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Fish DNA-modified clays: towards highly flame retardant polymer nanocomposite with improved interfacial and mechanical performance

Zabihi, Omid, Ahmadi, Mojtaba, Khayyam, Hamid and Naebe, Minoo 2016, Fish DNA-modified clays: towards highly flame retardant polymer nanocomposite with improved interfacial and mechanical performance, Scientific reports, vol. 6, pp. 1-17, doi: 10.1038/srep38194.

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Title Fish DNA-modified clays: towards highly flame retardant polymer nanocomposite with improved interfacial and mechanical performance
Author(s) Zabihi, Omid
Ahmadi, Mojtaba
Khayyam, Hamid
Naebe, Minoo
Journal name Scientific reports
Volume number 6
Article ID 38194
Start page 1
End page 17
Total pages 17
Publisher Nature Publishing Group
Place of publication London, Eng.
Publication date 2016-12-05
ISSN 2045-2322
Keyword(s) nanocomposites
sustainability
Science & Technology
Multidisciplinary Sciences
Science & Technology - Other Topics
EXFOLIATED EPOXY/CLAY NANOCOMPOSITES
TREATED COTTON FABRICS
SILICATE NANOCOMPOSITES
LAPONITE CLAY
MONTMORILLONITE
COMPOSITES
CHEMISTRY
REINFORCEMENT
ORGANOCLAY
RESIN
Summary Deoxyribonucleic Acid (DNA) has been recently found to be an efficient renewable and environmentally-friendly flame retardant. In this work, for the first time, we have used waste DNA from fishing industry to modify clay structure in order to increase the clay interactions with epoxy resin and take benefit of its additional thermal property effect on thermo-physical properties of epoxy-clay nanocomposites. Intercalation of DNA within the clay layers was accomplished in a one-step approach confirmed by FT-IR, XPS, TGA, and XRD analyses, indicating that d-space of clay layers was expanded from ~1.2 nm for pristine clay to ~1.9 nm for clay modified with DNA (d-clay). Compared to epoxy nanocomposite containing 2.5%wt of Nanomer I.28E organoclay (m-clay), it was found that at 2.5%wt d-clay loading, significant enhancements of ~14%, ~6% and ~26% in tensile strength, tensile modulus, and fracture toughness of epoxy nanocomposite can be achieved, respectively. Effect of DNA as clay modifier on thermal performance of epoxy nanocomposite containing 2.5%wt d-clay was evaluated using TGA and cone calorimetry analysis, revealing significant decreases of ~4000 kJ/m2 and ~78 kW/m2 in total heat release and peak of heat release rate, respectively, in comparison to that containing 2.5%wt of m-clay.
Language eng
DOI 10.1038/srep38194
Field of Research 099999 Engineering not elsewhere classified
Socio Economic Objective 0 Not Applicable
HERDC Research category C1 Refereed article in a scholarly journal
Copyright notice ©2016, The Authors
Free to Read? Yes
Use Rights Creative Commons Attribution licence
Persistent URL http://hdl.handle.net/10536/DRO/DU:30093222

Document type: Journal Article
Collections: Institute for Frontier Materials
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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.