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Crystallizing polystyrene microgel colloids

  • A. Stipp
  • C. Sinn
  • T. Palberg
  • I. Weber
  • E. Bartsch
Conference paper
Part of the Progress in Colloid and Polymer Science book series (PROGCOLLOID, volume 115)

Abstract

Spherical microgel particles of sufficiently high degree of internal cross-linking and swollen in a good solvent in many respects behave quite similarly to hard-sphere colloids. Due to solvent uptake they can be refractive-index-matched and density-matched in suitable organic solvents. We present preliminary measurements of the crystallization kinetics of 1:10 cross-linked polystyrene microgel particles. We measured Bragg and small-angle light scattering of the solidifying shear melt. Two different scattering patterns, a set of Debye-Scherrer rings and a second ring pattern at small angles could be observed. We check for similarities and differences compared to previously investigated colloidal systems.

Key words

Colloidal suspensions Microgel particles Hard spheres Crystallization kinetics Light scattering 

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Copyright information

© Springer-Verlag 2000

Authors and Affiliations

  • A. Stipp
    • 1
  • C. Sinn
    • 1
  • T. Palberg
    • 1
  • I. Weber
    • 2
  • E. Bartsch
    • 2
  1. 1.Institut für PhysikJohannes-Gutenberg-UniversitätMainzGermany
  2. 2.Institut für physikalische ChemieJohannes-Gutenberg-UniversitätMainzGermany

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