Colloid and Polymer Science

, Volume 271, Issue 6, pp 563–572 | Cite as

Small-angle x-ray analysis of latex particles with core-shell morphology

  • R. Grunder
  • G. Urban
  • M. Ballauff
Original Contributions


A small-angle x-ray scattering (SAXS) study of latex particles consisting of a polystyrene (PS) core and a polymethylmethacrylate (PMMA) shell in theq-range 0.037 nm−1q≤1.5 nm−1 (q=(4π/λ) sin (θ/2); θ: scattering angle) is reported. The particle size distributions of the latices have been determined by ultracentrifugation and allow a quantitative comparison of the experimental scattering intensities with theoretical models. The data obtained for the PS/PMMA latex are shown to be consistent with the proposed core-shell morphology. Separate studies of the PS-core-latex demonstrate that the amount of surfactant being adsorbed on the surface of the particles can be monitored directly. All results show that SAXS is well-suited to study the structure of latex particles in great detail.

Key words

Small angle x-ray scattering latex particles core-shell morphology surfactant adsorption colloidal dispersions 


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Copyright information

© Steinkopff-Verlag 1993

Authors and Affiliations

  • R. Grunder
    • 1
  • G. Urban
    • 1
  • M. Ballauff
    • 1
  1. 1.Polymer-InstitutUniversity (T.H.) KarlsruheKarlsruheGermany

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