[article]
| Titre : |
Organic or inorganic |
| Type de document : |
texte imprimé |
| Auteurs : |
Roland Valin, Auteur |
| Année de publication : |
2006 |
| Article en page(s) : |
p. 21-22 |
| Langues : |
Anglais (eng) |
| Catégories : |
Pigments inorganiques
Pigments organiques
|
| Index. décimale : |
667.2 Colorants et pigments |
| Résumé : |
It's a dilemma every paint and coatings formulator has faced : the trade-off between organic and inorganic pigments. For strong, bright colour, organic pigments are the best bet but in an application calls for great heat stability, extreme weathering properties and chemical resistance, then inorganic pigments are the only way to go. Unfortunately, the non-colouristic properties of organic pigments are not as good as those of inorganic pigments and inorganic pigments colours tend to be weaker and duller than organic pigments.
Formulators traditionally have been forced to make either/or decisions - either accepting a lower level of performance than optimal or paying more to achieve the desired attributes. This second choice often means paying for properties that are not needed in a particular application. Several years ago Engelhard Corporation scientists took on the cahllenge of creating pigments that combine the best properties of organic and inorganic pigment chemistries and provide better cost efficiency. By applying the company's vast experience and expertise in surface chemistry it created a 'synergistic' approach leading to the creation of Engelhard Synergy pigments.
Introduced in 2003 in the US and just last year in Europe, Synergy pigments already are gaining acceptance in a variety of industrial paint and coating applications. Customers who use the new pigments are achieving the exact colouristic and physical properties they want at costs 20-30% lower than traditional formulations. |
| Permalink : |
https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=27530 |
in POLYMERS PAINT COLOUR JOURNAL - PPCJ > Vol. 196, N° 4502 (07/2006) . - p. 21-22
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