Accueil
Détail de l'auteur
Auteur V. Petry |
Documents disponibles écrits par cet auteur
Ajouter le résultat dans votre panier Affiner la recherche
[article]
Titre : New age matting agents Type de document : texte imprimé Auteurs : V. Petry, Auteur ; T. Fletcher, Auteur ; David J. Kent, Auteur Année de publication : 2003 Article en page(s) : p. 47-68 Note générale : Bibliogr. Langues : Anglais (eng) Résumé : Matting agents are widely used additives to reduce the gloss in a variety of coatings applications. In this article three types of new matting agents are discussed. High pore volume-matting agents for conventional solvent borne lacquers, matting of UV-cured systems and gloss control additives for thermosetting powder coatings. The efficiency of matting agents in conventional solvent borne lacquers depends on factors such as, type of silica, particle size distribution and porosity of particle. Here the influence of high porosity silica gels on matting efficiency and rheology in 2 pack polyurethane, waterborne polyurethane, alkyd, and polyester melamine system, is discussed. Matting efficiency differences and influence on viscosity depends, not only on porosity but also on particle size distribution, organic treatment and on the coatings formulation. Creating matte effects in traditional coatings presents no great technical problems, since adequate film shrinkage results from evaporation of volatile components. It is proposed to discuss the matting of modern coatings, like the emerging market of UV-cured lacquers and thermosetting powder coatings, which undergo minimal or no shrinkage during film formation. The study on UV cured coatings is based on the use of Design of Experiments and 6-Sigma Tools, to investigate the correlation of UV-formulation and lacquer properties, beside the known effects of matting agent on film and lacquer properties. The matting of powder coatings as induced by novel reactive matting agents will be outlined in terms of changes in rheological properties and in terms of changes in surface profile statistics that take place during film formation. Attention to the influence of gloss level on other film properties will be given. Note de contenu : - Conventional solvent borne lacquers
- Matting of alkyd lacquers
- Thixotropic alkyd lacquers
- Polyurethane lacquers
- Waterborne PU customer lacquer for leather coating
- Polyester coil coatings system
- The so-called “high-solids or 100%” systems
- Screening design
- Detailed investigation of monomer influence
- Detailed investigation of oligomer influence on matting
- Matting of powder coatings
- Matting powder coatings
- New matting agents for powder coatingsEn ligne : https://drive.google.com/file/d/1O3kHMKMaTq4puztuoxtp6a2swmCooKsS/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=12072
in PAINTINDIA > Vol. LIII, N° 1 (01/2003) . - p. 47-68[article]Réservation
Réserver ce document
Exemplaires (1)
Code-barres Cote Support Localisation Section Disponibilité 000460 - Périodique Bibliothèque principale Documentaires Disponible The effect of UV-curable formulations and matting agents on lacquer properties / V. Petry in SURFACE COATINGS INTERNATIONAL. PART B : COATINGS TRANSACTIONS, Vol. 87, B2 (06/2004)
[article]
Titre : The effect of UV-curable formulations and matting agents on lacquer properties Type de document : texte imprimé Auteurs : V. Petry, Auteur ; David J. Kent, Auteur Année de publication : 2004 Article en page(s) : p. 103-109 Note générale : Bibliogr. Langues : Anglais (eng) 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.
Agent mattant
Brillance (optique)
Formulation (Génie chimique)
Laque et laquage
Oligomères
Plan d'expérience
Vernis -- Additifs
Vernis -- Séchage sous rayonnement ultravioletIndex. décimale : 667.9 Revêtements et enduits Résumé : Creating a matt effect in a 100% solid UV-cured coating provides the formulator with considerable difficulty due to inadequate film shrinkage. Despite this, good matting is still achievable, although success depends on the formulation components and mode of curing.
This paper discusses the correlation between UV-curing formulations, application performances together with their potential problems, and solutions associated with the use of silica matting agents. It was found that the type of monomer and organic treatment of the matting agent used were the main effects determining matting efficiency and foam.Note de contenu : - Previous studies
- Experimental details : Screenint design - Sample preparation - Detailed investigation of monomer influence - Detailed investigation of oligomer influence on matting
- Table 1 : Properties of used matting agents
- Table 2 : General screening DOE (design of experiment
- Table 3 : Main effects on gloss, curing conditions and foam. Wft : qet film thickness ; MA type : matting agent type (GRACE 1 or 3) ; MA Conc : matting agent concentration ; Tstorage : storage temperature : speed belt : conveyor speed
- Table 4 : Details of monomer investigation
- Table 5 : Significant factors on gloss and foam
- Table 6 : Test formulation
- Table 7 : Selected acrylated oligomers
- Table 8 : Results of oligomer influence investigationDOI : 10.1007/BF02699604 En ligne : https://link.springer.com/content/pdf/10.1007/BF02699604.pdf Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=5470
in SURFACE COATINGS INTERNATIONAL. PART B : COATINGS TRANSACTIONS > Vol. 87, B2 (06/2004) . - p. 103-109[article]Réservation
Réserver ce document
Exemplaires (1)
Code-barres Cote Support Localisation Section Disponibilité 000391 - Périodique Bibliothèque principale Documentaires Disponible