| Titre : |
Study on the bleeding mechanism of slip agents in a polypropylene film using molecular dynamics |
| Type de document : |
texte imprimé |
| Auteurs : |
M. Wakabayashi, Auteur ; T. Kohno, Auteur ; Y. Tanaka, Auteur ; T. Kanai, Auteur |
| Année de publication : |
2009 |
| Article en page(s) : |
p. 133-139 |
| Note générale : |
Bibliogr. |
| Langues : |
Anglais (eng) |
| Index. décimale : |
668.9 Polymères |
| Résumé : |
The bleeding (internal transport) process of additives in a polypropylene film under atmospheric pressure was investigated. The experimental results were explained more precisely by a new model assuming the two-step transport between the amorphous and crystalline regions. The diffusion coefficient of a higher fatty acid such as behenic acid (docosanoic acid) in isotactic polypropylene film and that of higher fatty acid amides such as erucamaide (13-cis-docosenamide) in ethylene copolymerized polypropylene film were determined at 40 and 50°C respectively. The difference between the diffusion coefficients of three slip agents in a polypropylene film at 50°C was explained using a molecular dynamics simulation in which self-association of the slip agent molecules by hydrogen bonding was considered. |
| DOI : |
10.3139/217.2211 |
| En ligne : |
https://drive.google.com/file/d/1RZPsdVQkeV95NXETZ-zOvrQZ3L1hfGV9/view?usp=drive [...] |
| Format de la ressource électronique : |
Pdf |
| Permalink : |
https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=5244 |
in INTERNATIONAL POLYMER PROCESSING > Vol. XXIV, N° 2 (05/2009) . - p. 133-139
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