Precise Measurements of Polymer Solutions with Applied Pressure Master Viscometers

概要

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Using suspended-level type master viscometers and different pressures, studies were made on the methods of measuring viscosity. Critical studies by experiments were conducted to determine the cause of the differentials conceivable under this method. The viscometer were calibrated at 20°C, using the JIS Viscometer Calibrating Liquids. The instruments were used to determine the viscosities of three viscous liquids, a mineral oil and two polymer solutions, all in the range of 2, 000 to 200, 000cSt. Results of these studies indicates that viscosity measurements can be made to an accuracy of 0.2 to 0.7%, within a range of shear rate of 10-2 to 102 sec-1.
公益社団法人石油学会の論文