| Titre : |
Curing kinetic of epoxy oligomers in the presence of polyaniline |
| Type de document : |
texte imprimé |
| Auteurs : |
V. Kurbatov, Auteur ; Eugene A. Indeikin, Auteur |
| Année de publication : |
2017 |
| Article en page(s) : |
p. 36-38 |
| Note générale : |
Bibliogr. |
| Langues : |
Anglais (eng) |
| Catégories : |
Cinétique chimique
Eméraldine
Epoxydes
Oligomères
Polyaniline
Polymérisation
|
| Index. décimale : |
667.9 Revêtements et enduits |
| Résumé : |
The influence of polyaniline forms on the rate and depth of curing of epoxy oligomers was determined. It is established that the use of the emeraldine form of polyaniline as a modifying agent of an amine hardener leads to the acceleration of the curing process, unlike the pernigraniline form. Studying the changes of the electronic absorption spectrum of the modified amine hardener shows the transition of the emeraldine form of polyaniline in the pernigraniline form over time. |
| Note de contenu : |
- Fig. 1. The reversible inversion of different forms of PANi
- Fig. 2. Absorption spectra MPMDA, PANi, MPMDA modified by PANI in the n-methylpyrrolidum-2-on
- Fig. 3. The formation of molecular excitons with charger transfer in the quinoid ring of two adjacent benzene rings
- Fig. 4. Changes in the absorption spectrum of the MPMDA modified by PANi over time. Dwell time PANi modified MPMDA 1hr, 10 days, 25 days, 90 days
- Fig. 5. The absorption spectra of MPMDA modified by PANi after 90 days of exposure, and after introduction of the reducing agent in it - TICI3
- Fig. 6. Initial cure rate - dZ/dt and the dynamic viscosity - vs the content of the emeraldine and pernigraniline form by PANi in the epoxy composition |
| En ligne : |
https://drive.google.com/file/d/1mGgvpvJgrctKqLFtYQyyl80d0cbbbJtt/view?usp=drive [...] |
| Format de la ressource électronique : |
Pdf |
| Permalink : |
https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=29467 |
in POLYMERS PAINT COLOUR JOURNAL - PPCJ > Vol. 207, N° 4636 (11/2017) . - p. 36-38
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