Complexing agent assisted synthesis of high aspect ratio Fe<sup>3<hsp></hsp>+</sup>/Mg<sup>2<hsp></hsp>+</sup> layered double hydroxides: Fid-Bau Portal

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Complexing agent assisted synthesis of high aspect ratio Fe³⁺/Mg²⁺ layered double hydroxides

Schütz, Michael R. / Schedl, Andreas E. / Wagner, Friedrich E. / Breu, Josef

Abstract A new, facile synthesis for Fe³⁺/Mg²⁺ LDHs is developed and investigated. The crucial feature of the synthesis is the usage of a complexing agent (diethylenetriamine, DETA) to increase the solubility of iron phases precipitated intermediately. The influences of different synthesis parameter like DETA concentration, pH value, and temperature are investigated. The optimized synthesis route yields high aspect ratio Fe³⁺/Mg²⁺ LDHs which are expected to be interesting filler materials for flame retardant nanocomposites.

Graphical abstract Display Omitted Highlights ► Direct synthesis of a chloride-form of pyroaurite (Fe³⁺/Mg²⁺ LDH); ► Usage of a complexing agent prevents FeOOH precipitation; ► Synthesis yields high crystallinity and high aspect ratio LDHs.

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Complexing agent assisted synthesis of high aspect ratio Fe³⁺/Mg²⁺ layered double hydroxides

Schütz, Michael R. / Schedl, Andreas E. / Wagner, Friedrich E. / Breu, Josef

Abstract A new, facile synthesis for Fe³⁺/Mg²⁺ LDHs is developed and investigated. The crucial feature of the synthesis is the usage of a complexing agent (diethylenetriamine, DETA) to increase the solubility of iron phases precipitated intermediately. The influences of different synthesis parameter like DETA concentration, pH value, and temperature are investigated. The optimized synthesis route yields high aspect ratio Fe³⁺/Mg²⁺ LDHs which are expected to be interesting filler materials for flame retardant nanocomposites.

Graphical abstract Display Omitted Highlights ► Direct synthesis of a chloride-form of pyroaurite (Fe³⁺/Mg²⁺ LDH); ► Usage of a complexing agent prevents FeOOH precipitation; ► Synthesis yields high crystallinity and high aspect ratio LDHs.

Complexing agent assisted synthesis of high aspect ratio Fe³⁺/Mg²⁺ layered double hydroxides

Schütz, Michael R. / Schedl, Andreas E. / Wagner, Friedrich E. / Breu, Josef

Abstract A new, facile synthesis for Fe³⁺/Mg²⁺ LDHs is developed and investigated. The crucial feature of the synthesis is the usage of a complexing agent (diethylenetriamine, DETA) to increase the solubility of iron phases precipitated intermediately. The influences of different synthesis parameter like DETA concentration, pH value, and temperature are investigated. The optimized synthesis route yields high aspect ratio Fe³⁺/Mg²⁺ LDHs which are expected to be interesting filler materials for flame retardant nanocomposites.

Graphical abstract Display Omitted Highlights ► Direct synthesis of a chloride-form of pyroaurite (Fe³⁺/Mg²⁺ LDH); ► Usage of a complexing agent prevents FeOOH precipitation; ► Synthesis yields high crystallinity and high aspect ratio LDHs.

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Title:

Complexing agent assisted synthesis of high aspect ratio Fe³⁺/Mg²⁺ layered double hydroxides

Contributors:

Schütz, Michael R. (author) / Schedl, Andreas E. (author) / Wagner, Friedrich E. (author) / Breu, Josef (author)

Published in:

Applied Clay Science ; 54 ; 281-286

Publication date:

2011-10-06

Size:

6 pages

ISSN:

DOI:

https://doi.org/10.1016/j.clay.2011.10.004

Type of media:

Article (Journal)

Type of material:

Electronic Resource

Language:

English

Keywords:

LDH , Anionic clay , Pyroaurite , Flame retardancy , Aspect ratio

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