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JOURNAL OF COATINGS TECHNOLOGY (JCT) . Vol. 66, N° 834Chemical origins of paint performanceMention de date : 07/1994 Paru le : 01/07/1994 |
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Ajouter le résultat dans votre panierChemical origins of paint performance / Ray A. Dickie in JOURNAL OF COATINGS TECHNOLOGY (JCT), Vol. 66, N° 834 (07/1994)
[article]
Titre : Chemical origins of paint performance Type de document : texte imprimé Auteurs : Ray A. Dickie, Auteur Année de publication : 1994 Article en page(s) : p. 29-37 Note générale : Bibliogr. Langues : Américain (ame) Catégories : Durée de vie (Ingénierie)
Essais accélérés (technologie)
Revêtements:Peinture
Tests d'efficacitéIndex. décimale : 667.9 Revêtements et enduits Résumé : The resistance of organic coatings to environmental degradation is usually evaluated in terms of changes in physical properties or appearance. Thus, paint system weatherability is assessed in terms of embrittlement and cracking, loss of adhesion, and loss of gloss, while corrosion protection is assessed in terms of paint blistering, loss of paint adhesion, and pitting or perforation of the substrate. The design and evaluation of accelerated tests are based on correlation of the physical changes induced by the selected test exposure condition with those observed under some standard conditions (e.g., a defined course of natural exposure). Many of the changes in physical properties and appearance that result from environmental degradation have their origins in chemical degradation processes (...) Note de contenu : - THEMES IN COATING SCIENCE
- CHEMICAL PARADIGM FOR STUDY OF PAINT DURABILITY
- EXAMPLES OF THE CHEMICAL PARADIGM
- PROTOCOLS FOR EVALUATION OF COATINGS
- CASE STUDIES, EXPERIMENTAL DESIGN, AND MODEL OF PERFORMANCE : Naturalistic case study - Predictive models of performance - Mechanistic mode of inquiry
- SUMMARYPermalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=18653
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Code-barres Cote Support Localisation Section Disponibilité 003468 - Périodique Bibliothèque principale Documentaires Disponible 003481 - Périodique Bibliothèque principale Documentaires Exclu du prêt A study of water at the organic coating/substrate interface / Tinh Nguyen in JOURNAL OF COATINGS TECHNOLOGY (JCT), Vol. 66, N° 834 (07/1994)
[article]
Titre : A study of water at the organic coating/substrate interface Type de document : texte imprimé Auteurs : Tinh Nguyen, Auteur ; Dale Bentz, Auteur ; Eric Byrd, Auteur Année de publication : 1994 Article en page(s) : p. 39-49 Note générale : Bibliogr. Langues : Américain (ame) Catégories : Chimie des surfaces
Couches minces
Décollement cathodique (revêtement)
Humidité -- Absorption
Revêtements -- Détérioration
Revêtements:PeintureIndex. décimale : 667.9 Revêtements et enduits Résumé : Quantitative information on the water layer at the coating/substrate interface is crucial for understanding and preventing the failure of organic coating systems. A method, based on a two-layered model derived rigorously from internal reflection theory, was developed for determining the amount and thickness of water at the organic coating/substrate interface. The method gives new insight into the processes by which water degrades the coating/substrate bonds. The method requires application of a transparent or opaque organic coating of sufficient thickness on an internal reflection element (IRE), which is used as the substrate. A water chamber is attached to the coated specimen (...) Note de contenu : - THEORETICAL FORMULATION
- EXPERIMENTAL SECTION: FTIR-MIR in situ measurements on coated specimens exposed to water - FTIR-MIR analysis of water on Ge and SiO2-Si substrates - Water uptake in free films of coating
- RESULTS AND DISCUSSION: FTIR-MIR in situ measurements on coated specimens exposed to water
- QUANTITATIVE ANALYSES: FTIR-MIR probing depth in organic coating/substrate sample - Water uptake in the coatings - Thickness and amount of water at the coating/substrate interface - DiscussionPermalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=18654
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Code-barres Cote Support Localisation Section Disponibilité 003468 - Périodique Bibliothèque principale Documentaires Disponible 003481 - Périodique Bibliothèque principale Documentaires Exclu du prêt Evaluating traffic paint degradation using image analysis / B. Pourdeyhimi in JOURNAL OF COATINGS TECHNOLOGY (JCT), Vol. 66, N° 834 (07/1994)
[article]
Titre : Evaluating traffic paint degradation using image analysis Type de document : texte imprimé Auteurs : B. Pourdeyhimi, Auteur ; A. Nayernouri, Auteur Année de publication : 1994 Article en page(s) : p. 51-58 Note générale : Bibliogr. Langues : Américain (ame) Catégories : Couches minces
Marquage routier (peinture)
Résistance à l'abrasion
Revêtements -- Détérioration
Revêtements -- Propriétés mécaniques:Peinture -- Propriétés mécaniques
Signaux et signalisationIndex. décimale : 667.9 Revêtements et enduits Résumé : Currently, there are no objective methods available for evaluating the appearance of coating systems. The American Society for Testing Materials (ASTM) offers pictorial standards that are time-consuming and perhaps inaccurate. This paper examines the feasibility of image analysis in quantifying degradation of the visual appearance of current ASTM pictorial standards used in evaluating traffic paint degradation for abrasion and chipping resistance Note de contenu : - METHODS: Image capture - Image analysis methods: Mean and variance - Area fraction - Co-occurrence statistics - Surface area and normalized relief - Run length - Fractal dimension
- RESULTS AND DISCUSSION: Mean and standard deviation - Area fraction - Co-Occurence - Surface area and relief - Run lenght - Fractal dimensionPermalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=18655
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Code-barres Cote Support Localisation Section Disponibilité 003468 - Périodique Bibliothèque principale Documentaires Disponible 003481 - Périodique Bibliothèque principale Documentaires Exclu du prêt Coping with errors in electrochemical/impedance spectroscopy data from coated metals / W. Stephen Tait in JOURNAL OF COATINGS TECHNOLOGY (JCT), Vol. 66, N° 834 (07/1994)
[article]
Titre : Coping with errors in electrochemical/impedance spectroscopy data from coated metals Type de document : texte imprimé Auteurs : W. Stephen Tait, Auteur Année de publication : 1994 Article en page(s) : p. 59-61 Note générale : Bibliogr. Langues : Américain (ame) Catégories : Anticorrosion
Corrosion
Erreurs de mesure
Mesure
Spectroscopie d'impédance électrochimiqueIndex. décimale : 667.9 Revêtements et enduits Résumé : Variations in electrochemical impedance spectroscopy (EIS) data are largely due to variations in a coating system, and not to equipment measurement errors. The relative statistical error is greatest when the repetition number for each variable is less than five. Sample standard deviation also significantly affects error magnitude when repetition number is less than five. One scheme for coping with statistical error in EIS data is to use both: (1) five or more repetitions per variable, and (2) scattergrams to assess data trends as a function of time. Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=18656
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Code-barres Cote Support Localisation Section Disponibilité 003468 - Périodique Bibliothèque principale Documentaires Disponible 003481 - Périodique Bibliothèque principale Documentaires Exclu du prêt Developments of marine paint formulations based on thiotriazole compounds / Aida B. Tadros in JOURNAL OF COATINGS TECHNOLOGY (JCT), Vol. 66, N° 834 (07/1994)
[article]
Titre : Developments of marine paint formulations based on thiotriazole compounds Type de document : texte imprimé Auteurs : Aida B. Tadros, Auteur Année de publication : 1994 Article en page(s) : p. 63-67 Note générale : Bibliogr. Langues : Américain (ame) Catégories : Anticorrosion
Marines (peinture)
Revêtements -- Additifs:Peinture -- Additifs
Revêtements antisalissures:Peinture antisalissures
TriazolesLes triazoles sont des composés organiques cycliques comportant un cycle à 5 atomes, comportant deux double liaisons et 3 atomes d'azote et donc de formule brute C2H3N3. Elles sont aromatiques et font partie des cycles excédentaires en électrons.
Selon la position des atomes d'azote, on distingue les 1,2,3-triazoles (appelées V-triazoles) et les 1,2,4-triazoles (appelées S-triazoles). (Wikipedia)Index. décimale : 667.9 Revêtements et enduits Résumé : 4-Amino-3-hydrazino-5-thio-1,2,4-triazole (1), its copper complex, and its chlorinated derivatives have been synthesized and tested as antifouling and anticorrosive agents. The tests were carried out through the incorporation of the three compounds in different paint formulations, which were applied to polyvinyl chloride (PVC) and steel substrates. The coated panels were tested in Alexandria's western harbor's water. Some of the prepared paints showed steel protection from marine corrosion after an exposure of approximately one year Note de contenu : - METHODS : Preparation of compounds - Preparation of substrate - Paint formulation - Materials used in paint formulations - Fouling test procedure - Corrosion test procedure
- RESULTS AND DISCUSSIONS : Paint formulation on steel - Paint formulation of PVCPermalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=18678
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Code-barres Cote Support Localisation Section Disponibilité 003468 - Périodique Bibliothèque principale Documentaires Disponible 003481 - Périodique Bibliothèque principale Documentaires Exclu du prêt Lead-based paint and the lead abatement issue in the United States / Edward C. Ferlauto in JOURNAL OF COATINGS TECHNOLOGY (JCT), Vol. 66, N° 834 (07/1994)
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Titre : Lead-based paint and the lead abatement issue in the United States Type de document : texte imprimé Auteurs : Edward C. Ferlauto, Auteur Année de publication : 1994 Article en page(s) : p. 69-74 Note générale : Bibliogr. Langues : Américain (ame) Catégories : Peinture -- Industrie -- Législation -- Etats-Unis
Peinture -- Teneur en plomb
Peinture -- Toxicologie
Revêtements -- Industrie -- Aspect de l'environnement:Peinture -- Industrie -- Aspect de l'environnementIndex. décimale : 667.6 Peintures Résumé : The issue of lead abatement has been related in the media directly to lead-based paint. Although other sources have been greater contributors to high blood lead levels in children according to major studies conducted in recent years, abatement programs seem to concentrate efforts on detection and control of lead used in paint. It defines current problems associated with abatement and the diversity of federal, state, and local regulations. Questions under scturiny by the courts are also reviewed. Although no simple answers have been derived to detect and control lead hazards, government agencies, and professional and industrial organizations are working towards adequate definition and control of the problem. This is being accomplished by focusing on standards, specifications, guidelines, methods of analysis, and accreditation for contractors, inspectors, and laboratories needed to correct hazardous conditions. Note de contenu : - THE LEAD PROBLEM : Historical background
- STATUS OF LEGISLATION AND SUPPORT FOR LEAD ABATEMENT ISSUE ON A NATIONAL LEVEL
- LEGISLATION BY THE STATES : Massachusetts - Minnesota - California - New Jersey - Illinois - Maryland
- LEGAL CASES/COURT RULINGS
- INDUSTRIAL AND PROFESSIONAL ORGANIZATIONSPermalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=18682
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