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    Viscometry of Polymer Solutions in a Coaxial-Cylinder Viscometer under High Rates of Shear

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    The design and operation of a coaxial-cylinder viscometer that permits measurements over a range of shear rate up to 96,000 reciprocal seconds are described. Principal design features are: stator cylinder mounting on an air bearing; circulation of temperature-controlling liquid through both rotor and stator; narrow annular width (0.15 mm); automatic programing of shear rate as a function of time; and automatic recording of shear stress versus shear rate, or shear stress versus time of shear at constant shear rate. A resume of experimental results on various polymer solutions is given.

    Author Information:

    Merrill, Edward W.
    Massachusetts Institute of Technology, Cambridge, Mass.

    Committee/Subcommittee: D02.06

    DOI: 10.1520/STP41257S