| Titre : |
Co-extrusion with thermal control : Combining polymers with very different processing temperatures |
| Type de document : |
texte imprimé |
| Auteurs : |
Georg Burmann, Auteur ; Patrick Weiss, Auteur |
| Année de publication : |
2019 |
| Article en page(s) : |
p. 98-101 |
| Langues : |
Anglais (eng) |
| Catégories : |
Composites polymères
Filières d'extrusion circulaire
Matières plastiques -- Extrusion
Structures multicouches
Traitement thermique
Tubes
|
| Index. décimale : |
668.4 Plastiques, vinyles |
| Résumé : |
New polymer composites for the production of multi-layer small tubes are being developed to give products specific functions. With suitable co-extrusion dies and a thermal barrier option, even complex layer composites with melt temperature differences of more than 50 °C can be processed reliably and in high quality. |
| Note de contenu : |
- Circular distributor dies avoid flow lines
- Demands on co-extrusion dies
- Suitable for complex materials combinations
- Simulating thermal behavior in the die
- A die for less complex materials combinations
- Principle of circular distribution
- Fig. 1 : The circular distribution principle : A circular distributor and the simulation of radial circumferential distribution after pre-distribution of the melt
- Fig. 2 : 5-layer fuel line Tube cross-section and detailed view
- Fig. 3 : CV-t 5-layer co-extrusion die in part-sectional view ; the colored areas represent the five materials to be processed, i.e., their distribution. The numbers indicate the individual layer modules within the die
- Fig. 4 : Simulation of the thermal condition within the CV-T die duringproduction of a 5-layer fuel line |
| En ligne : |
https://drive.google.com/file/d/15cLGzZRbNieUu_wA4GFIDro4RFPp4Oup/view?usp=drive [...] |
| Format de la ressource électronique : |
Pdf |
| Permalink : |
https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=33174 |
in KUNSTSTOFFE INTERNATIONAL > Vol. 109, N° 9 (09/2019) . - p. 98-101
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