Super-stoichiometric charge neutralization in particle-polyelectrolyte systems.

  title={Super-stoichiometric charge neutralization in particle-polyelectrolyte systems.},
  author={J{\"o}rg Kleimann and C{\'e}cile Gehin-Delval and Helmut Auweter and Michal Borkovec},
  journal={Langmuir : the ACS journal of surfaces and colloids},
  volume={21 8},
The adsorption of poly(vinylamine) (PVA) on poly(styrene sulfate) latex particles is studied, and its consequences on the charging behavior and suspension stability are investigated. The adsorption process is assessed by batch depletion experiments and time-resolved electrophoretic mobility measurements. The adsorption of PVA appears to be basically irreversible. The rate of adsorption decreases with decreasing polymer dose. At low polymer dose, the polymer coverage corresponds to the amount of… CONTINUE READING


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