Work

Do Spherical Polyelectrolyte Brushes Interdigitate?

Year: 2004

Type: article

Abstract: The structure of spherical micelles of the diblock copolymer poly(styrene-block-acrylic acid) in water was investigated with small angle neutron scattering and contrast matching. We have monitored intermicelle correlation and the extension of the polyelectrolyte chains in the coronal layer through the overlap concentration. Irrespective of ionic strength, the corona shrinks with increasing packing fraction. Furthermore, at high charge and minimal screening conditions, the corona layers interpenetrate once the volume fraction exceeds the critical value 0.53+/-0.02.

Source: Physical Review Letters

DOI: 10.1103/physrevlett.93.177801

Authors: A. V. Korobko, W. Jesse, S. U. Egelhaaf, A. Lapp, J. R. C. van der Maarel

Institutions: Leiden University, University of Edinburgh, Centre National de la Recherche Scientifique, Commissariat à l'Énergie Atomique et aux Énergies Alternatives, Laboratoire Léon Brillouin, National University of Singapore

Language: English

Topic: Electrostatics and Colloid Interactions

Subfield: Physical and Theoretical Chemistry

Field: Chemistry

Domain: Physical Sciences

Open Access status: green

OpenAlex ID: W2033775970

FWCI: 2.243

Cites: 19

Cited by: 30

Related to: 10