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9 - Applications

Published online by Cambridge University Press:  07 April 2021

Edited by
Norman J. Wagner  and
Jan Mewis
Norman J. Wagner
Affiliation:
University of Delaware
Jan Mewis
Affiliation:
KU Leuven, Belgium
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Summary

Some industrial products and processes involving colloid rheology are presented within the framework of this book. Paint rheology is presented and analyzed, where effects such as coating defects are avoided by ensuring the right rheology at each stage. Coating formulation is discussed, in particular for waterborne coatings. Carbon black suspensions are also widely used. Their microstructure is considered at different length scales. The resulting rheology includes time effects such as thixotropy. Measurement problems are reviewed as well as their electrical and dielectric behavior. For bitumen and asphalts, thermorheological behavior and aging are important and are controlled by their specific microstructure. A colloidal approach can also be used here. The rheology is discussed on the basis of the Roscoe model. For cement and cement-based products the rheology during shaping and hardening is linked to the underlying physical processes and interactions in the cement. Thixotropy and yield stress are relevant factors here. In the final part large scale processes are tackled. These often involve mixtures of large and small particles. Practical measurements such as the vane and the slump test are discussed, as well as the prediction of suspension behavior in industrial equipment. The compression behavior can be relevant here, including the compressive yield stress.

Keywords

rheologycolloidsapplicationspaintscarbon blackasphaltcementprocessingreview
Type
Chapter
Information
Theory and Applications of Colloidal Suspension Rheology , pp. 352 - 406
Publisher: Cambridge University Press
Print publication year: 2021

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  • Applications
  • Edited by Norman J. Wagner, University of Delaware, Jan Mewis
  • Book: Theory and Applications of Colloidal Suspension Rheology
  • Online publication: 07 April 2021
  • Chapter DOI: https://doi.org/10.1017/9781108394826.010
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  • Applications
  • Edited by Norman J. Wagner, University of Delaware, Jan Mewis
  • Book: Theory and Applications of Colloidal Suspension Rheology
  • Online publication: 07 April 2021
  • Chapter DOI: https://doi.org/10.1017/9781108394826.010
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  • Applications
  • Edited by Norman J. Wagner, University of Delaware, Jan Mewis
  • Book: Theory and Applications of Colloidal Suspension Rheology
  • Online publication: 07 April 2021
  • Chapter DOI: https://doi.org/10.1017/9781108394826.010
Available formats
×