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Cathodic electrodepostion of epoxy resin system / P. Jayakrishnan in PAINTINDIA, Vol. LI, N° 9 (09/2001)
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Titre : Cathodic electrodepostion of epoxy resin system Type de document : texte imprimé Auteurs : P. Jayakrishnan, Auteur Année de publication : 2001 Article en page(s) : p. 43-48 Note générale : Bibliogr. Langues : Anglais (eng) Tags : 'Etude expérimentale' 'Procédé revêtement' Peinturage 'Dépôt électrophorèse' Cataphorèse 'Peinture anticorrosion' eau' 'Solution aqueuse' Liant 'Epoxyde résine' Préparation Index. décimale : 667.9 Revêtements et enduits Résumé : Electrodeposition of paint has become one of the effective methods of application of coatings. It has several advantages over conventional paint application methods, the most important one being the control of pollution, since water is the main solvent used in the process in place of toxic organic solvents. Both anodic and cathodic processes have been developed, but the latter has clear cut advantages over the former, because, in cathodic process, the substrate dissolution can be avoided, which helps in eliminating the threat of coating discoloration and also the bath instability. Epoxy resins are well known for their corrosion protective properties. In the present work, water soluble epoxy resin is prepared by modifying with amine for getting cathodic systems. The resin, on dissolution in water by adding organic acids, could be cathodically deposited. The studies made with the cathodic epoxy resin with and without pigmentation and also the evaluation of the electrocoating are detailed in this paper. Note de contenu : - Effect of conductivity of the resin solution and deposition characteristics
- Effect of resin concentration
- Effect of applied voltage
- Effect of pH
- Characteristics of electrocoating bath
- Potentiodynamic electrodeposition studies
- Evaluation of the properties of the coatingsPermalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=12458
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