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Stimuli-Responsive Bicomponent Polymer Janus Particles by “Grafting from”/“Grafting to” Approaches

Title data

Berger, Sebastian ; Synytska, Alla ; Ionov, Leonid ; Eichhorn, Klaus-Jochen ; Stamm, Manfred:
Stimuli-Responsive Bicomponent Polymer Janus Particles by “Grafting from”/“Grafting to” Approaches.
In: Macromolecules. Vol. 41 (23 December 2008) Issue 24 . - pp. 9669-9676.
ISSN 0024-9297
DOI: https://doi.org/10.1021/ma802089h

Abstract in another language

We report preparation of stimuli-responsive bicomponent polymeric Janus particles and investigation of their switching behavior. The first polymer was immobilized on one side of silica particles using the surface-initiated atom transfer radical polymerization, “grafting from” approach. The second polymer was immobilized using the “grafting to” method by reaction between reactive terminating groups of polymer chains and functional groups on the particle surface. On the example of mixed oppositely charged polyelectrolyte Janus particles decorated with poly(acrylic acid) and poly(2-vinylpyridine) chains, we demonstrate stimuli-responsive aggregation/disaggregation behavior upon pH changes.

Further data

Item Type: Article in a journal
Refereed: Yes
Institutions of the University: Faculties > Faculty of Engineering Science > Professur Biofabrikation > Professur Biofabrikation - Univ.-Prof. Dr. Leonid Ionov
Faculties
Faculties > Faculty of Engineering Science
Faculties > Faculty of Engineering Science > Professur Biofabrikation
Result of work at the UBT: Yes
DDC Subjects: 500 Science > 540 Chemistry
Date Deposited: 22 Jun 2017 14:59
Last Modified: 22 Jun 2017 14:59
URI: https://eref.uni-bayreuth.de/id/eprint/37758