[article]
| Titre : |
Cutting the gordian knot : A start-up and five partners from industry and research are developing a steamless process chain for energy-efficient processing and in-situ functionalization of particle foams |
| Type de document : |
texte imprimé |
| Auteurs : |
Clemens Doriat, Auteur |
| Année de publication : |
2017 |
| Article en page(s) : |
p. 17-20 |
| Langues : |
Anglais (eng) |
| Catégories : |
Economies d'énergie
Matériaux -- Allègement
Matières plastiques dans les automobiles
Mousses plastiques
Polystyrène
|
| Index. décimale : |
668.4 Plastiques, vinyles |
| Résumé : |
Particle foam processing - Up to now, the prevailing opinion has been that processing of Styrofoam and similarly cellular materials requires complex processes involving steam. Two engineers have now come up with a dry solution that slashes energy consumption. Not only that, but the duo have also devised a production-ready lightweight engineering approach, namely on how foams can offer new application perspectives the automotive industry is desperately looking for. |
| Note de contenu : |
- 98 percent air wrapped in a plastic cellular structure
- Initial skepticism overcome
- Pouring out front, snowing out back
- Dynamic tempering via a narrow-meshed runner network
- Lightweight engineering in its purest form
- Embossed, reinforced and decorated
- Foam on wheels ?
- FIGURES : 1. Steamless-manufactured EPS demonstrator ("Filli Future") with micro-precision surface texturing, PS film decoration on the rear, and gently molded-in-functional unit with neodynium magnets, LED array, control board and inductive charging coil - 2. Up to now, steam has been used for prefoaming of EPS microbeads and fusion othe foamed beads (center, same mass) to yield the EPS molded part - 3. Production-ready lightweight engineering with particle foams and Sandwich panels produced in a dynamic variothermal foam mold - 4. Half-timbered structure" in SEM : Compared to standard EPS prefoamed with steam, foam beads generated on the basis of radiation absorption have a finer cell structure at the same density, which leads to greater stiffness and better insulation properties - 5. Plastic model of a 3D-printed variothermal mold. The branched runner network of the surface tempering system is shown in blue. This enables the cavity surface to be heated or cooled down to the process temperature within seconds - 6. Natural decorative materials can be back-foamed just as readily without steam as high-strength sandwich structures made from PP-GF laminates (here : with a mille logo and EPP hybrid foam core) - 7. Tunnel oven for continuous radiation-induced pre-foaming of expandable microbeads in the pilot plant of Neue Materialien Bayreuth |
| En ligne : |
https://drive.google.com/file/d/14GCrPXQtYroLv02WsYjCTTf8bOqisjdl/view?usp=drive [...] |
| Format de la ressource électronique : |
Pdf |
| Permalink : |
https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=28266 |
in KUNSTSTOFFE INTERNATIONAL > Vol. 107, N° 3 (03/2017) . - p. 17-20
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Cutting the gordian knot in KUNSTSTOFFE INTERNATIONAL, Vol. 107, N° 3 (03/2017)
