| Titre : |
Colors for the high-performance sector : How plastics processors find the most suitable colorants for high-performance polymers |
| Type de document : |
texte imprimé |
| Auteurs : |
Bernhard Scheffold, Auteur |
| Année de publication : |
2021 |
| Article en page(s) : |
p. 31-33 |
| Langues : |
Anglais (eng) |
| Catégories : |
Colorants
Matières plastiques -- Coloration
Pigments inorganiques
Polymères hautes performances
Résistance thermique
|
| Index. décimale : |
668.4 Plastiques, vinyles |
| Résumé : |
Colored plastics are not just a marketing gimmick, but fulfill important functions with technical components. In particular, they warn of hazards and permit the fast and direct identification of components. However, when coloring such plastic components, the processors are faced with several difficulties. For example, the colorants used must exhibit long-term resistance to high temperatures and must not impair the polymer’s mechanical properties. Therefore, when selecting the colorant, compounders and processors must observe several important points. |
| Note de contenu : |
- Finding the most suitable masterbatch jointly
- Observing reflectance curves and additives
- Organic or inorganic colorants ?
- Colorants stable up to 380°C
- Fig. 1 : For color matching, large DIN A5 test panels (210 x 148 x 4 mm, shot weight about 135 g) are produced on a 200-ton injection molder
- Fig. 2 : A co-rotating twin-screw extruder with coupled strand pelletizer is used for masterbatch production
- Fig. 3 : Individual inscription of colored panels is possible with the digital flat bed printing technology
- Fig. 4 : The customer’s sample is inspected visually in the Color Competence Center, and the feasibility of the requirements investigated
- Fig. 5 : The colorist responsible for color development evaluates the color by means of injection molded sample platelets
- Table 1 : Mohs hardness of different inorganic pigments |
| En ligne : |
https://drive.google.com/file/d/1TezDfTgXMtDa1VR2gcK37m6qCJiU-JPa/view?usp=drive [...] |
| Format de la ressource électronique : |
Pdf |
| Permalink : |
https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=36175 |
in KUNSTSTOFFE INTERNATIONAL > Vol. 111, N° 6 (2021) . - p. 31-33
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