Characterization of magnetite nanoparticle / polymer nanocomposite materials in gel and dry state

Campanella, A.; Papadakis, C. M.; Frielinghaus, H.; Muller-Buschbaum, P.; Raftopoulos, K. N.; Appavou, M. S.; Holderer, O.; Staropoli, Mariapaola

doi:10.1109/NANO.2016.7751499

Contribution to a conference proceedings/Contribution to a book

FZJ-2016-07125

Characterization of magnetite nanoparticle / polymer nanocomposite materials in gel and dry state

Campanella, A.FZJ* ; Holderer, O.FZJ* ; Raftopoulos, K. N. ; Papadakis, C. M. ; Staropoli, M.FZJ* ; Appavou, M. S.FZJ* ; Muller-Buschbaum, P. ; Frielinghaus, H. (Corresponding author)FZJ*

2016
IEEE

[Proceedings] - IEEE, 2016. - ISBN 978-1-5090-1493-4
2016 IEEE 16th International Conference on Nanotechnology (IEEE-NANO), Sendai, Japan, 22 Aug 2016 - 25 Aug 2016 IEEE 446-447 (2016) [10.1109/NANO.2016.7751499]

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Please use a persistent id in citations: http://hdl.handle.net/2128/13144 doi:10.1109/NANO.2016.7751499

Abstract: We present the characterization of nanocomposite materials made from functionalized magnetite nanoparticles and HEUR amphiphilic polymers in the gel and dry states. The hydrophobically modified particles are mainly associated with the two hydrophobic end-groups of the polymer. One part of this study focuses on the polymeric state and dynamics, that are governed by the polymeric network through amphiphilic interactions forming a gel in the wet stateand microphase separated system in the dry state. Apart from the network, the particles seem to be well distributed at concentrations below 1%wt, while strong clustering is observed at higher concentrations. The magnetic response of the dry nanocomposite shows super-paramagnetic behavior with a blocking temperature of ca. 25K.

Keyword(s): Polymers, Soft Nano Particles and Proteins (1st) ; Soft Condensed Matter (2nd) ; Magnetism (2nd)

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