Nucleation Activity of Nanosized CaCO3 on Crystallization of Isotactic Polypropylene, in Dependence on Crystal Modification, Particle Shape, and Coating (Articolo in rivista)

Type
Label
  • Nucleation Activity of Nanosized CaCO3 on Crystallization of Isotactic Polypropylene, in Dependence on Crystal Modification, Particle Shape, and Coating (Articolo in rivista) (literal)
Anno
  • 2006-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1016/j.eurpolymj.2006.01.009 (literal)
Alternative label
  • Avella, M.; Cosco, S.; Di Lorenzo, M. L.; Di Pace, E.; Errico, M. E.; Gentile, G. (2006)
    Nucleation Activity of Nanosized CaCO3 on Crystallization of Isotactic Polypropylene, in Dependence on Crystal Modification, Particle Shape, and Coating
    in European Polymer Journal
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Avella, M.; Cosco, S.; Di Lorenzo, M. L.; Di Pace, E.; Errico, M. E.; Gentile, G. (literal)
Pagina inizio
  • 1548 (literal)
Pagina fine
  • 1557 (literal)
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  • 42 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#note
  • No. Citazione=6; Autocitazione=1; Motore utilizzato per le citazioni=Google Scholar (literal)
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  • 10 (literal)
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  • 7 (literal)
Note
  • ISI Web of Science (WOS) (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
  • Nucleation Activity of Nanosized CaCO3 on Crystallization of Isotactic Polypropylene, in Dependence on Crystal Modification, Particle Shape, and Coating (literal)
Abstract
  • A detailed analysis of the effect of calcium carbonate nanoparticles on crystallization of isotactic polypropylene (iPP) is reported in this contribution. CaCO3 nanoparticles with different crystal modifications (calcite and aragonite) and particle shape were added in small percentages to iPP. The nanoparticles were coated with two types of compatibilizer (either polypropylene-g-maleic anhydride copolymer, or fatty acids) to improve dispersion and adhesion with the polymer matrix. It was found that the type of coating agent used largely affects the nucleating ability of calcium carbonate towards formation of polypropylene crystals. CaCO3 nanoparticles coated with maleated polypropylene can successfully promote nucleation of iPP crystals, whereas the addition of nanosized calcium carbonate coated with fatty acids delays crystallization of iPP, the effect being mainly ascribed to the physical state of the coating in the investigated temperature range for crystallization of iPP, as well as to possible dissolution by fatty acids of heterogeneities originally present in the polypropylene matrix. (literal)
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