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POLYMERS PAINT COLOUR JOURNAL - PPCJ . Vol. 192, N° 4459New materials for extenders and fillersMention de date : 12/2002 Paru le : 01/12/2002 |
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Ajouter le résultat dans votre panierA natural gem / David Sutton in POLYMERS PAINT COLOUR JOURNAL - PPCJ, Vol. 192, N° 4459 (12/2002)
[article]
Titre : A natural gem Type de document : texte imprimé Auteurs : David Sutton, Auteur ; James Garside, Auteur Année de publication : 2002 Article en page(s) : p. 11-12 Langues : Anglais (eng) Catégories : Bleu (couleur)
Pigments à effets spéciauxIndex. décimale : 667.9 Revêtements et enduits Résumé : The author describe how blue pigment specialist, Holliday Pigments, uses colour management technology to define, communicate and manage colour.
Ultramarine blue (UMB) pigments have been produced at the Holliday Pigments site in Hull since 1884 and, with its sister operation in France, it supplies over 50% by volume and 70% by value of all the UMB pigments used in the world. The only natural source of this material is lapis lazuli which is a gemstone formed metamorphosed limestone. Often contaminated with iron pyrites, it became known as blue gold. First mined in Afghanistan over 6000 years ago, it is believed to have been introduced to Europe in Marco Polo. The blue crystal, lazulite, is a valued pigment when ground to a fine powder and was used in oil paints by artists who appreciated the brightness and vibrancy of the colour. For the industrial use, lazulite is produced synthetically by a process developd in France at the start of the 19th century. Because UMB pigment counters yellowing, it originally gained popularity as a whitening aid in laundry and was even used as an additive to sugar. Now the pigments are used mainly in paints, inks, artist materials, cosmetics and plastics. It occupies a special position in the colour spectrum and by chemical alteration, is can also be modified to produce shades of violet and pink.Note de contenu : - Blue chemistry
- Advantage in paint formulation
- Colour control
- A quality journey
- Widespread bluesPermalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=27891
in POLYMERS PAINT COLOUR JOURNAL - PPCJ > Vol. 192, N° 4459 (12/2002) . - p. 11-12[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 000318 - Périodique Bibliothèque principale Documentaires Disponible Keeping corrosion at bay / Peter A. Ciullo in POLYMERS PAINT COLOUR JOURNAL - PPCJ, Vol. 192, N° 4459 (12/2002)
[article]
Titre : Keeping corrosion at bay Type de document : texte imprimé Auteurs : Peter A. Ciullo, Auteur ; Janis Anderson, Auteur ; Sara Robinson, Auteur Année de publication : 2002 Article en page(s) : p. 14-16 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Anticorrosifs
Anticorrosion
Charges (matériaux)
Epoxydes
Essais accélérés (technologie)
Essais de brouillard salin
Formulation (Génie chimique)
Mélanges-maîtres (chimie)
PolyamidesUn polyamide est un polymère contenant des fonctions amides -C(=O)-NH- résultant d'une réaction de polycondensation entre les fonctions acide carboxylique et amine.
Selon la composition de leur chaîne squelettique, les polyamides sont classés en aliphatiques, semi-aromatiques et aromatiques. Selon le type d'unités répétitives, les polyamides peuvent être des homopolymères ou des copolymères.
Primaire (revêtement)
Revêtements bi-composant:Peinture bi-composant
WollastoniteLa wollastonite est une espèce minérale du groupe des silicates sous-groupe des inosilicates de la famille des pyroxénoïdes de formule CaSiO3 avec des traces : Al;Fe;Mn;Mg;Na;K;H2O;S.Index. décimale : 667.9 Revêtements et enduits Résumé : As legislation prompts the removal of lead-based corrosion inhibitors the author explain why wollastonite can function as an effective supplement. Note de contenu : - Corrosion control
- FIGURE : acicularity of 6+ hegman powder grade wollastoniste
- TABLES : 1. 2K Epoxy/Polyamide primer formulation. 2. Salt spray, corrosion at scribe, 2000 hours. 3. Salt spray, 60° gloss, 2000 hoursPermalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=27892
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Code-barres Cote Support Localisation Section Disponibilité 000318 - Périodique Bibliothèque principale Documentaires Disponible Investing in analysis / Howard Beedle in POLYMERS PAINT COLOUR JOURNAL - PPCJ, Vol. 192, N° 4459 (12/2002)
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Titre : Investing in analysis Type de document : texte imprimé Auteurs : Howard Beedle, Auteur Année de publication : 2002 Article en page(s) : p. 17-18 Langues : Anglais (eng) Catégories : Charges (matériaux)
Granulométrie
Mesure -- Instruments
Poudres
Taille des particulesIndex. décimale : 667.9 Revêtements et enduits Résumé : Particle size is often a critical parameter in the performance of fillers. The author shows how investment in equipment has improved productivity.
To ensure the highest quality of powders such as functional fillers and extenders an accurate and reliable measurement of particle size distribution is important. Viation Industries, the UK's largest manufacturer and processor of barium sulphate functional fillers and extenders, uses a Malvern Instruments Mastersizer 2000 to analyse the particle size distribution of all its products. This has enabled the company to manufacture and measure super fine powders that previously were not commercially available. Viaton's Airwhite range is manufactured either from high whiteness, low silica, high purity natural barium sulphate or from chemically precipitated materials. Airwhite 4C, for example, is an ultrafine high-purity coated white baryted extender that is used in printing inks and surface coatings. Its maximum particle size (DV97; the boundary diameter below which 97% by volume is found) is typically 4.5 µm, but a critical parameter is also the DV50 (the boundary diameter below which 50% by volume is found), because this determines the level of gloss.Note de contenu : - Laser diffraction
- Constant operation
- Continuing investment
- FIGURES : 1. Typical particle size distribution report of Airwhite 4C barytes - 2. Analysis report for airjet milled sample of Airwhite AW4CPermalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=27929
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Code-barres Cote Support Localisation Section Disponibilité 000318 - Périodique Bibliothèque principale Documentaires Disponible
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Code-barres | Cote | Support | Localisation | Section | Disponibilité |
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000318 | - | Périodique | Bibliothèque principale | Documentaires | Disponible |