Details

Autor(en) / Beteiligte

• Garcia-Cabezon, C.
• Salvo-Comino, C.
• Garcia-Hernandez, C.
• Rodriguez-Mendez, M.L.
• Martin-Pedrosa, F.

Titel

Nanocomposites of conductive polymers and nanoparticles deposited on porous material as a strategy to improve its corrosion resistance

Ist Teil von

• Surface & coatings technology, 2020-12, Vol.403, p.126395, Article 126395

Ort / Verlag

Lausanne: Elsevier B.V

Erscheinungsjahr

2020

Quelle

Alma/SFX Local Collection

Beschreibungen/Notizen

• A strategy for the corrosion protection of porous materials using conductive polymers and nanocomposites of polymers and nanoparticle is presented. Several conductive polymers, various dopants and different electropolymerization conditions are studied to select the films with the highest corrosion resistance on porous and non-porous materials. It is found that nanocomposite films prepared from two different methods i.e., the co-generation of Au nanoparticles and the dispersion of TiO2 nanoparticles inside the selected polymer coating give rise to an excellent corrosion resistance. Coated porous samples have the most noble corrosion potentials, the lowest stable passive current densities and the highest polarization resistances. •Coatings electrodeposited from various conductive polymers, dopants and techniques•Au and TiO2 nanoparticles increase the effectiveness of the corrosion protection.•Electrochemical corrosion behaviour in acid solution with chlorides is studied.•Improved corrosion resistance is found for porous samples.•Corrosion protection of nanocomposites is higher in porous substrates.