Title: Rheology of Thixotropic Montmorillonite Dispersions I
Abstract: The rheological characteristics of thixotropic montmorillonite dispersions are best defined on the basis of a concept of two different yield values, dynamic and static, in addition to plastic viscosity and thixotropic area. The values of these parameters were determined periodically for 10 weeks after preparation of the dispersions and were found to change at different rates. This shows that evaluation of a single rheological parameter as a function of time is not indicative of the overall rheological changes undergone by these systems. The feasibility of selective modification of certain rheological properties and aging characteristics is demonstrated by the rheograms obtained from montmorillonite dispersions to which polysorbate 80 had been added at the time of preparation.
Publication Year: 1962
Publication Date: 1962-10-01
Language: en
Type: article
Indexed In: ['crossref', 'pubmed']
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Cited By Count: 12
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