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Electrochemical preparation of poly 3-amino-5-hydroxypyrazole on copper and its corrosion protection efficiency in JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH, Vol. 17, N° 5 (09/2020)
[article]
Titre : Electrochemical preparation of poly 3-amino-5-hydroxypyrazole on copper and its corrosion protection efficiency Type de document : texte imprimé Année de publication : 2020 Note générale : Bibliogr. Langues : Américain (ame) Catégories : Anticorrosifs
Corrosion
Cuivre
Electropolymérisation
Essais accélérés (technologie)
Poly 3-amino-5-hydroxypyrazole
Revêtements organiques
Revêtements protecteurs
Spectroscopie d'impédance électrochimiqueIndex. décimale : 667.9 Revêtements et enduits Résumé : Electrochemical synthesis of poly 3-amino-5-hydroxypyrazole (PAHP) on copper electrode surface was carried out by cyclic voltammetry technique in 0.03 M 3-amino-5-hydroxypyrazole solution containing 0.3 M oxalic acid. The formation of dark brown PAHP on copper surface was characterized by cyclic voltammetry, FTIR and scanning electron microscopy techniques. The corrosion characteristics of copper/PAHP electrode were evaluated by electrochemical methods and electrochemical impedance spectroscopy in 3.5% NaCl solution. The obtained results indicated that PAHP thin film coating was an excellent inhibitor and controlled copper corrosion against corrosive agents in 3.5% NaCl solution. Note de contenu : - Electropolymerization of AHP
- Corrosion tests
- EIS analysisDOI : https://doi.org/10.1007/s11998-020-00345-0 En ligne : https://link.springer.com/content/pdf/10.1007/s11998-020-00345-0.pdf Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=34572
in JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH > Vol. 17, N° 5 (09/2020)[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 22303 - Périodique Bibliothèque principale Documentaires Disponible Electrochemical, spectroscopic and microscopic investigation of PEDOT coated nickel plate from aqueous micellar solutions and its anti-corrosion performances / Z. Aouzal in JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH, Vol. 20, N° 3 (05/2023)
[article]
Titre : Electrochemical, spectroscopic and microscopic investigation of PEDOT coated nickel plate from aqueous micellar solutions and its anti-corrosion performances Type de document : texte imprimé Auteurs : Z. Aouzal, Auteur ; M. Bouabdallaoui, Auteur ; A. El Guerraf, Auteur ; S. Ben Jadi, Auteur ; M. Bazzaoui, Auteur ; R. Wang, Auteur ; E. A. Bazzaoui, Auteur Année de publication : 2023 Article en page(s) : p. 1053-1068 Note générale : Bibliogr. Langues : Américain (ame) Catégories : Analyse spectrale
Anticorrosifs
Anticorrosion
Caractérisation
Electrochimie
Electrode de nickel
Electropolymérisation
Essais de résilience
Microscopie
Poly(3,4-éthylènedioxythiophène)
Revêtements organiquesIndex. décimale : 667.9 Revêtements et enduits Résumé : Poly(3,4-ethylenedioxythiophene) (PEDOT) was electrosynthesized on nickel electrodes from aqueous micellar solutions of sodium dodecylbenzenesulfonate (SDBS) containing sodium saccharin or sodium perchlorate as supporting electrolytes. The choice of the aqueous medium for the preparation of PEDOT is mainly dictated by its relevant interest on the economic and ecological fronts. The electrodeposition of the organic coating was achieved using cyclic voltammetry, chronoamperometry and chronopotentiometry. This latter electrochemical method proved to be the most suited to the preparation of homogeneous and adherent PEDOT films. Elsewhere, the presence of SDBS micelles in the electrolytic medium led to an improvement of the monomer solubility and a notable decrease in its oxidation potential. Furthermore, spectroscopic and microscopic characterization techniques revealed regular and compact nodule-like structure of the coating and proved the increase in its doping rate when increasing the electrosynthesis current density. On the other hand, in order to discuss the potential application of the prepared conducting polymer as protective layer against corrosion, several electrochemical tests were performed, using open circuit potential (OCP) and electrochemical impedance spectroscopy (EIS) methods. OCP curves have shown a slight increase in the potential toward more positive values, while the EIS measurements have given a 90° capacitive line indicating the pure capacitive behavior of the polymeric system and have proven the presence of a fast charge transfer at the metal/polymer and polymer/solution interfaces. Note de contenu : - EXPERIMENTAL : Chemicals - Electrochemical apparatus - Characterization techniques
- RESULTS AND DISCUSSION : Preparation of the polymeric coating - Characterization of PEDOT films - Corrosion testsDOI : https://doi.org/10.1007/s11998-022-00724-9 En ligne : https://link.springer.com/content/pdf/10.1007/s11998-022-00724-9.pdf?pdf=button% [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=39447
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Code-barres Cote Support Localisation Section Disponibilité 24069 - Périodique Bibliothèque principale Documentaires Disponible Electrochemical synthesis of poly(3,4-éthylenedioxythiophene) on stainless steel and its corrosion inhibition performance / Guang Zhu in JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH, Vol. 10, N° 5 (09/2013)
[article]
Titre : Electrochemical synthesis of poly(3,4-éthylenedioxythiophene) on stainless steel and its corrosion inhibition performance Type de document : texte imprimé Auteurs : Guang Zhu, Auteur ; Jian Hou, Auteur ; Hongfei Zhu, Auteur ; Ri Qiu, Auteur ; Jingkun Xu, Auteur Année de publication : 2013 Article en page(s) : p. 659-668 Note générale : Bibliogr. Langues : Américain (ame) Catégories : Acier inoxydable
Anticorrosifs
Electrochimie
Métaux -- Revêtements protecteurs
Poly(3,4-éthylènedioxythiophène)Index. décimale : 667.9 Revêtements et enduits Résumé : Poly(3,4-ethylenedioxythiophene) (PEDOT) coatings have been electrochemically prepared on stainless steel (SS) in acetonitrile and aqueous media, respectively, by the cyclic voltammetry technique. The corrosion behavior of the coated SS was evaluated in 3.5 wt% NaCl solution using anodic polarization and electrochemical impedance spectroscopy, which demonstrate that the polymer coatings are able to mitigate the corrosion of the SS substrate in chloride solution. PEDOT works as the electron exchange medium to passivate the SS underneath and reduce the oxygen on the surface. By comparing the performances, it was clear that PEDOT electrodeposited from an aqueous solution can afford better corrosion inhibition capability. DOI : 10.1007/s11998-013-9482-6 En ligne : https://link.springer.com/content/pdf/10.1007%2Fs11998-013-9482-6.pdf Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=19800
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Code-barres Cote Support Localisation Section Disponibilité 15618 - Périodique Bibliothèque principale Documentaires Disponible 15679 - Périodique Bibliothèque principale Documentaires Disponible L'électrochimie à la sauvegarde du patrimoine culturel métallique / Elodie Guilminot in L'ACTUALITE CHIMIQUE, N° 400-401 (10-11/2015)
[article]
Titre : L'électrochimie à la sauvegarde du patrimoine culturel métallique Type de document : texte imprimé Auteurs : Elodie Guilminot, Auteur Année de publication : 2015 Article en page(s) : p. 102-104 Note générale : Bibliogr. Langues : Français (fre) Catégories : Anticorrosifs
Anticorrosion
Antiquités (objets anciens) -- Conservation et restauration
Chimie en archéologie
Corrosion
Electrochimie
Electrolyse
FerIndex. décimale : 541.37 Electrochimie et magnétochimie Résumé : Cet article présente plusieurs applications de l’électrochimie pour restaurer des objets du patrimoine culturel métallique. Le premier exemple concerne les traitements des objets ferreux dont la corrosion est active à cause de la présence des ions chlorure. Ces ions chlorure sont extraits de l’objet par électrolyse. Les autres traitements électrolytiques pratiqués en conservation-restauration permettent de réduire les produits de corrosion présents à la surface des objets. Le cas des objets en plomb et des objets en argent sont explicités. Note de contenu : - Principe d'un traitement électrochimique : la stabilisation des ferreux par électrolyse
- Autres applications : réduction d'un produit de corrosion
- Développement des techniques innovantesPermalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=24796
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Code-barres Cote Support Localisation Section Disponibilité 17554 - Périodique Bibliothèque principale Documentaires Disponible Electrogalvanization using Zn-graphene oxide composite coatings with enhanced corrosion resistance performance / M. Y. Rekha in JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH, Vol. 18, N° 3 (05/2021)
[article]
Titre : Electrogalvanization using Zn-graphene oxide composite coatings with enhanced corrosion resistance performance Type de document : texte imprimé Auteurs : M. Y. Rekha, Auteur ; Chandan Srivastava, Auteur Année de publication : 2021 Article en page(s) : p. 753-760 Note générale : Bibliogr. Langues : Américain (ame) Catégories : Anticorrosifs
Anticorrosion
Corrosion
Dépôt électrolytique
Galvanisation
Métaux -- Revêtements protecteurs
Oxyde de graphène
ZincIndex. décimale : 667.9 Revêtements et enduits Résumé : Zn-based coatings are extensively used for the protection of steel structures. Efforts toward further enhancement in the corrosion resistance performance of Zn coatings are therefore an area of continued interest. In this work, Zn-graphene oxide (Zn-GO) composite coatings containing different volume fractions of GO were electrodeposited on mild steel substrates using an electrolyte bath with different concentrations of dispersed graphene oxide. The electrodeposition parameters used yielded compact and crack-free morphology for all the coatings. Incorporation of GO led to a refinement of the Zn crystallites in the coating matrix. Potentiodynamic polarization measurements clearly showed that all the Zn-GO composite coatings exhibited higher corrosion resistance performance when compared to the pristine Zn coatings, and further, the corrosion rate decreased with the increase in the volume fraction of the GO in the composite coatings. DOI : https://doi.org/10.1007/s11998-020-00439-9 En ligne : https://link.springer.com/content/pdf/10.1007/s11998-020-00439-9.pdf Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=35927
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