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URN to cite this document: urn:nbn:de:bvb:703-epub-4780-3
Title data
Rosenfeldt, Sabine ; Lüdel, Frank ; Schulreich, Christoph ; Hellweg, Thomas ; Radulescu, Aurel ; Schmelz, Joachim ; Schmalz, Holger ; Harnau, Ludger:
Patchy worm-like micelles: solution structure studied by small-angle neutron scattering.
In: Physical Chemistry Chemical Physics.
Vol. 14
(2012)
Issue 37
.
- pp. 12750-12756.
ISSN 1463-9076
DOI der Verlagsversion: https://doi.org/10.1039/c2cp41231d
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Project information
| Project financing: |
Deutsche Forschungsgemeinschaft Julich Center of Neutron Scattering (JCNS, Germany) |
|---|
Abstract
Triblock terpolymers exhibit a rich self-organization behavior including the formation of fascinating cylindrical core-shell structures with a phase separated corona. After crystallization-induced self-assembly of polystyrene-block-polyethylene-block-poly(methyl methacrylate) triblock terpolymers (abbreviated as SEMs = Styrene-Ethylene-Methacrylates) from solution, worm-like core-shell micelles with a patchy corona of polystyrene and poly(methyl methacrylate) were observed by transmission electron microscopy. However, the solution structure is still a matter of debate. Here, we present a method to distinguish in situ between a Janus-type (two faced) and a patchy (multiple compartments) configuration of the corona. To discriminate between both models the scattering intensity must be determined mainly by one corona compartment. Contrast variation in small-angle neutron scattering enables us to focus on one compartment of the worm-like micelles. The results validate the existence of the patchy structure also in solution.
Further data
| Item Type: | Article in a journal |
|---|---|
| Additional notes (visible to public): | ISI:000308101100008 |
| Keywords: | Single Lamella Nanoparticles; Block-CoPolymers; Janus Particles; Core Micelles;
Polymer; Polyethylene; Brushes; Complex; Blends; Corona |
| DDC Subjects: | 500 Science > 530 Physics 500 Science > 540 Chemistry |
| Institutions of the University: | Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry > Chair Macromolecular Chemistry II > Chair Macromolecular Chemistry II - Univ.-Prof. Dr. Andreas Greiner Profile Fields > Advanced Fields > Polymer and Colloid Science Faculties Faculties > Faculty of Biology, Chemistry and Earth Sciences Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry > Chair Macromolecular Chemistry II Profile Fields Profile Fields > Advanced Fields |
| Language: | English |
| Originates at UBT: | Yes |
| URN: | urn:nbn:de:bvb:703-epub-4780-3 |
| Date Deposited: | 01 Sep 2020 10:08 |
| Last Modified: | 01 Sep 2020 10:08 |
| URI: | https://epub.uni-bayreuth.de/id/eprint/4780 |
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