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Anticorrosion properties of modified basalt powder/epoxy resin coating / Manxia Zhang in JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH, Vol. 19, N° 5 (09/2022)
[article]
Titre : Anticorrosion properties of modified basalt powder/epoxy resin coating Type de document : texte imprimé Auteurs : Manxia Zhang, Auteur ; Xinyi Zhao, Auteur ; Hang Jia, Auteur ; Haoran Xing, Auteur ; Hongjing Zhang, Auteur ; Xinyue Wang, Auteur ; Cheng Liu, Auteur Année de publication : 2022 Article en page(s) : p. 1409-1420 Note générale : Bibliogr. Langues : Américain (ame) Catégories : Anticorrosifs
Anticorrosion
Basalte
Caractérisation
Enrobage (technologie)
Epoxydes
Mesure
Poudres
Réaction de couplage
Revêtements -- Propriétés mécaniques
Revêtements organiques
Spectroscopie d'impédance électrochimique
Traîtements de surfaceIndex. décimale : 667.9 Revêtements et enduits Résumé : The epoxy resin coating has been widely used; however, its anticorrosion performance still needs to be improved. Basalt materials have been used as fillers in the field of anticorrosive coatings due to their good corrosion resistance and acid and alkali resistance. In this paper, 3-aminopropyltrimethoxysilane (APTMS) was used as a coupling agent to modify the surface of basalt powder. The modified basalt powder (MBP) was characterized by scanning electron microscope (SEM) and Fourier transform infrared-attenuated total reflectance (FTIR-ATR). The MBP was added to epoxy resin in different proportions as fillers, and the coatings with different MBP contents were prepared by applying the mixture on the metal substrates. The hardness of coatings can be enhanced up to 0.25 GPa with the increase in MBP, and the elastic of coatings increases to the highest of 4.97 GPa for MBP-10/EP. Their water absorption rates after soaking in water for 21 h decreased to 0.75%. Meanwhile, the anticorrosion performance of the coatings on substrates during exposure to 3.5 wt% NaCl solution was investigated by using electrochemical impedance spectroscopy (EIS), and the circuit-fitting of EIS tests was also performed. The corrosion resistance of EP coating has been obviously improved by adding MBP, with the low-frequency impedance value (|Z|0.01Hz) of MBP-10/EP up to 2.43 × 108 Ω·cm2 after being immersed in 3.5 wt% NaCl solution for 15 d, which was 7.8 times higher than that of neat epoxy coating (MBP-0/EP). Note de contenu : - EXPERIMENTAL : Materials - Sample preparation - Measurement and characterization
- RESULTS AND DISCUSSION : Characterization of BP and MBP - Characterization of coatings
- Table 1 : Chemical composition analysis of basalt powder
- Table 2 : Mechanical properties of MBP/EP coatings
- Table 3 : Corrosion voltage and corrosion current density of the coatings immersed in 3.5 wt% NaCl solution for 15 d
- Table 4 : Changes of electrochemical fitting parameters of each coating immersed in 3.5 wt% NaCl solution for 15 dDOI : https://doi.org/10.1007/s11998-022-00615-z En ligne : https://link.springer.com/content/pdf/10.1007/s11998-022-00615-z.pdf Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=38279
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Code-barres Cote Support Localisation Section Disponibilité 23672 - Périodique Bibliothèque principale Documentaires Disponible Anticorrosive behavior study by localized electrochemical techniques of sol–gel coatings loaded with smart nanocontainers / C. Zea in JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH, Vol. 14, N° 4 (07/2017)
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Titre : Anticorrosive behavior study by localized electrochemical techniques of sol–gel coatings loaded with smart nanocontainers Type de document : texte imprimé Auteurs : C. Zea, Auteur ; J. Alcántara, Auteur ; R. Barranco-GarcÃa, Auteur ; J. Simancas, Auteur ; M. Morcillo, Auteur ; D. de La Fuente, Auteur Année de publication : 2017 Article en page(s) : p. 841-850 Note générale : Bibliogr. Langues : Américain (ame) Catégories : Acier L'acier est un alliage métallique utilisé dans les domaines de la construction métallique et de la construction mécanique.
L'acier est constitué d'au moins deux éléments, le fer, très majoritaire, et le carbone, dans des proportions comprises entre 0,02 % et 2 % en masse1.
C'est essentiellement la teneur en carbone qui confère à l'alliage les propriétés du métal qu'on appelle "acier". Il existe d’autres métaux à base de fer qui ne sont pas des aciers comme les fontes et les ferronickels par exemple.
Anticorrosifs
Anticorrosion
Encapsulation
Matériaux intelligents
Matériaux mésoporeux
Métaux -- Revêtements protecteurs
Nanoparticules
Pigments
SiliceLa silice est la forme naturelle du dioxyde de silicium (SiO2) qui entre dans la composition de nombreux minéraux.
La silice existe à l'état libre sous différentes formes cristallines ou amorphes et à l'état combiné dans les silicates, les groupes SiO2 étant alors liés à d'autres atomes (Al : Aluminium, Fe : Fer, Mg : Magnésium, Ca : Calcium, Na : Sodium, K : Potassium...).
Les silicates sont les constituants principaux du manteau et de l'écorce terrestre. La silice libre est également très abondante dans la nature, sous forme de quartz, de calcédoine et de terre de diatomée. La silice représente 60,6 % de la masse de la croûte terrestre continentale.
Sol-gel, ProcédéIndex. décimale : 667.9 Revêtements et enduits Résumé : In the present work, sodium phosphomolybdate, an environmentally friendly corrosion inhibitor with good anticorrosive behavior when applied on steel substrates, has been loaded and encapsulated in mesoporous silica nanoparticles without and with a hollow core in order to produce different smart nanocontainers. These nanocontainers have been designed to allow controlled release of the inhibitor in response to an external stimulus, thereby achieving more efficient and more economical use of the active substance. Corrosion activity leads to local changes in pH, and this work considers such changes as a signal of great interest. The nanocontainers respond to a pH of 10 or higher by increasing the release rate of the encapsulated active material. The smart nanocontainers have been incorporated into hybrid organic–inorganic sol–gel coatings and applied on carbon steel substrates. Mechanical defects have been made in the organic coating, reaching through to the metallic substrate, in order to study anticorrosive behavior in the affected area. A characterization study has been carried out at the defects and in their surroundings by means of two different localized electrochemical techniques: Scanning Kelvin Probe and Localized Electrochemical Impedance Spectroscopy. The results have shown significant improvement in the anticorrosive behavior of sol–gel coatings when formulated with smart nanocontainers loaded with sodium phosphomolybdate compared to a reference sol–gel coating. Note de contenu : - Synthesis, loading, and encapsulation of MSN and HMSN
- Incorporation of nanoparticles into sol-gel coatings
- Anticorrosive behavior study by SKP and LEISDOI : 10.1007/s11998-017-9936-3 En ligne : https://link.springer.com/content/pdf/10.1007%2Fs11998-017-9936-3.pdf Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=28926
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Code-barres Cote Support Localisation Section Disponibilité 19194 - Périodique Bibliothèque principale Documentaires Disponible Anticorrosive coatings / Jörg Sander / Hannover [Germany] : Vincentz Network GmbH & Co. (2010)
Titre : Anticorrosive coatings : Fundamentals and new concepts Type de document : texte imprimé Auteurs : Jörg Sander, Auteur ; Lars Kirmaier, Auteur ; Mircea Manea, Auteur ; Dmitry Shchukin, Auteur ; Ekaterina Skorb, Auteur Editeur : Hannover [Germany] : Vincentz Network GmbH & Co. Année de publication : 2010 Collection : European Coatings Tech Files Importance : 215 p. Présentation : ill. Format : 27 cm ISBN/ISSN/EAN : 978-3-86630-911-1 Prix : 129 E Note générale : Index - Bibliogr. Langues : Anglais (eng) Catégories : Anticorrosifs
Anticorrosion
Revêtements:PeintureIndex. décimale : 667.9 Revêtements et enduits Résumé : Metals, in particular steel and aluminium, are among the most important construction materials to be met in everyday life. However, these versatile materials are prone to corrosion, resulting in safety impairments, aesthetic failures, and, on the bottom line, economic damage. A major part of surface engineering of metals therefore is focused on corrosion protection.
Organic coatings have been used on any substrate for design purposes as well as to preserve the outward appearance. When applied to metals, corrosion protection becomes their most important technical feature. Though, in this respect, the primary effect of a coating is to for a physical barrier, there is no simple rule of "the thicker, the better". Effective corrosion protection provided by an organic coating requires proper preparation of the substrate surface, expert formulation of treatment and coating chemicals and appropriate application processes, as well as adaptation to different uses and service environments.
A lot of literature has been published on single aspect of corrosion protective coatings. However, corrosion protection by organic coatings is a truly cross-functional issue. Whereas, to the lead author's opinion, a unified approach to this taks is lacking that highlights the role of all disciplines involved in the creation and use of corrosion protection coatings for metals.
The intention of this book is to provide this missing synopsis. It features an up-to-date picture of the quality and chemistry of a substrate surface, its proper preparation by conversion treatment, the function of resins and anticorrosive pigments in paints, and novel concepts for corrosion protection. It is addressed to all parties involved in metal surface and coatings engineering, both the supplier and the user, both the experts as well as the student in any of the single disciplines. It is intended to contribute to a better understanding of the mutual roles and responsibilities in corrosion protective organic coatings, and pave the way to a more durable and sustainable preservation of our valuables and resources.Note de contenu : - Surface preparation
- Organic coating materials
- Film formation
- Mechanism of protection and properties of organic coatings
- Testing of organic coatings
- Chemical conversion treatment
- Organic coatings for maintenance
- New corrosion protection concepts
- Standards and guidelinesPermalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=16675 Réservation
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Code-barres Cote Support Localisation Section Disponibilité 14370 667.9 SAN Monographie Bibliothèque principale Documentaires Disponible Anticorrosive coatings / P. A. Sorensen in JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH, Vol. 6, N° 2 (06/2009)
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Titre : Anticorrosive coatings : a review Type de document : texte imprimé Auteurs : P. A. Sorensen, Auteur ; Claus Erik Weinell, Auteur ; Kim Dam-Johansen, Auteur ; Søren Kiil, Auteur Année de publication : 2009 Article en page(s) : p. 135-176 Note générale : Bibliogr. Langues : Américain (ame) Catégories : Anticorrosifs
Anticorrosion
Liants
PigmentsIndex. décimale : 667.9 Revêtements et enduits Résumé : The main objective of this review is to describe some of the important topics related to the use of marine and protective coatings for anticorrosive purposes. In this context, "protective" refers to coatings for containers, offshore constructions, wind turbines, storage tanks, bridges, rail cars, and petrochemical plants while "marine" refers to coatings for ballast tanks, cargo holds and cargo tanks, decks, and engine rooms on ships. The review aims at providing a thorough picture of state-of-the-art in anticorrosive coatings systems. International and national legislation aiming at reducing the emission of volatile organic compounds (VOCs) have caused significant changes in the anticorrosive coating industry. The requirement for new VOC-compliant coating technologies means that coating manufacturers can no longer rely on the extensive track record of their time-served products to convince consumers of their suitability for use. An important aspect in the development of new VOC-compliant, high-performance anticorrosive coating systems is a thorough knowledge of the components in anticorrosive coatings, their interactions, their advantages and limitations, as well as a detailed knowledge on the failure modes of anticorrosive coatings. This review, which mainly deals with European experience and practice, includes a description of the different environments an anticorrosive coating system may encounter during service. In addition, examples of test methods and standards for determination of the performance and durability of anticorrosive coatings have been included. The different types of anticorrosive coatings are presented, and the most widely applied generic types of binders and pigments in anticorrosive coatings are listed and described. Furthermore, the protective mechanisms of barrier, sacrificial, and inhibitive coatings are outlined. In the past decades, several alternatives to organic solvent-borne coatings have reached the commercial market. This review also presents some of these technologies and discusses some of their advantages and limitations. Finally, some of the mechanisms leading to degradation and failure of organic coating systems are described, and the reported types of adhesion loss are discussed. DOI : 10.1007/s11998-008-9144-2 En ligne : https://link.springer.com/content/pdf/10.1007%2Fs11998-008-9144-2.pdf Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=5602
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Code-barres Cote Support Localisation Section Disponibilité 011361 - Périodique Bibliothèque principale Documentaires Disponible Anticorrosive epoxy/clay nanocomposite coatings : rheological and protective properties / Milos D. Tomic in JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH, Vol. 13, N° 3 (05/2016)
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Titre : Anticorrosive epoxy/clay nanocomposite coatings : rheological and protective properties Type de document : texte imprimé Auteurs : Milos D. Tomic, Auteur ; Branko Dunjic, Auteur ; Jelena B. Bajat, Auteur ; Violeta Likic, Auteur ; Jelena Rogan, Auteur ; Jasna Djonlagic, Auteur Année de publication : 2016 Article en page(s) : p. 439-456 Note générale : Bibliogr. Langues : Américain (ame) Catégories : Anticorrosifs
Anticorrosion
Argile
Cloisite
Dispersions et suspensions
Epoxydes
Nanoparticules
RhéologieIndex. décimale : 667.9 Revêtements et enduits Résumé : The preparation of epoxy/clay nanocomposites (NCs) and their insertion into coatings are of great importance since the NCs could enhance the protective performances. In this study, epoxy NCs with 1–10 wt% of nanoclay Cloisite 30B (C30B) were prepared by the sonication-assisted solution method. The rheological measurements of epoxy/C30B suspensions revealed non-Newtonian, shear-thinning behavior of the uncured NCs, with an increase in the viscosity, yield stress, and shear modules with increasing organoclay content, while the dispersion effectiveness of C30B decreased. A significant enhancement of the rheological parameters was observed at the second percolation threshold (4.1 vol%) due to the formation of a continuous network of 45-layer-thick tactoids. Although NCs with 1–3 wt% C30B exhibited slightly reduced mechanical and adhesion properties compared with the cured reference epoxy resin, the epoxy primer and topcoat based on NC with 1 wt% C30B generally displayed improved impact resistance and maintained flexibility, pendulum hardness, and good adhesion properties. Two-layer coating systems, i.e., NC-based primers and topcoats, had higher corrosion stability in a salt spray chamber compared to the unmodified system. Note de contenu : - EXPERIMENTAL : Materials - Epoxy NCs preparation - Application of epoxy Ncs on steel substrates - Epoxy coatings preparation - Application of epoxy coatings on steel substrates - Sample characterization
- RESULTS AND DISCUSSION : Free swelling and rheological properties of the C30B/thinner dispersion - Rheological properties of the uncured epoxy Ncs - Structural characterization of cured epoxy Ncs - Adhesive and mechanical properties of epoxy NCs - Adhesive and mechanical properties of NC-based primer and topcoat - Anticorrosive properties of epoxy coatingsDOI : 10.1007/s11998-015-9762-4 En ligne : https://link.springer.com/content/pdf/10.1007%2Fs11998-015-9762-4.pdf Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=26285
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Code-barres Cote Support Localisation Section Disponibilité 18071 - Périodique Bibliothèque principale Documentaires Disponible Anticorrosive properties of a superhydrophobic coating based on an ORMOSIL enhanced with MCM-41-HDTMS nanoparticles for metals protection / Erik Uc-Fernández in JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH, Vol. 20, N° 1 (01/2023)
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PermalinkLe bois, les façades, le métal / Association Française des Techniciens des Peintures, Vernis, Encres et Adhésifs / Paris : AFTPVA (2005)
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