Effect of a nucleating agent on lamellar growth in melt-crystallizing polyethylene oxide (Articolo in rivista)

Type
Label
  • Effect of a nucleating agent on lamellar growth in melt-crystallizing polyethylene oxide (Articolo in rivista) (literal)
Anno
  • 2003-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1063/1.1564877 (literal)
Alternative label
  • Aliotta F. 1, Di Marco G. 2, Ober R. 3, Pieruccini M. 4 (2003)
    Effect of a nucleating agent on lamellar growth in melt-crystallizing polyethylene oxide
    in Journal of applied physics
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Aliotta F. 1, Di Marco G. 2, Ober R. 3, Pieruccini M. 4 (literal)
Pagina inizio
  • 5839 (literal)
Pagina fine
  • 5841 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#altreInformazioni
  • Impact Factor = 2.281 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 93 (literal)
Rivista
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • 1,2,4) C.N.R. Istituto per i Processi Chimico-Fisici sez. Messina 3) C.N.R.S. College de France Paris (literal)
Titolo
  • Effect of a nucleating agent on lamellar growth in melt-crystallizing polyethylene oxide (literal)
Abstract
  • The effects of a (non co-crystallizing) nucleating agent on secondary nucleation rate and final lamellar thickness in isothermally melt-crystallizing polyethylene oxide are considered. Small angle X-ray scattering reveals that lamellae formed in nucleated samples are thinner than in the pure samples crystallized at the same undercoolings. These results are in quantitative agreement with growth reta data obtained by calorimetry, and are interpreted as the effect of a local decrease of the besal surface tension, determined mainly by the nucleant molecules diffused out of the regions being about to crystallize. Quantitative agreement with a simple lattice model allows for some interpretation of the mechanism. (literal)
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