http://www.cnr.it/ontology/cnr/individuo/prodotto/ID173624
Study of the compounding process parameters for morphology control of LDPE/layered silicate nanocomposites (Articolo in rivista)
- Type
- Label
- Study of the compounding process parameters for morphology control of LDPE/layered silicate nanocomposites (Articolo in rivista) (literal)
- Anno
- 2009-01-01T00:00:00+01:00 (literal)
- Alternative label
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- Coiai S.; Scatto M.; Bertoldo M.; Conzatti L.; Andreotti L.; Sterner M.; Passaglia E.; Costa G.; Ciardelli F. (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#altreInformazioni
- Special issue: 18th Italian Meeting on Science and Technology of Macromolecules (Catania, Italy, 16-20 September, 2007) (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
- http://www.e-polymers.org/journal/abstract.cfm?abstract_Id=3385 (literal)
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- ISI Web of Science (WOS) (literal)
- Scopu (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
- Coiai S., Scatto M., Andreotti L.; Sterner M. - Centro Italiano Packaging-Mestre(VE); Bertoldo M., Ciardelli F. - Università di Pisa, Polylab-INFM-CNR; Conzatti L., Costa G. - ISMAC-CNR Genova; Passaglia E. - ICCOM-CNR Pisa (literal)
- Titolo
- Study of the compounding process parameters for morphology control of LDPE/layered silicate nanocomposites (literal)
- Abstract
- A careful insight into melt compounding procedure is proposed in order to achieve a better understanding and control of the dispersion and orientation mechanisms of organo-clay platelets into LDPE nanocomposites. The method involved is the preparation of a maleic anhydride grafted polyethylene master-batch containing 10 wt% organo-clay via twin-screw extrusion. A substantial nano-dispersion and orientation of clay platelets was obtained as observed by X-ray diffraction (XRD) and transmission electron microscopy (TEM) analyses. Moreover, the nanocomposites prepared by diluting the master-batch through the blend mixing with additional LDPE preserved or improved the exfoliation and lamellae orientation. Finally, the thermo-gravimetric analysis (TGA) showed a significant improvement of the thermal stability while both differential scanning calorimetry (DSC) and XRD evidenced a slight increase of the LDPE crystallinity degree with respect to neat polymer matrices thus suggesting the occurrence of orientation also for the polymer. (literal)
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