Sureshkumar, Markanday and Filippi, Sara and Polacco, Giovanni and Kazatchkov, Igor and Stastna, Jiri and Zanzotto, Ludovit (2010) Internal structure and linear viscoelastic properties of EVA/asphalt nanocomposites. European Polymer Journal, 46/201 (4). pp. 621-633. ISSN 0014-3057
Abstract
The effect of the addition of two different organoclays as a third component in polymer modified asphalts has been investigated. Ternary mixtures were prepared by adding clay and poly(ethylene-co-vinylacetate) to the asphalt, either separately, or in the form of a premixed master batch. The performed characterizations allowed the determination of how the two methods of mixing influence the interactions between asphalt and polymer and therefore the final rheological properties. In particular, it was shown that the clay had a compatibilizing effect on asphalt and polymer and that a high compatibility between clay and polymer led to a better dispersion of the polymer in the asphalt, thus influencing the final rheological properties of the studied systems.
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