Thermal Behavior, Structure and Morphology of Propene/Higher 1-Olefin Copolymers (Articolo in rivista)

Type
Label
  • Thermal Behavior, Structure and Morphology of Propene/Higher 1-Olefin Copolymers (Articolo in rivista) (literal)
Anno
  • 2006-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1002/macp.200600288 (literal)
Alternative label
  • Stagnaro P.; Costa G.; Trefiletti V.; Canetti M.; Forlini F.; Alfonso G.C (2006)
    Thermal Behavior, Structure and Morphology of Propene/Higher 1-Olefin Copolymers
    in Macromolecular chemistry and physics (Print)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Stagnaro P.; Costa G.; Trefiletti V.; Canetti M.; Forlini F.; Alfonso G.C (literal)
Pagina inizio
  • 2128 (literal)
Pagina fine
  • 2141 (literal)
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  • http://onlinelibrary.wiley.com/doi/10.1002/macp.200600288/pdf (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 207 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 22 (literal)
Note
  • Scopu (literal)
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Paola Stagnaro Ismac-Genova Giovanna Costa Ismac-Genova Vincenzo Trefiletti Ismac-Genova Maurizio Canetti Ismac-Milano Fabrizio Forlini Ismac-Milano Giovanni Carlo Alfonso Università di Genova (literal)
Titolo
  • Thermal Behavior, Structure and Morphology of Propene/Higher 1-Olefin Copolymers (literal)
Abstract
  • Propene-based random copolymers, synthesized with two isospecific methylaluminoxane-activated ansa-zirconocenes and containing even and odd carbon-numbered higher 1-olefins, were investigated by DSC and WAXD. Nature and amount of co-units affect primary and secondary crystallization as well as melting behavior; their role is discussed in the light of microstructural features of the macromolecular chains. The specific role of 1-olefin comonomers in the development of the ?-polymorph was assessed by crystallizing selected samples at relatively high temperatures. A good agreement between the fraction of ?-phase calculated from the deconvolution of the DSC melting endotherms and from WAXD analysis was found. The ?-phase content nicely correlates with the average length of the isotactic sequences. In the WAXD patterns of some propene/1-butene copolymers a new reflection at 2? ? 10°, likely corresponding to the newly discovered trigonal modification of isotactic polypropene, was found. (literal)
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