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Full-Text Articles in Forest Sciences
The Slip Velocity Of Coating Formulations Using The High-Shear Viscometer, Daniel Parker Krieger
The Slip Velocity Of Coating Formulations Using The High-Shear Viscometer, Daniel Parker Krieger
Masters Theses
When using a cup and bob viscometer, it has long been recognized that errors in the viscosity measurement can arise from several factors, among them slip. Slip is a phenomenon which occurs when there are slipping layers in the fluid under shear, causing a non-uniform velocity gradient to be generated across the gap of the cup and bob viscometer. A layer of fluid at either the bob or cup wall moves faster than the adjoining layers, causing the slipping effect. This leads to a low viscosity calculation for the fluid.
In this study, experiments with coating formulations were conducted using …
The Effect Of Viscosity In Beveled Blade Coating, Salih Cebe
The Effect Of Viscosity In Beveled Blade Coating, Salih Cebe
Masters Theses
The objective of this study was to investigate the effects of several types of coating viscosity on coat weight development during the beveled blade coating process. In this study, the effects of several types of coating viscosity were experimentally investigated at the applicator roll, before and underneath the blade. Coating color viscosities were changed through two methods. The first method involved changing the temperature of coating color at constant carboxymethylcellulose (CMC) concentration, while the second method consisted of varying the CMC concentration in coating formula at constant coating temperature.
Coating viscosity had an influencing effect both on the amount of …