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Alkoxylated monomers / John Braddock in POLYMERS PAINT COLOUR JOURNAL - PPCJ, Vol. 196, N° 4506 (11/2006)

[article]  inPOLYMERS PAINT COLOUR JOURNAL - PPCJ > Vol. 196, N° 4506 (11/2006) . - p. 20-21 Titre : Alkoxylated monomers Type de document : texte imprimé Auteurs : John Braddock, Auteur ; Rolf Wieland, Auteur Année de publication : 2006 Article en page(s) : p. 20-21 Langues : Anglais (eng) Catégories : Alcoxylation Diluants Réactivité (chimie) Réfraction, Indice de Revêtements -- Additifs:Peinture -- Additifs Revêtements -- Séchage sous rayonnement ultraviolet:Peinture -- Séchage sous rayonnement ultraviolet Tension superficielle Traction (mécanique) Transition vitreuse Viscosité Index. décimale : 667.9 Revêtements et enduits Résumé : The range of UV curable reactive diluents (monomers) offered today is almost unmanageable. Formulators who have to provide optimum product performance at the best cost are sometimes overwhelmed by this vast array of choices. Consequently, the manufacturer of reactive diluents is confronted with a multitude of customer inquiries asking how an individual monomer behaves in a particular formulation for example. This paper discusses the perfomance and limitations of reactive diluents based specifically on ethoxylated and propoxylated polyols. Note de contenu : - Process of alkoxydation based on the example of ethoxylation - Differences in liquid state - Differences in cured properties Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=27479 [article]

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Grinding and dispersing / Harry Way in POLYMERS PAINT COLOUR JOURNAL - PPCJ, Vol. 196, N° 4506 (11/2006)

[article]  inPOLYMERS PAINT COLOUR JOURNAL - PPCJ > Vol. 196, N° 4506 (11/2006) . - p. 22-24 Titre : Grinding and dispersing Type de document : texte imprimé Auteurs : Harry Way, Auteur Année de publication : 2006 Article en page(s) : p. 22-24 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Broyeurs à billes Dispersions et suspensions Fragmentation Nanoparticules Pigments Taille des particules Index. décimale : 667.2 Colorants et pigments Résumé : Most pigments used in inks and coatings have a primary particle size of 0.02µm. According to a report released by the National Science and Technology Council (NSTC) 'Nanoscience and Nanotechnology generally refer to the world as it works on the nanometer scale, say from one nanometer to several hundred nanometers'. If we interpret this to mean that a nanoparticle can range in size from one to 700 nanometers, then we can say that most of the components processed on bead mills fall into the area of nanotechnology. Most pigments used in inks and coatings, for example, have a primary particle size from at least 0.02 microns (µm) or 20 nanometers, up to 200 nanometers. For this article, let us assume that the nanoparticles desired are less than 200 nanometers. Our goal then, will be to identify the required operating conditions for a bead mill to grind and disperse particles to that size. Note de contenu : - Particle size control - Current industrial applications - Bead separation parameters - Selecting a bead mill for small media - Examples of bead milling with small media Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=27480 [article]

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Coatings future / Winfried Kreis in POLYMERS PAINT COLOUR JOURNAL - PPCJ, Vol. 196, N° 4506 (11/2006)

[article]  inPOLYMERS PAINT COLOUR JOURNAL - PPCJ > Vol. 196, N° 4506 (11/2006) . - p. 31-34 Titre : Coatings future Type de document : texte imprimé Auteurs : Winfried Kreis, Auteur Année de publication : 2006 Article en page(s) : p. 31-34 Langues : Anglais (eng) Catégories : Automobiles -- Carrosseries Automobiles -- Revêtements:Automobiles -- Peinture Matériaux intelligents Nanoparticules Prévision, Théorie de la Recherche industrielle Technique de la production Index. décimale : 667.9 Revêtements et enduits Résumé : This paper discusses the future of automotive coating within the automotive assembly. Within a relatively 'mature' production concept like that employed in automobile manufacture it will be particularly important for the future automotive coating to establish how the coating process and its requisite infrastructure can be integrated into changing material selection concepts in body construction and production processes on acceptable economic terms. It will be imperative to be able to produce sustainable solutions for controlling a level of complexity that is increasing exponential. Structural design and production concept have to be taken into account and the increasing demands in terms of functional quality for coatings have to be projected in formulations and application techniques. The only road to the future will involve reorientation. In order to quantify its embodiments the present status must be applied as an initial platform for the change efforts in order to evaluate whether it will be feasible to implement innovative approaches economically. Note de contenu : - Body construction - Production concepts - Improving compatibility - Nanomaterials - Feasibility studies - Smart coatings - Coating process analysis Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=27481 [article]

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