Structural Characterization of Copolyamides Synthesized via the Facile Blending of Polyamides (Articolo in rivista)

Type
Label
  • Structural Characterization of Copolyamides Synthesized via the Facile Blending of Polyamides (Articolo in rivista) (literal)
Anno
  • 2004-01-01T00:00:00+01:00 (literal)
Alternative label
  • F.Samperi, M.S.Montaudo, C.Puglisi, S.Di Giorgi, G.Montaudo (2004)
    Structural Characterization of Copolyamides Synthesized via the Facile Blending of Polyamides
    in Macromolecules (Print)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • F.Samperi, M.S.Montaudo, C.Puglisi, S.Di Giorgi, G.Montaudo (literal)
Pagina inizio
  • 6449 (literal)
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  • 37 (literal)
Rivista
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  • No. Citazione=8; Autocitazione=3; Motore utilizzato per le citazioni=Isiwebofknowledge.com (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • CNR, Università di Catania. (literal)
Titolo
  • Structural Characterization of Copolyamides Synthesized via the Facile Blending of Polyamides (literal)
Abstract
  • Ny6-Ny6,10 and Ny6-Ny4,6 copolyamides prepd. by a facile melt mixing at 290-310 °C of carboxyl terminated Nylon6 (Ny6-COOH) with Ny6,10 or Ny4,6, were characterized by MALDI, 13C NMR, and DSC anal. The results, from one side show how facile is the high yield synthesis of random copolyamides via the melt mixing of the corresponding polyamides. What makes the synthesis so facile is the use of a carboxyl terminated polyamide (Ny6-COOH) to attack the other polyamide (Ny4,6 or Ny6,10), as described herewith. The DSC data acquired provide a clear picture of the process. The second relevant point is about the sequence anal. of the copolyamides, made using their 13C NMR spectra. The sequence has been derived directly from chain statistics principles, avoiding the use of inadequate procedures. To our knowledge, this is the first time as far as condensation copolymers are concerned. Interesting, the sequence anal. of our copolyamides has been also performed independently, by extg. pertinent information from their MALDI spectra. The results have been found in excellent agreement with those from 13C NMR data. (literal)
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