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Rheological behaviour of titanium dioxide (uncoated anatase) in ethylene glycol

Lookup NU author(s): John Lawson

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Abstract

The rheological properties of dispersions of particles of uncoated anatase in ethylene glycol have been determined. In general, the samples show classical shear thinning behaviour, but with shear thickening occurring at high stresses. The variation of viscosity with particle volume fraction, pH, water content and the addition of poly(acrylic acid) has been studied. Uncoated anatase was found to exist in dispersion in the form of aggregates. Packing within the aggregates was observed to be 0.6, through adaptation of the Krieger-Dougherty equation and application of viscosity data. (C) 2002 Elsevier Science B.V. All rights reserved.

Publication metadata

Author(s): Chadwick MD, Goodwin JW, Vincent B, Lawson EJ, Mills PDA

Publication type: Article

Publication status: Published

Journal: Colloids and Surfaces A: Physicochemical and Engineering Aspects

Year: 2002

Volume: 196

Issue: 2-3

Pages: 235-245

ISSN (print): 0927-7757

ISSN (electronic): 1873-4359

Publisher: Elsevier BV

URL: http://dx.doi.org/10.1016/S0927-7757(01)00898-6

DOI: 10.1016/S0927-7757(01)00898-6

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