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Transparent uv-shielding films from organic small molecule-intercalated layered double hydroxide nanoplatelets/polymer composite

Zhao, Yan, Yang, Weidong, Xue, Yuhua, Wang, Xungai and Lin, Tong 2010, Transparent uv-shielding films from organic small molecule-intercalated layered double hydroxide nanoplatelets/polymer composite, in Chemeca 2010 : Proceedings of the 40th Australasian Chemical Engineering Conference, Engineers Australia, [Barton, ACT], pp. 587-596.

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Title Transparent uv-shielding films from organic small molecule-intercalated layered double hydroxide nanoplatelets/polymer composite
Author(s) Zhao, Yan
Yang, Weidong
Xue, Yuhua
Wang, Xungai
Lin, Tong
Conference name Australasian Chemical Engineering Conference (40th : 2010 : Adelaide, South Australia)
Conference location Adelaide, S. A.
Conference dates 26-29 Sep. 2010
Title of proceedings Chemeca 2010 : Proceedings of the 40th Australasian Chemical Engineering Conference
Editor(s) Biggs, Mark
Publication date 2010
Conference series Australasian Chemical Engineering Conference
Start page 587
End page 596
Total pages 10
Publisher Engineers Australia
Place of publication [Barton, ACT]
Summary In this study, layered double hydroxide (LDH) with nitrate as the interlayer anion has been partially exfoliated in dimethyl sulfoxide (DMSO). Atomic force microscopy (AFM) images showed that both the lateral size and the thickness of the LDH nanoplatelets were decreased after DMSO treatment. Formation of transparent LDH suspension in DMSO was observed. Taking this advantage, we have prepared transparent LDH/ethylene-vinyl alcohol copolymer (EVOH) nanocomposite films using DMSO as the processing solvent. Organic small molecules, UV absorbers, were intercalated into the LDH interlayers to incorporate the UV-shielding property into the transparent composite films. The thermal stability of UV absorbers was considerably improved after intercalation, which was attributed to the electrostatic interaction between the guest UV absorbers and the host LDH layers. The prepared composite films were flexible and exhibited excellent UV-shielding capability, but had transmittance as high as 90% in the visible region. The effect of LDH filler on thermal and mechanical properties of the composite films was also examined.
ISBN 9780858259713
Language eng
Field of Research 091202 Composite and Hybrid Materials
Socio Economic Objective 860607 Plastic Products (incl. Construction Materials)
HERDC Research category E1 Full written paper - refereed
HERDC collection year 2010
Persistent URL http://hdl.handle.net/10536/DRO/DU:30032709

Document type: Conference Paper
Collection: Centre for Material and Fibre Innovation
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