| Titre : |
Cohesive and adhesive interactions of polymeric coatings |
| Type de document : |
texte imprimé |
| Auteurs : |
Thadeus Schauer, Auteur ; Markus Berger, Auteur ; Claus D. Eisenbach, Auteur |
| Année de publication : |
2001 |
| Article en page(s) : |
p. 76-80 |
| Note générale : |
Bibliogr. |
| Langues : |
Anglais (eng) |
| Index. décimale : |
667.9 Revêtements et enduits |
| Résumé : |
Thermal stimulated depolarization current (TSDC) was applied to examine the cohesive and adhesive interactions of polymeric coatings. With this method it was found that the curing of the two-pack alkyd melamine, epoxy and polyurethane coatings as well as the interactions with pigments, fillers and metallic substrates can be evaluated from changes in the a relaxation or shifts in the glass transition temperature. Together with complimentary tests, the measurements showed that the preferential adsorption of a hardener on the metal substrate is an important factor, which can decisively influence the adhesion of coatings. |
| Note de contenu : |
- EXPERIMENTAL : Specimens and coatings - TSDC - DMTA/DMA - SVET - Blister test - µ-TA
- Hardener content affects AKM and EPO or PUR coatings differently
- Hardener adsorption on pigments/fillers could cause undercuring
- Surface oxidation lowers Tg in the coatings
- Correlation of TSDC with standard methods
- SVET and blister test show correlation of TG decrease with delamination resistance
- µ-TA reveals hardener concentration gradient |
| En ligne : |
https://drive.google.com/file/d/1ZFbBtAPfQeuCcuAnaZ5LfORmbr1aqeIv/view?usp=drive [...] |
| Format de la ressource électronique : |
Pdf |
| Permalink : |
https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=10961 |
in EUROPEAN COATINGS JOURNAL (ECJ) > N° 5/01 (05/2001) . - p. 76-80
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