Self-healing epoxy/PDMS/graphene oxide nanocomposites for anti-corrosive applications

• Autorzy: Moorthi Krishna , Saxena Vishesh , Prasanna Sanka R.V. Siva , Rana Sravendra

Identyfikatory

DOI

10.24425/cpe.2022.140816

• Konferencja: The International Chemical Engineering Conference 2021 (ICHEEC): 100 Glorious Years of Chemical Engineering and Technology, September 16–19, 2021
• Języki publikacji: EN

Abstrakty

EN

This study discusses the synthesis, characterization and development of self-healing nanocomposite of amino-terminated PDMS (Polydimethylsiloxane), Epoxy (EPON828 ̧ Diethylenetriamine (DETA)), and Graphene Oxide (GO). GO was prepared using a modified Hummer’s method and was incorporated into the PDMS-Epoxy composite in various ratios (0.1 wt.%, 0.3 wt.%, and 0.5 wt.%) using toluene as the dispersing medium. Fourier Transform Infrared Spectroscopy was used for confirming the presence of the designed/prepared structures, and thermo-mechanical analysis was performed to test the change in glass transition temperature and initiation temperature of self-healing process. The composite resins were coated on mild steel substrates by curing freshly prepared resins over the substrates at elevated temperatures. The corrosion behavior of mild steel in 3.5 wt.% NaCl solution before and after the coatings was studied using Tafel Electrochemical Polarization test. The self-healing properties of the materials were also studied by applying cuts on the material and letting them heal under elevated temperatures, and the results showed that the prepared coating demonstrated an effective corrosion resistance for mild steel for various marine applications

Słowa kluczowe

EN

corrosion; self-healing material; PDMS; graphene oxide; coating

PL

korozja; materiał samoleczący; PDMS; tlenek grafenu; powłoka

• Wydawca: Komitet Inżynierii Chemicznej i Procesowej Polskiej Akademii Nauk
• Czasopismo: Chemical and Process Engineering
• Rocznik: 2022
• Tom: Vol. 43, nr 2
• Strony: 137–--145
• Opis fizyczny: Bibliogr. 20 poz., rys., tab., wykr.

Twórcy

autor

Moorthi Krishna

• University of Petroleum & Energy Studies (UPES), School of Engineering, Energy Acres, Bidholi, Dehradun, 248007, India
• Georgia Institute of Technology, Atlanta, GA, 30332, USA

autor

Saxena Vishesh

• University of Petroleum & Energy Studies (UPES), School of Engineering, Energy Acres, Bidholi, Dehradun, 248007, India
• Zernike Institute for Advanced Materials, University of Groningen, Nijenborgh 4, Groningen AG 9747, The Netherlands

autor

Prasanna Sanka R.V. Siva

• Department of Mechanical Engineering, University Institute of Engineering, Chandigarh University, Mohali, India

autor

Rana Sravendra

• University of Petroleum & Energy Studies (UPES), School of Engineering, Energy Acres, Bidholi, Dehradun, 248007, India

Bibliografia

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