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Partial exfoliation of layered double hydroxides in DMSO : a route to transparent polymer nanocomposites

Zhao, Yan, Yang, Weidong, Xue, Yuhua, Wang, Xungai and Lin, Tong 2011, Partial exfoliation of layered double hydroxides in DMSO : a route to transparent polymer nanocomposites, Journal of materials chemistry, vol. 21, no. 13, pp. 4869-4874.

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Title Partial exfoliation of layered double hydroxides in DMSO : a route to transparent polymer nanocomposites
Author(s) Zhao, Yan
Yang, Weidong
Xue, Yuhua
Wang, Xungai
Lin, Tong
Journal name Journal of materials chemistry
Volume number 21
Issue number 13
Start page 4869
End page 4874
Total pages 6
Publisher Royal Society of Chemistry
Place of publication Cambridge, England
Publication date 2011
ISSN 0959-9428
1364-5501
Summary Layered double hydroxides (LDHs), either having nitrate counter anions or intercalated with organic molecules, have been for the first time partially exfoliated in dimethyl sulfoxide (DMSO) to form a transparent suspension. Atomic force microscopy (AFM) images showed that both the lateral size and the thickness of the LDH nanoplatelets were decreased after the exfoliation. The organic-LDHs maintained their intercalation characteristics, i.e. the thermal stability improvement of the incorporated organic anions, after the exfoliation in DMSO. Transparent ethylene-vinyl alcohol copolymer (EVOH) nanocomposite films containing partially exfoliated LDHs intercalated with UV absorbers were prepared using DMSO as the processing solvent. As the first reported example of a highly transparent LDH/polymer composite, the obtained composite film had a visible light transmittance of 90% (comparable to that of the pure matrix), was flexible and exhibited an excellent UV-shielding capability and thermal stability.
Language eng
Field of Research 091205 Functional Materials
Socio Economic Objective 860606 Plastics in Primary Forms
HERDC Research category C1 Refereed article in a scholarly journal
ERA Research output type C Journal article
Copyright notice ©2011, The Royal Society of Chemistry
Persistent URL http://hdl.handle.net/10536/DRO/DU:30033556

Document type: Journal Article
Collections: Centre for Material and Fibre Innovation
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Every reasonable effort has been made to ensure that permission has been obtained for items included in DRO. If you believe that your rights have been infringed by this repository, please contact drosupport@deakin.edu.au.