PMMA based nanocomposites filled with modified CaCO3 nanoparticles (Articolo in rivista)

Type
Label
  • PMMA based nanocomposites filled with modified CaCO3 nanoparticles (Articolo in rivista) (literal)
Anno
  • 2007-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1002/masy.200750116 (literal)
Alternative label
  • Avella, M.; Errico, M. E.; Gentile, G. (2007)
    PMMA based nanocomposites filled with modified CaCO3 nanoparticles
    in Macromolecular symposia
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Avella, M.; Errico, M. E.; Gentile, G. (literal)
Pagina inizio
  • 140 (literal)
Pagina fine
  • 146 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 247 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#note
  • No. Citazione=0; Autocitazione=0; Motore utilizzato per le citazioni=Google Scholar. (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
  • 7 (literal)
Note
  • copus (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Istituto di Chimica e Tecnologia dei Polimeri, CNR, Via Campi Flegrei, 34, 80078 Pozzuoli (NA), Italy (literal)
Titolo
  • PMMA based nanocomposites filled with modified CaCO3 nanoparticles (literal)
Abstract
  • PMMA based nanocomposites filled with calcium carbonate nanoparticles (CaCO3) have been prepared by in situ polymerization approach. In order to improve inorganic nanofillers/polymer compatibility, PBA chains have been grafted onto CaCO3 nanoparticle surface. Morphological analysis performed on nanocomposite fractured surfaces has revealed that the CaCO3 modification induces homogeneous and fine dispersion of nanoparticles into PMMA as well as strong interfacial adhesion between the two phases. Mechanical tests have shown that both unmodified and modified CaCO3 are responsible for an increase of the Young's Modulus, whereas only PBA-grafted nanoparticles allow to keep unchanged impact strength, strongly deteriorated by adding unmodified CaCO3. Finally, the presence of CaCO3 nanoparticles significantly improves the abrasion resistance of PMMA also modifying its wear mechanism. (literal)
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