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Towards softer thermo-reversible magnetogels

Title data

Krekhova, Marina ; Lattermann, Günter ; Schmalz, Holger ; Lang, Tobias ; Richter, Reinhard:
Towards softer thermo-reversible magnetogels.
In: Physics Procedia. Vol. 9 (2010) . - pp. 224-228.
ISSN 1875-3892
DOI: https://doi.org/10.1016/j.phpro.2010.11.050

Official URL: Volltext

Abstract in another language

We report on softening strategies for thermo-reversible organoferrogels obtained by physical gelation of ferrofluids with gelators of the SEBS type (polystyrene-block-poly(ethylene-co-butylene)-block-polystyrene triblock copolymers). The first approach investigates a mixture of tri- and diblock copolymers, where the diblock copolymer could act as a plasticizer. The second approach tests triblock copolymers with a longer middle block, in this case the concentration and size of the crosslinking PS micellar cores should be smaller. Rheological, mechanical, magnetic, and morphological properties of these systems were studied and compared with the first generation of physical organoferrogels. Notably with both approaches we achieved a decrease of the softening temperature. Such soft magnetic organogels are important for upcoming actuators due to their easy deformation in magnetic fields.

Further data

Item Type: Article in a journal
Refereed: Yes
Keywords: Block copolymers; Ferrogels; Nanoparticles
Institutions of the University: Faculties
Faculties > Faculty of Mathematics, Physics und Computer Science > Department of Physics > Chair Experimental Physics V > Chair Experimental Physics V - Univ.-Prof. Dr. Ingo Rehberg
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 > Advanced Fields > Nonlinear Dynamics
Faculties > Faculty of Mathematics, Physics und Computer Science
Faculties > Faculty of Mathematics, Physics und Computer Science > Department of Physics
Faculties > Faculty of Mathematics, Physics und Computer Science > Department of Physics > Chair Experimental Physics V
Profile Fields
Profile Fields > Advanced Fields
Result of work at the UBT: Yes
DDC Subjects: 500 Science > 530 Physics
500 Science > 540 Chemistry
Date Deposited: 28 Apr 2015 08:44
Last Modified: 10 Aug 2018 09:49
URI: https://eref.uni-bayreuth.de/id/eprint/11547