| Titre : |
Tracking down the causes : Phenomenon of reversible discoloration of plastic components explained (Part 2) |
| Type de document : |
texte imprimé |
| Auteurs : |
Lydia Schulz-Sluka, Auteur ; Udo Gayer, Auteur |
| Année de publication : |
2016 |
| Article en page(s) : |
p. 127-129 |
| Langues : |
Anglais (eng) |
| Catégories : |
Décoloration
Essais (technologie)
Matières plastiques -- Détérioration
Mousses plastiques -- Détérioration
Polyuréthanes
Revêtements -- Détérioration:Peinture -- Détérioration
|
| Index. décimale : |
668.4 Plastiques, vinyles |
| Résumé : |
Discoloration - In a joint project, automotive manufacturers, suppliers, and testing institutes set out to explain the reversible discoloration of plastics, paints, and polyurethane foams. A test developed in this project, which simply and reliably detects the potential for dark-time discoloration, could be helpful in incoming goods inspection and production monitoring. |
| Note de contenu : |
- Checking the existing test
- Detection using in-house test
- TABLE : Discoloration with phenolic antioxidants : results of the GC-MS analyses (chloroform extract)
- FIGURES : 1. Iron oxide (rust powder) influences oxidative aging of PU foam during foam production : brown foam with iron oxide (polymer degradation; and white foam without iron oxide after aging for 24h at 90°C under humid conditions - 2. Control fabric as per the DIN EN ISO 105-X18 test : original, after exposure to dayight for 1 day, repeat test on a strip after revresal of discoloration, after treatment with 1% ascorbic acid on aluminum foil - 3. Paint discoloration due to the influence of ascorbic acid - 4. Demonstration of ascorbic acid as a suitable redox-active substance for the conversion of light stabilizers and antioxidants into the stable quinone and ketone forms |
| En ligne : |
https://drive.google.com/file/d/1-lSv2WHCbmB0An5OUdvwO_8L4bnkLno7/view?usp=drive [...] |
| Format de la ressource électronique : |
Pdf |
| Permalink : |
https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=28056 |
in KUNSTSTOFFE INTERNATIONAL > Vol. 106, N° 9 (09/2016) . - p. 127-129
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Tracking down the causes in KUNSTSTOFFE INTERNATIONAL, Vol. 106, N° 9 (09/2016)
