Results 321 to 330 of about 4,899,731 (375)
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A model for contact angle hysteresis
The Journal of Chemical Physics, 1984We discuss the behavior of a liquid partially wetting a solid surface, when the contact angle at equilibrium θ0 is small, but finite. The solid is assumed to be either flat, but chemically heterogeneous (this in turn modulating the interfacial tensions), or rough.
Joanny, J.-F., Gennes, P. G.
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Hydrophobicity and Contact Angle
2004Flotation is based on attachment of the mineral particle to an air bubble. As mineral particles are suspended in water the air bubble has to displace water from the surface of the mineral and make an effective contact, which occurs when the mineral surface is or lias been made hydrophobic to an appreciable degree.
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Contact Angle Hysteresis Explained
Langmuir, 2006A view of contact angle hysteresis from the perspectives of the three-phase contact line and of the kinetics of contact line motion is given. Arguments are made that advancing and receding are discrete events that have different activation energies. That hysteresis can be quantified as an activation energy by the changes in interfacial area is argued ...
Lichao Gao, Thomas J. McCarthy
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A remark on the capillary contact angle
Mathematical Methods in the Applied Sciences, 1985Etude d'une goutte de pluie sur un plan incline.
Marvin Shinbrot, H. Neunzert
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On the problem of dynamic contact angle
Journal of Applied Mathematics and Mechanics, 1982zbMATH Open Web Interface contents unavailable due to conflicting licenses.
V.A. Solonnikov, V.V. Pukhnachev
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CONTACT ANGLE MEASUREMENTS ON HARD CONTACT LENSES
Optometry and Vision Science, 1973The contact angle of water on three hard contact lens materials was determined by direct measurement. Aqua-Lens and Aqua-Cept materials had lower contact angles than conventional hard lens materials.
Kenneth Hall +3 more
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Hysteresis, entrapment and contact angle
1984Cumulative volume curves generated by intruding mercury into porous samples are not followed as the pressure is lowered and mercury extrudes out of the pores. In all cases, the depressurization curve lies above the pressurization curve and the hysteresis loop does not close even when the pressure is returned to zero, indicating that some mercury is ...
S. Lowell, Joan E. Shields
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Contact Angle and Local Wetting at Contact Line
Langmuir, 2012This theoretical study was motivated by recent experiments and theoretical work that had suggested the dependence of the static contact angle on the local wetting at the triple-phase contact line. We revisit this topic because the static contact angle as a local wetting parameter is still not widely understood and clearly known.
Yanguang Shan, Ri Li
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Influence of surface roughness on contact angle hysteresis and spreading work
Colloid and Polymer Science, 2020Junchao Wang +4 more
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