data with treatment work. robotic shuttle put wall
Superhydrophobicity, Oleophobicity, and Contact Angle
WebOn a hydrophobic surface, water forms distinct droplets. As the hydrophobicity increases, the contact angle of the droplets with the surface increases. Surfaces with contact angles > 90° are designated as … WebMar 25, 2024 · Their result showed an enhanced hydrophilicity property with contact angle close to 0° at 20 bilayers. Ref. [122] reported a UV- cured superhydrophilic coating (PUA-SNPs/BPEI)n with high stability that was constructed in the form of a hydrogen-bonding- based LBL multilayer incorporating silica nanoparticles (SNPs). In their study, … WebWettability is measured by the water contact angle; it is used to estimate the hydrophilicity or hydrophobicity of a material's surface [50, 70]. A small contact angle of less than 90 degrees corresponds to high wettability or hydrophilicity whereas a large contact angle of more than 90 degrees signifies low wettability or hydrophobicity [74]. robotic show