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How Colloid Stability Affects the Behavior of Suspensions

  • J. Theodoor
  • G. Overbeek
Part of the Materials Science Research book series (MSR, volume 17)

Abstract

The stability of hydrophobic colloids toward added electrolytes, the valence rule of Schulze and Hardy, protective action and sensitization by large molecules are briefly treated. Sedimentation, the nature of the sediments, electrodeposition, and rheology are used to illustrate the difference in behavior between stable and unstable suspensions. The theoretical interpretation of stability is based on Van der Waals attraction, electrostatic repulsion and on the interaction of dissolved and adsorbed long chains (“hairy particles”). The rate of coagulation, repeptization and the possibility of thermodynamic stability are considered.

Keywords

Double Layer Interfacial Tension Colloid Interface Electrostatic Repulsion Colloid Stability 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Plenum Press, New York 1984

Authors and Affiliations

  • J. Theodoor
    • 1
  • G. Overbeek
    • 1
  1. 1.Van’t Hoff LaboratoryUniversity of UtrechtUtrechtThe Netherlands

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