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POLYMERS PAINT COLOUR JOURNAL - PPCJ . Vol. 210, N° 4665Cashew to curing agentMention de date : 11/2020 Paru le : 17/11/2020 |
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Ajouter le résultat dans votre panierVolcanic glass shards for matting the smoothest of wood clear coats / Emmanuelle Giraud in POLYMERS PAINT COLOUR JOURNAL - PPCJ, Vol. 210, N° 4665 (11/2020)
[article]
Titre : Volcanic glass shards for matting the smoothest of wood clear coats Type de document : texte imprimé Auteurs : Emmanuelle Giraud, Auteur Année de publication : 2020 Article en page(s) : p. 40-41 Langues : Anglais (eng) Catégories : Agent mattant
Bois -- Revêtements protecteurs
Bois -- Vernis
Formulation (Génie chimique)
Perlite (roche)
Transparence (optique)Index. décimale : 667.9 Revêtements et enduits Résumé : The author discusses the benefits of using perlite in wood clear coats.
Matting in wood clear coats is generally achieved with aggregated synthetic silica. Due to highly porous cluster of particles of synthetic silica, in which the cluster diameter is typically 5-10µm, these materials provide matting at very low dosage. Matting efficiency of silica mainly depends on the particle volume concentration. A higher concentration increases the micro-roughness of the surface, leading to greater matting.
Perlite is an amorphous volcanic rock, which is formed by the rapid cooling of siliceous magma or lava. Perlite ore is a hydrated natural glass, containing typically about 72-75% of SiO2. The hydration occurs from absorption of near-surface water into the glass, resulting in 2-5% of bonded water within its structure. When heated rapidly to its softening temperature (approximately 900°C) the water molecules trapped in the rock evaporate and expand the particles from five to 30 times to their original volume. These expanded particles are actually groups of small rounded, light and insulating glass particles. Ground and milled perlite particels offer several different properties in paint and coatings, most notably : inertness ; hardness and matting.Note de contenu : - Formulations
- Matting and transparency principles
- Testing methods
- Fig. 1 : Scanning electron microscope picture of expanded milled perlite
- Fig. 2 : Transparency and matting at different concentrations of Clear Lite 6
- Fig. 3 : Transparency of Clear Lite 6 compared to synthetic coated silice
- Table 1 : Clear coat formulations
- Table 2 : Binder extension with ClearLite 6En ligne : https://drive.google.com/file/d/1Pnfas0apeu6YTIxOFeIhGgEvr2Xd2ego/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=34830
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Code-barres Cote Support Localisation Section Disponibilité 22368 - Périodique Bibliothèque principale Documentaires Disponible Maximum sustainability : a new approach to paint recycling / Huzaifa Matawala in POLYMERS PAINT COLOUR JOURNAL - PPCJ, Vol. 210, N° 4665 (11/2020)
[article]
Titre : Maximum sustainability : a new approach to paint recycling Type de document : texte imprimé Auteurs : Huzaifa Matawala, Auteur Année de publication : 2020 Article en page(s) : p. 54-57 Langues : Anglais (eng) Catégories : Epoxydes
Liants
Peinture -- Recyclage
PolyacryliquesIndex. décimale : 667.9 Revêtements et enduits Résumé : The authors describes his process for recycling key ingredients in paint, such as resins, to avoid unnecessary waste and maximise sustainability in the industry. Note de contenu : - Pattented products, research and processes
- Water based paint : Binders in paints - Acrylic polymers (resins)
- Solvent-based paints : Alkyd polymers (resins) - Epoxy polymers (resins
- THE PAINT FOUNDATION : How did you gest involved with paint recycling - What purposes can these recycled paints be used for ? - Can you tell us about your recycling process, the materials you are extracting and how you dot it ? - What are some of the challenges you face ? - What do you see as the future of paint reycycling ?En ligne : https://drive.google.com/file/d/1vcUoCbkMD9ziotqa9UvAGDZphd_NHdVr/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=34831
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Code-barres Cote Support Localisation Section Disponibilité 22368 - Périodique Bibliothèque principale Documentaires Disponible A guide to gloss / Jason Loehr in POLYMERS PAINT COLOUR JOURNAL - PPCJ, Vol. 210, N° 4665 (11/2020)
[article]
Titre : A guide to gloss Type de document : texte imprimé Auteurs : Jason Loehr, Auteur Année de publication : 2020 Article en page(s) : p. 32-33 Langues : Anglais (eng) Catégories : Brillance (optique) Index. décimale : 667.9 Revêtements et enduits Résumé : The author discusses how to choose the right colour management technology if accounting for gloss is critical to your business.
There are many physical factors that influence the way we see the colour of objects, one of which is gloss. When light strikes an object, most of the light enters the object, except for a small amount that is reflected off the object's surface. This reflected light is responsible for the shiny or bright appearance of an object, otherwise known as gloss. Whether or not an object will have a glossy or a matte appearance correlates for the way light is reflected to our eyes. Specular reflection, or a glossy appearance, occurs when there is a mirror-like reflection of light off a smooth surface. When looking at a rougher, more irregular surface, the specular reflection becomes diffuse. This diffuse reflection (or matte appearance) occurs when the light is reflected back at many angles, rather than one mirror-like angle.Note de contenu : - Why gloss compensation matters to your business and how it works
- How to choose the right technology : exploring the advantages and disadvantages
- Fig. 1 : Specular reflection
- Fig. 2 : Diffuse reflectionEn ligne : https://drive.google.com/file/d/15luL9fFyTfPH8WKkjIOxwaXZPMaLzC3Q/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=34832
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Code-barres Cote Support Localisation Section Disponibilité 22368 - Périodique Bibliothèque principale Documentaires Disponible Mass balance for mass change / Anna Berggren in POLYMERS PAINT COLOUR JOURNAL - PPCJ, Vol. 210, N° 4665 (11/2020)
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Titre : Mass balance for mass change Type de document : texte imprimé Auteurs : Anna Berggren, Auteur Année de publication : 2020 Article en page(s) : p. 58-59 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Bilan massique Un bilan massique établit la relation entre l'entrée et la sortie, c'est à dire le bilan d'une substance donnée dans un système défini, par exemple dans un lac, une rivière, qui prend en compte la formation ou la décomposition de cette substance dans le système.
Industries chimiques -- Aspect de l'environnementIndex. décimale : 660.28 Usine chimique Résumé : The author explains the different ways of calculating mass balance and why it is important that the chemical industry addresses fears of 'greenwashing'. Note de contenu : - Phasing out fossil raw materials
- Increasing interest drives changesEn ligne : https://drive.google.com/file/d/1YpZhiTEO0Fi6gXFkhxXEyVgP_4y7Gx6_/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=34833
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Code-barres Cote Support Localisation Section Disponibilité 22368 - Périodique Bibliothèque principale Documentaires Disponible