Structure-properties relationships of iPP based filled with spherical calcium carbonate nanoparticles (Articolo in rivista)

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  • Structure-properties relationships of iPP based filled with spherical calcium carbonate nanoparticles (Articolo in rivista) (literal)
Anno
  • 2007-01-01T00:00:00+01:00 (literal)
Alternative label
  • Avella, M.; Cosco, S.; Di Lorenzo, M. L.; Di Pace, E.; Errico, M. E.; Gentile, G. (2007)
    Structure-properties relationships of iPP based filled with spherical calcium carbonate nanoparticles
    in Journal of Nanostructured Polymers and Nanocomposites
    (literal)
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  • Avella, M.; Cosco, S.; Di Lorenzo, M. L.; Di Pace, E.; Errico, M. E.; Gentile, G. (literal)
Pagina inizio
  • 46 (literal)
Pagina fine
  • 54 (literal)
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  • 3 (literal)
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  • No. Citazione=0; Autocitazione=0; Motore utilizzato per le citazioni=Google Scholar. (literal)
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  • 9 (literal)
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  • 2 (literal)
Note
  • Scopu (literal)
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  • Instituto di Chimica e Tecnologia dei Polimeri (ICTP)-CNR, Comprensorio Olivetti, Via Campi Flegrei 34, 80078 Pozzuoli (NA), Italy (literal)
Titolo
  • Structure-properties relationships of iPP based filled with spherical calcium carbonate nanoparticles (literal)
Abstract
  • Isotactic polypropylene (iPP) based nanocomposites filled with calcium carbonate nanoparticles (CaCO3) were prepared by melt mixing and their structure-properties relationships were studied. Spherical CaCO 3 coated with two different coating agents, polypropylene-maleic anhydride graft copolymer (iPP-g-MA) and fatty acids (PA), as nanoreinforced phases (C-PPMA and C-PA, respectively) were tested. The influence of nanoparticles surface treatment on the polymer/ nanofillers interfacial adhesion and on the final materials properties was also investigated. The morphological analysis has allowed defining two types of coating agents: a non-interacting agent (PA) and a coupling agent (iPP-g-MA), able to induce different iPP/nanofiller adhesion degrees. Moreover Young's modulus increases almost linearly with C-PPMA nanoparticles while a slighter improvement was recorded for iPP/C-PA nanocomposites. The iPP thermal stability is also improved by the presence of nanoparticles. Pinally, CaCO 3 drastically reduces the iPP permeability to both oxygen and carbon dioxide. (literal)
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