Molecular shape of regular star polymers by Monte Carlo simulations (Articolo in rivista)

Type
Label
  • Molecular shape of regular star polymers by Monte Carlo simulations (Articolo in rivista) (literal)
Anno
  • 1997-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1021/ma970067f (literal)
Alternative label
  • Forni, A; Ganazzoli, F; Vacatello, M (1997)
    Molecular shape of regular star polymers by Monte Carlo simulations
    in Macromolecules (Print); American Chemical Society, Washington, DC (Stati Uniti d'America)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Forni, A; Ganazzoli, F; Vacatello, M (literal)
Pagina inizio
  • 4737 (literal)
Pagina fine
  • 4743 (literal)
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  • Impact Factor 1997: 3.500; SJR 1999: Materials Chemistry, Q1 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
  • http://pubs.acs.org/doi/pdf/10.1021/ma970067f (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 30 (literal)
Rivista
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  • 7 (literal)
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  • 16 (literal)
Note
  • Scopus (literal)
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Dipartimento di Chimica, Politecnico di Milano, via L. Mancinelli 7, I-20131 Milano, Italy Dipartimento di Chimica, Universita` di Napoli, via Mezzocannone 4, I-80134 Napoli, Italy (literal)
Titolo
  • Molecular shape of regular star polymers by Monte Carlo simulations (literal)
Abstract
  • Off-lattice Monte Carlo simulations were performed on linear and 12-arm star polymers in a good-solvent and in the Theta state to investigate both the molecular shape and the size distribution. We find that in a good solvent the star polymer is more spherical than a random walk, the more so the smaller its size is; moreover, a star of finite chain length in the Theta state has a shape more similar to that in good solvent than to that in a random walk because of the excluded-volume restrictions that are particularly relevant in the core region. Both results are at variance with what is found in linear chains. Furthermore, the size distribution of the star is much narrower in a good solvent than in a random walk, approaching somewhat a delta function. This effect is also seen in the strong deformation of the density profile away from the center of mass. (literal)
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