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Electrosprayed PLGA smart containers for active anti-corrosion coating on magnesium alloy Amlite

Chen, Jing-Yu, Chen, Xiao-Bo, Li, Jing-Liang, Tang, Bin, Birbilis, Nick and Wang, Xungai 2014, Electrosprayed PLGA smart containers for active anti-corrosion coating on magnesium alloy Amlite, Journal of materials chemistry A, vol. 2, no. 16, pp. 5738-5743.

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Title Electrosprayed PLGA smart containers for active anti-corrosion coating on magnesium alloy Amlite
Author(s) Chen, Jing-Yu
Chen, Xiao-Bo
Li, Jing-Liang
Tang, Bin
Birbilis, Nick
Wang, Xungai
Journal name Journal of materials chemistry A
Volume number 2
Issue number 16
Start page 5738
End page 5743
Total pages 6
Publisher Royal Society of Chemistry
Place of publication London, Eng.
Publication date 2014
ISSN 2050-7496
Summary A novel self-healing system, consisting of poly(lactic-co-glycolic) acid (PLGA) porous particles loaded with a corrosion inhibitor, i.e. benzotriazole (BTA), has been successfully achieved via direct electro-spray deposition and subsequent epoxy spraying upon magnesium (Mg) alloy AMlite. The two-step process greatly simplified the multi-step fabrication of smart coatings reported previously. The PLGA particles demonstrate rapid response to both water and pH increase incurred by corrosion of Mg, ensuring instant and ongoing release of BTA to self-heal the protective functionality and retard further corrosion. Furthermore, nanopores in the PLGA–BTA microparticles, formed by the fast evaporation of dichloromethane during the electrospray process, also contribute to the fast release of BTA. Using Mg alloy AMlite as a model substrate which requires corrosion protection, potentiodynamic polarisation characterisation and scratch testing were adopted to reveal the anti-corrosion capability of the active coating.
Language eng
Field of Research 039999 Chemical Sciences not elsewhere classified
Socio Economic Objective 970103 Expanding Knowledge in the Chemical Sciences
HERDC Research category C1 Refereed article in a scholarly journal
Copyright notice ©2014, Royal Society of Chemistry
Persistent URL http://hdl.handle.net/10536/DRO/DU:30064315

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.