Interaction of phosphate ester dispersants with calcined alumina

C. F. Hadson, M. M. Andrews, S. Raghavan

Research output: Contribution to journalArticle

4 Scopus citations

Abstract

The interaction of two commercially available phosphate ester dispersants with calcined alumina has been investigated using the techniques of flow calorimetry and electrophoresis. Flow calorimetric experiments have shown that these dispersants chemically interact with the surface of calcined alumina. The electrical charging of alumina particles in an iso-octane solution containing a phosphate ester indicates that an acid-base interaction mechanism is operative in this system.

Original languageEnglish (US)
Pages (from-to)56-62
Number of pages7
JournalColloid and Polymer Science
Volume271
Issue number1
DOIs
StatePublished - Jan 1 1993

Keywords

  • Alumina
  • adsorption
  • flow calorimetry
  • phosphate ester dispersants

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry
  • Polymers and Plastics
  • Colloid and Surface Chemistry
  • Materials Chemistry

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