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AuthorShakoor, Abdul
AuthorUbaid, Fareeha
AuthorShahzad, Khurram
AuthorKahraman, Ramazan
AuthorMontemor, Fatima
AuthorManzoor, Umair
Available date2022-05-23T05:59:57Z
Publication Date2018
Publication NameQatar Foundation Annual Research Conference Proceedings
Resourceqscience
CitationShakoor A et al. (2018). Highly ordered mesoporous silica and halloysite nanotubes loaded with diethylenetriamine DETA for smart anti corrosion coatings. Qatar Foundation Annual Research Conference Proceedings 2018: EEPD359 http://doi.org/10.5339/qfarc.2018.EEPD359.
ISSN2226-9649
URIhttps://doi.org/10.5339/qfarc.2018.EEPD359
URIhttp://hdl.handle.net/10576/31506
AbstractThe development of nanoscience and technology has devoted significant attention to conducting studies on hollow particles. Among the available materials, mesoporous silica nanoparticles have recently gained attention as potential nanocontainers due to their high stability, large surface area, controllable pore diameter and easy surface functionalization as they can store and release organic or inorganic molecules of different sizes and functionalities. The aim of this work is to study the use of mesoporous silica as a potential reservoir for corrosion inhibitor for active corrosion protection of carbon steel and using epoxy encapsulated halloysite nanotubes for the self healing process of the epoxy based coatings. The synthesized mesoporous silica particles were characterized by using XRD, FTIR and SEM. Mesoporous silica particles loaded with diethylenetriamine (DETA) were embedded into the epoxy polymer along with the halloysite nanotubes (HNTs) encapsulated with epoxy monomer and amine immobilized in mesoporous silica with a weight ratio of 5 wt% of mesoporous silica. Kinetics of release of corrosion inhibitor was evaluated by electrochemical impedance (EIS) measurements in 3.5 wt% NaCl solution. The EIS analysis confirms that the release of inhibitor during the corrosion process has significantly improved the anticorrosion properties when compared to the epoxy coated sample without any corrosion inhibitor. The self healing phenomenon in the scratched epoxy coated sample was monitored by SEM during different time intervals. The SEM results showed that that the epoxy pre-polymer was slowly released into the crack.Upon release, the epoxy pre-polymer came into contact with the amine immobilized in mesoporous silica and cross-linked to heal the scratch over the sample surface. This study suggests that these novel coatings may have some potential applications in the oil and gas industry.
Languageen
PublisherHamad bin Khalifa University Press (HBKU Press)
Subjectcorrosion inhibitor
Diethylenetriamine
Electro impedance spectroscopy (EIS)
halloysite nanotubes
Mesoporous silica
TitleHighly ordered mesoporous silica and halloysite nanotubes loaded with diethylenetriamine DETA for smart anti corrosion coatings
TypeConference Paper
Issue Number1
Volume Number2018
dc.accessType Open Access


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