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Mechanical-induced functionalization of graphene with sodium carboxymethyl cellulose toward enhancing anticorrosion performance of waterborne epoxy coatings / Rui Wang in JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH, Vol. 20, N° 6 (11/2023)
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[article]
Titre : Mechanical-induced functionalization of graphene with sodium carboxymethyl cellulose toward enhancing anticorrosion performance of waterborne epoxy coatings Type de document : texte imprimé Auteurs : Rui Wang, Auteur ; Hongling Yi, Auteur Année de publication : 2023 Article en page(s) : p. 2069-2080 Note générale : Bibliogr. Langues : Américain (ame) Catégories : Adsorption
Anticorrosifs
Anticorrosion
Caractérisation
Carboxyméthylcellulose de sodium
Dispersions et suspensions
Epoxydes
GraphèneLe graphène est un cristal bidimensionnel (monoplan) de carbone dont l'empilement constitue le graphite. Il a été isolé en 2004 par Andre Geim, du département de physique de l'université de Manchester, qui a reçu pour cette découverte le prix Nobel de physique en 2010 avec Konstantin Novoselov. Il peut être produit de deux manières : par extraction mécanique du graphite (graphène exfolié) dont la technique a été mise au point en 2004, ou par chauffage d'un cristal de carbure de silicium, qui permet la libération des atomes de silicium (graphène epitaxié). Record en conduction thermique jusqu'à 5300 W.m-1.K-1. C'est aussi un matériaux conducteur.
Revêtements -- Propriétés mécaniques
Revêtements en phase aqueuse
Revêtements organiquesIndex. décimale : 667.9 Revêtements et enduits Résumé : Non-covalent modification of graphene is prepared by sodium carboxymethyl cellulose via ball milling. Adsorption and thermogravimetric analyzer (TG) indicate interaction of graphene with sodium carboxymethyl cellulose. Particle size and zeta potential results show sodium carboxymethyl cellulose with high DS play more role in assisting stabilization of graphene dispersion. The adsorption of sodium carboxymethyl cellulose onto graphene is inhibited under acidic conditions and the dispersion stability deteriorates sharply. Under neutral and alkaline conditions, the dispersions maintain stable. Embedding a small percentage of well-dispersed graphene nanosheets (CGr1.5%) in waterborne epoxy coating has remarkably improved anticorrosion performance, which is attributed to the synergistic effects of barrier properties of well-dispersed graphene nanosheets and CMC in the epoxy matrix. Open circuit potential (OCP), Tafel and electrochemical impedance spectroscopy (EIS) analysis confirmed that the corrosion rate exhibited by composite coatings with 1.5 wt% graphene is lower than that of neat epoxy coating. Note de contenu : - EXPERIMENTAL : Materials - Adsorption measurements - Preparation of CMC-graphene dispersion - Fabrication of coatings - Testing and characterization
- RESULTS AND DISCUSSION : Adsorption isotherm for CMC on graphene with different degree of substitution (DS) - TGA - Particle size distribution - Effect of CMC substitution degree on zeta potential of graphene dispersions - Morphology - Effect of pH on CMC graphene dispersion stability - Coating mechanical properties
- Table 1 : Parameters of adsorption isotherm models of CMC with different DS
- Table 2 : Mechanical properties of CMC-graphene epoxy coatings
Coating corrosion resistance
- Table 3 : Polarization parameters of coatings with different CGr contents in 3.5% NaCl solutionDOI : https://doi.org/10.1007/s11998-023-00802-6 En ligne : https://link.springer.com/content/pdf/10.1007/s11998-023-00802-6.pdf Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=40182
in JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH > Vol. 20, N° 6 (11/2023) . - p. 2069-2080[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 24337 - Périodique Bibliothèque principale Documentaires Disponible
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Titre : Mechanism of anti-corrosive pigments Type de document : texte imprimé Auteurs : P. K. Kamani, Auteur Année de publication : 2016 Article en page(s) : p. 107-113 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Anticorrosifs
Anticorrosion
Chromates
Pigments
Pigments inorganiques
Pigments métalliques
SolubilitéIndex. décimale : 667.2 Colorants et pigments Résumé : Anticorrosive pigments inhibit corrosion process either chemically and/or electrochemically (active Pigments) and/or physically (barrier pigments) and may be divided by the way they work. Anti-corrosive pigments can be divided into three groups : basic, soluble and metallic pigments. Though basic anti corrosive pigments are soluble type but all the soluble pigments are not basic anti corrosive pigments. Based on their mechanism the new less toxic and non toxic anti corrosive pigments are being developed. The inhibitive mechanism of non anti corrosive pigments and extenders is also important to understand from corrosion point of view. Note de contenu : - mechanism of anti-corrosive pigments with tetravalent lead : Red lead - Calcium plumbate - Chromate pigments - Metallic pigments in primers for steel - Non-inhibitive pigments/extenders
- TABLES : 1. The solubility of chromates in water at room temperature - 2. Composition of wash primers - 3. Zn dust concentration versus resistivityEn ligne : https://drive.google.com/file/d/1Ev7V8UXuIkAIkDm8HlKHYYR15YndpvRv/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=26239
in PAINTINDIA > Vol. LXVI, N° 3 (03/2016) . - p. 107-113[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 18060 - Périodique Bibliothèque principale Documentaires Disponible
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Titre : Medicines for a longer life : Microcapsules increase durability of protective finishes Type de document : texte imprimé Auteurs : Gerald O. Wilson, Auteur Année de publication : 2014 Article en page(s) : p. 36-41 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Anticorrosion
Epoxydes
Essais de brouillard salin
Matériaux intelligents
Métaux -- Revêtements protecteurs
Microcapsules
Revêtement autoréparant:Peinture autoréparante
Revêtements -- Additifs:Peinture -- AdditifsIndex. décimale : 667.9 Revêtements et enduits Résumé : Different types of self-healing coatings are described. Microcapsule-based systems have now been cleveloped which contain self-healing and protective agents that can fully heal small-scale damage and prevent undercutting of the coating where larger scale damage is prevent. This effectively entends maintenance cycles on metal structures. Note de contenu : - Examples of non-autonomic healing in materials
- Autonomic healing requires a different approach
- The economic case for self-healing coatings
- Hexavalent chromium : an early self-healing system
- Using self-healing to improve protective coatings
- Self-healing of small-scale cracking demonstrated
- Dealing with coatings damage on larger scales
- Life extension in protective coatings
- Salt spray test confirms self-healing performance
- Broader applications for self-healing are possibleEn ligne : https://drive.google.com/file/d/1R3AzLUnBRY0qemV2vP9Ca48Bx2mJbKtQ/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=21871
in EUROPEAN COATINGS JOURNAL (ECJ) > N° 9 (09/2014) . - p. 36-41[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 16486 - Périodique Bibliothèque principale Documentaires Disponible Meeting the challenges of offshore coating service : methods & materials / Mark B. Dromgool in JOURNAL OF PROTECTIVE COATINGS & LININGS (JPCL), Vol. 34, N° 9 (09/2017)
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Titre : Meeting the challenges of offshore coating service : methods & materials Type de document : texte imprimé Auteurs : Mark B. Dromgool, Auteur Année de publication : 2017 Article en page(s) : p. 48-52 Note générale : Bibliogr. Langues : Américain (ame) Catégories : Abrasion par jet d'eau
Anticorrosion
Structures offshore -- Entretien et réparations
Structures offshore -- Revêtements protecteurs
Surfaces -- Nettoyage
Traîtements de surfaceIndex. décimale : 667.9 Revêtements et enduits Résumé : Due to the risks of hydrocarbon fires or explosions and the fragility of some operating equipment and controls, the surface preparation practices employed widely throughout the coatings industry can oftentimes not be used on offshore structures. Too often this means that less productive and/or less effective surface preparation occurs, which can shorten coating system life spans or adds to the frequency of repainting. This article explores methods and materials that have been adopted by a major Australian offshore oil and gas field operator to reliably clean and prepare surfaces for coating. Note de contenu : Fig. 1 : A UHP deck mower in operation. The mist or steam is about the only release during operation as the equipment has its own vacuum recovery system
Fig. 2 : A sample area on a FPSO deck blasted with a sponge abrasive after UHP waterjetting
Fig. 3 : This shows a zone that has been UHP waterjetted to remove the rust and paint followed by sponge abrasive blasting to SSPC-SP 10 (Sa 2½). Note the small containment used to shroud the sponge-blasting operation and the minor degree of flash rustingEn ligne : http://www.paintsquare.com/archive/?fuseaction=view&articleid=6135 Format de la ressource électronique : Web Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=29500
in JOURNAL OF PROTECTIVE COATINGS & LININGS (JPCL) > Vol. 34, N° 9 (09/2017) . - p. 48-52[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 19228 - Périodique Bibliothèque principale Documentaires Disponible Metal oxide dispersions provide formulation and performance flexibility / Brian Prevo in POLYMERS PAINT COLOUR JOURNAL - PPCJ, Vol. 203, N° 4580 (01/2013)
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Titre : Metal oxide dispersions provide formulation and performance flexibility Type de document : texte imprimé Auteurs : Brian Prevo, Auteur Année de publication : 2013 Article en page(s) : p. 29-31 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Alumine
Anticorrosifs
Anticorrosion
Dispersions et suspensions
Formulation (Génie chimique)
Latex
Matériaux -- Propriétés barrières
Oxydes métalliques
Polyacryliques
Revêtements en phase aqueuse
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.Index. décimale : 667.9 Revêtements et enduits Résumé : The author discusses a proven method for dispersing fumed metal oxides down to individual particles in water for efficient utilisation in polymer latex systems.
Fumed silica and fumed alumina are examples of nanoscale inorganic additives for waterborne (WB) polymer film and coating systems. Fumed metal oxides can often be difficult to work with because they exist mostly as high surface area powdery agglomerates that are not easily separated or dispersed into individual particels. Cabot's Cab-O-Sperse colloidal scale dispersions are available in a range of concentrations, particle sizes, surface charges and different pH ranges for use in a wide variety of applications. Specifically, Cab-O-Sperse fumed metal oxide particle dispersions provide formulationflexibility to waterborne coatings that can help balance wet formulation processing needs with coating optical, mechanical and chemical performance demands. These dispersions provide a convenient waterborne vehicle for nanocomposite materials.Note de contenu : - State of dispersion
- Tunable optical properties : clarity and gloss
- Corrosion resistance and barrier properties
- Table 1 : Waterborne acrylic industrial coating formultaion. Batches were prepared according to the relative amounts listed in the table and silica was incorporated by adding the appropriate amount of Cab-O-Sperse to yield a formulation with the desired final dry solids contentEn ligne : https://drive.google.com/file/d/19YeYZdmt9ksHdynXeic_O3S5Mqvtdcpr/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=36827
in POLYMERS PAINT COLOUR JOURNAL - PPCJ > Vol. 203, N° 4580 (01/2013) . - p. 29-31[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 14550 - Périodique Bibliothèque principale Documentaires Disponible Method for corrosion inhibitor mechanism studies in epoxy coated aluminum / Richard C. MacQueen in JOURNAL OF COATINGS TECHNOLOGY (JCT), Vol. 68, N° 857 (06/1996)
PermalinkA method for preparation and application of micronized ferrite pigments in anticorrosive solvent-based paints / Mahmoud A. Abd El-Ghaffar in JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH, Vol. 7, N° 6 (11/2010)
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PermalinkMéthodes d'essai : Adhérence par cisaillement d'acier revêtu au béton - Norme NF EN 15184 / 2006
PermalinkMetrology for maritime corrosion protection in INTERNATIONAL SURFACE TECHNOLOGY (IST), Vol. 8, N° 3 (2015)
PermalinkMg-rich coatings : A new paradigm for Cr-free corrosion protection of Al aerospace alloys / Michael E. Nanna in JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH, Vol. 1, N° 2 (04/2004)
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PermalinkMica and its anti-corrosive properties in POLYMERS PAINT COLOUR JOURNAL - PPCJ, Vol. 205, N° 4609 (06/2015)
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PermalinkMica/polypyrrole (doped) composite containing coatings for the corrosion protection of cold rolled steel / Niteen Jadhav in JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH, Vol. 15, N° 2 (03/2018)
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PermalinkMicaceous iron oxide : a barrier pigment for anticorrosive paints / Jörg Vogelsang in EUROPEAN COATINGS JOURNAL (ECJ), N° 3/99 (03/1999)
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PermalinkMicro and macro analysis of high build solventless organic coating (accelerated) after cathodic disbondment / Buddhadeb Duari in PAINTINDIA, Vol. LXII, N° 12 (12/2012)
PermalinkMicro-mechanic model for cathodic blister growth in painted steel / T.-J. Chuang in JOURNAL OF COATINGS TECHNOLOGY (JCT), Vol. 71, N° 895 (08/1999)
PermalinkMicrobially influenced corrosion and biodeterioration / Nicholas J. Dowling / Knoxville [USA] : Institute for applied Microbiology (1990)
PermalinkMicrostructure, mechanical properties, and high-temperature oxidation resistance of AlN/SiO2 nanomultilayer coatings / Ming Kong in JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH, Vol. 9, N° 2 (03/2012)
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PermalinkModelling of self-healing materials using discrete and continuum methods / N. Filipovic in SURFACE COATINGS INTERNATIONAL, Vol. 95, 2 (04/2012)
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PermalinkModes and mechanisms for the degradation of fusion-bonded epoxy-coated steel in a marine concrete environment / Tinh Nguyen in JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH, Vol. 1, N° 2 (04/2004)
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PermalinkModification of graphene and graphene oxide and their applications in anticorrosive coatings / Jing Li in JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH, Vol. 18, N° 2 (03/2021)
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