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Tailoring shear-stiff, mica-like nanoplatelets

Title data

Möller, Michael W. ; Handge, Ulrich A. ; Kunz, Daniel A. ; Lunkenbein, Thomas ; Altstädt, Volker ; Breu, Josef:
Tailoring shear-stiff, mica-like nanoplatelets.
In: ACS Nano. Vol. 4 (20 January 2010) Issue 2 . - pp. 717-724.
ISSN 1936-086X
DOI: https://doi.org/10.1021/nn9011829

Abstract in another language

This work introduces a novel facile method to produce shear-stiff, mica-like nanoplatelets by efficient exfoliation. The essence of this procedure is the nonreversible alteration of the interlamellar reactivity of a synthetic fluorohectorite by simple cation exchange. The possibility of switching from highly hydrated to collapsed interlayers permits a highly efficient exfoliation in the swollen state while providing shear-stiffness in the collapsed state. This method restricts cation exchange in the mica-like nanoplatelets to the outer surfaces, which represents a significant advantage for use in nanocomposites as compared to conventional organoclays which contain up to 40%/wt of organocations. It is expected that this new type of rigid, shear-stiff, clay-based nanoplatelets will be superior for reinforcement when used in composite materials like polymer layered silicate nanocomposites or artificial nacre.

Further data

Item Type: Article in a journal
Refereed: Yes
Keywords: nanoplatelet; exfoliation; shear-stiff; mica-like; PLSN; layered silicates
Institutions of the University: Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry > Chair Anorganic Chemistry I > Chair Anorganic Chemistry I - Univ.-Prof. Dr. Josef Breu
Research Institutions > Collaborative Research Centers, Research Unit > SFB 840 Von partikulären Nanosystemen zur Mesotechnologie
Research Institutions > Collaborative Research Centers, Research Unit > SFB 840 Von partikulären Nanosystemen zur Mesotechnologie > SFB 840 - TP B 3
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 Anorganic Chemistry I
Research Institutions
Research Institutions > Collaborative Research Centers, Research Unit
Result of work at the UBT: Yes
DDC Subjects: 500 Science
500 Science > 540 Chemistry
Date Deposited: 23 Mar 2018 08:00
Last Modified: 23 Mar 2018 08:00
URI: https://eref.uni-bayreuth.de/id/eprint/9954