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EnglishTwo different alumina powders were dispersed in low-density polyethylene (LDPE) to evaluate if any role can be ascribed to the crystalline phase, size and morphology of the alumina filler. In particular a submicrometric α-alumina and a nanocrystalline transition (γ/δ) alumina were added to the polymer at 5 wt% concentration, using a Brabender mixing unit. Both the neat inorganic fillers showed a good dispersibility in the polyolefin. The thermal and mechanical properties of the composites obtained were evaluated. As expected, a significant increase of the stiffness and abrasion resistance of LDPE was achieved in both cases. Furthermore, the composites showed a higher thermo-oxidative stability with respect to neat LDPE. Independent of their crystalline phase, size and morphology, both fillers gave a similar enhancement of composite features.
Effect of various alumina nano-fillers on the thermal and mechanical behaviour of low-density polyethylene-Al2O3 composites / MALUCELLI G; PALMERO P; RONCHETTI S; DELMASTRO A; MONTANARO L.. - In: POLYMER INTERNATIONAL. - ISSN 0959-8103. - STAMPA. - 59:8(2010), pp. 1084-1089. [10.1002/pi.2832]
| Titolo: | Effect of various alumina nano-fillers on the thermal and mechanical behaviour of low-density polyethylene-Al2O3 composites | |
| Autori: | ||
| Data di pubblicazione: | 2010 | |
| Rivista: | ||
| Digital Object Identifier (DOI): | http://dx.doi.org/10.1002/pi.2832 | |
| Appare nelle tipologie: | 1.1 Articolo in rivista |
File in questo prodotto:
| File | Descrizione | Tipologia | Licenza | |
|---|---|---|---|---|
| PolInt.pdf | 2. Post-print / Author's Accepted Manuscript | Non Pubblico - Accesso privato/ristretto | Administrator Richiedi una copia |
http://hdl.handle.net/11583/2294470
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