Young 1805: cos theta = (gamma_SV - gamma_SL) / gamma_LV; foundation of wettability + capillary phenomena; theta < 90 hydrophilic, > 90 hydrophobic; basis of self-cleaning surfaces.
Young 1805: cos theta = (gamma_SV - gamma_SL) / gamma_LV; foundation of wettability + capillary phenomena; theta < 90 hydrophilic, > 90 hydrophobic; basis of self-cleaning surfaces.