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Solubility and toxic effect of the cuprous thiocyanate antifouling pigment on barnacle larvae / V. F. Vetere in JOURNAL OF COATINGS TECHNOLOGY (JCT), Vol. 69, N° 866 (03/1997)

[article]  inJOURNAL OF COATINGS TECHNOLOGY (JCT) > Vol. 69, N° 866 (03/1997) . - p. 39-45 Titre : Solubility and toxic effect of the cuprous thiocyanate antifouling pigment on barnacle larvae Type de document : texte imprimé Auteurs : V. F. Vetere, Auteur ; M. C. Pérez, Auteur ; M. E. Stupak, Auteur ; Beatriz del Amo, Auteur ; R. Romagnoli, Auteur Année de publication : 1997 Article en page(s) : p. 39-45 Note générale : Bibliogr. Langues : Américain (ame) Catégories : Animaux marins Marines (peinture) -- Toxicologie Revêtements antisalissures:Peinture antisalissures Solubilité Tests de toxicité Thiocyanate de cuivre Index. décimale : 667.9 Revêtements et enduits Résumé : Cuprous oxide is one of the most commonly employed antifouling pigments. However, its red color limits further pigmentation of the paint. On the other hand, cuprous thiocyanate is a white pigment that can be employed when film pigmentation in other colors is required. The purpose of this paper is to study the chemical and biocidal properties of cuprous thiocyanate, in comparison with those of cuprous oxide, with a view of its utilization in paint elaboration. The solubility, oxidability, particle size distribution, and oil absorption of the pigment were determined along with two methods for its preparation. A solubilization mechanism for cuprous thiocyanate is also outlined. Biological tests were carried out in the laboratory in order to evaluate the biocidal properties of cuprous thiocyanate. Lt50 and Lt100 were determined for Balanus amphitrite nauplii and cyprids. White cuprous thiocyanate has, in many ways, similar properties to those of cuprous oxide, although it is less oxidizable and has a greater lethal action than cuprous oxide. Note de contenu : - EXPERIMENTAL : Synthesis of cuprous thiocyanate - Solubility - Oxidability - Particle size distribution - Oil absorption - Biological tests - antifouling paints - RESULTS AND DISCUSSION : synthesis of cuprous thiocyanate - Solubility - Oxidability - Particle size distribution - Oil absorption - Biological tests - antifouling paints Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=18094 [article]

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A radiation-cure primer / Joseph V. Koleske in JOURNAL OF COATINGS TECHNOLOGY (JCT), Vol. 69, N° 866 (03/1997)

[article]  inJOURNAL OF COATINGS TECHNOLOGY (JCT) > Vol. 69, N° 866 (03/1997) . - p. 29-38 Titre : A radiation-cure primer Type de document : texte imprimé Auteurs : Joseph V. Koleske, Auteur Année de publication : 1997 Article en page(s) : p. 29-38 Note générale : Bibliogr. Langues : Américain (ame) Catégories : Acrylates Les monomères acrylates sont un groupe d'esters faisant partie des vinyles, car renfermant une double liaison carbone-carbone et sont utilisés pour former des polyacryliques qui ont de multiples usages. Colles:Adhésifs Epoxydes Photoamorceurs (chimie) Polymères cationiques Polyvinyl éther Radicaux libres (chimie) Rayonnements Réticulation (polymérisation) Revêtements Séchage Vernis Index. décimale : 667.9 Revêtements et enduits Résumé : This article is meant to be a teaching tool which will enable readers to comprehend radiation curing of coatings, inks, and adhesives. In a general sense, only coatings will be discussed, but the information presented will also have applicability to inks and ahesives. The article is not designed for those who have formal training in radiation curing or who are working in the area of radiation, though both types of people should find useful information in it. It is meant to be what the title indicates -it is a primer- a guide that has information in a simplified format for the neophyte who has recently entered this area of for those who wish to mearn about the area for whatever reason they choose. A number of references have been included for those interested in delving further into some of the topics. Note de contenu : - BRIEF HISTORY - WHAT IS RADIATION CURING ? : Light theory - Radiation curing systems (Electron beams - Ultraviolet light)- Photoinitiators - FREE RADICAL GENERATING PHOTOINITIATORS : Polymerization mechanism for acrylates - Cation-generating photoinitiators - Polymerization mechanism for epoxydes - Formulation (Acrylates - Epoxydes and vinyl ethers) - Health hazards - End uses Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=18106 [article]

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Using "high performance two-component waterborne polyurethane" wood coatings / Michael J. Dvorchak in JOURNAL OF COATINGS TECHNOLOGY (JCT), Vol. 69, N° 866 (03/1997)

[article]  inJOURNAL OF COATINGS TECHNOLOGY (JCT) > Vol. 69, N° 866 (03/1997) . - p. 47-52 Titre : Using "high performance two-component waterborne polyurethane" wood coatings Type de document : texte imprimé Auteurs : Michael J. Dvorchak, Auteur Année de publication : 1997 Article en page(s) : p. 47-52 Note générale : Bibliogr. Langues : Américain (ame) Catégories : Bois Bois -- Revêtements Formulation (Génie chimique) Liants Mélanges (chimie) Polyuréthanes Projection de matériaux Revêtements bi-composant Revêtements en phase aqueuse:Peinture en phase aqueuse Taille des particules Index. décimale : 667.9 Revêtements et enduits Résumé : Recent developments in coatings technology have resulted in two-component waterborne polyurethane wood coating formulations which offer the benefits of traditional solvent-borne systems ; however, these 2K WB/PUR systems offer significant reductions over solvent-borne systems in VOCs and HAPs, meeting stringent environmental regulations. In addition, 2K WB/ PUR systems meet specifications for finishes for kitchen cabinets, office, laboratory, and household furniture. This paper looks at the differences between solvent-borne polyurethane systems (2K SOV/PUR) and 2K WB/PUR systems. Also discussed are physical properties, formulation parameters, application techniques, and industrial hygiene issues. Note de contenu : - Chemistry - Chemistry in the solution - Chemistry in the film - Variability in system performance via formulating techniques - mixing and particle size - Batch mixing - Two-component mixing - Electrostatic application of two-component waterborne polyurethanes - Industrial hygiene - Loss of hexamethylene diisocyanate monomer in the paint solution Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=18107 [article]

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Mar resistance of automotive clearcoats : relationship to coating mechanical properties / Jeanne L. Courter in JOURNAL OF COATINGS TECHNOLOGY (JCT), Vol. 69, N° 866 (03/1997)

[article]  inJOURNAL OF COATINGS TECHNOLOGY (JCT) > Vol. 69, N° 866 (03/1997) . - p. 57-63 Titre : Mar resistance of automotive clearcoats : relationship to coating mechanical properties Type de document : texte imprimé Auteurs : Jeanne L. Courter, Auteur Année de publication : 1997 Article en page(s) : p. 57-63 Note générale : Bibliogr. Langues : Américain (ame) Catégories : Automobiles -- Revêtements:Automobiles -- Peinture Nettoyage Résistance à l'abrasion Revêtements -- Propriétés mécaniques:Peinture -- Propriétés mécaniques Vernis Index. décimale : 667.9 Revêtements et enduits Résumé : Literature discussing coating mechanical properties and mar resistance is reviewed. Commercial car washing is the standard environmental source of damage. Most lab tests involve rubbing the coating with an abrasive and measuring the level of damage. The types of deformation that result are elastic, plastic, and fracture. For glassy coatings mar resistance is optimized at an intermediate toughness. The author proposes that optimization occurs due to the minimization of the number of both plastic- and fracture-type scratches. In addition, minimization occurs because the yield stress and toughness are in balance. Elastomeric coatings appear to have a minimum in mar resistance at intermediate crosslink density Note de contenu : - Definition - Customer need - Environmental factors causing marring - Assesing mar resistance - Understanding the marning process - Visual effect of scratches - Relationship of basic mechanical properties to mar resistance - Plastic-type scratches - Elastomeric coating - Glassy coatings - Hypothesis Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=18108 [article]

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Application of conducting polymers in corrosion protection / S. P. Sitaram in JOURNAL OF COATINGS TECHNOLOGY (JCT), Vol. 69, N° 866 (03/1997)

[article]  inJOURNAL OF COATINGS TECHNOLOGY (JCT) > Vol. 69, N° 866 (03/1997) . - p. 65-69 Titre : Application of conducting polymers in corrosion protection Type de document : texte imprimé Auteurs : S. P. Sitaram, Auteur ; James O. Stoffer, Auteur ; T. J. O'Keefe, Auteur Année de publication : 1997 Article en page(s) : p. 65-69 Note générale : Bibliogr. Langues : Américain (ame) Catégories : Anticorrosion Conducteurs organiques Liants Revêtements protecteurs Index. décimale : 667.9 Revêtements et enduits Résumé : The use of oxides, such as chromates, is highly effective in corrosion protection. Scientists are looking at alternative materials to replace environmentally hazardous materials, e.g., chromates. One of the group of materials identified as corrosion inhibiting are intrinsically conducting polymers. This paper focuses on the use of ICPs as a possible corrosion inhibitive substance. This paper also reviews literature on the research of different groups on the use of polyaniline and other conducting polymers as corrosion inhibitors. Intrinsically conducting polymers, especially poly-aniline, are being studied with great interest. Studies indicate that they have the potential of replacing some of the currently available materials. Note de contenu : - CONDUCTING POLYMERS AND CORROSION Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=18109 [article]

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