Synthesis and characterization of novel polyamides from new aromatic phosphonate diamine monomer (Articolo in rivista)

Type
Label
  • Synthesis and characterization of novel polyamides from new aromatic phosphonate diamine monomer (Articolo in rivista) (literal)
Anno
  • 2008-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1016/j.eurpolymj.2008.05.022 (literal)
Alternative label
  • P.Finocchiaro, G.A.Consiglio, A.Imbrogiano, S.Failla, F.Samperi, S.Bazzano, C.Puglisi, G.Scaltro (2008)
    Synthesis and characterization of novel polyamides from new aromatic phosphonate diamine monomer
    in European Polymer Journal
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • P.Finocchiaro, G.A.Consiglio, A.Imbrogiano, S.Failla, F.Samperi, S.Bazzano, C.Puglisi, G.Scaltro (literal)
Pagina inizio
  • 2639 (literal)
Pagina fine
  • 2651 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 44 (literal)
Rivista
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • CNR, Università di Catania (literal)
Titolo
  • Synthesis and characterization of novel polyamides from new aromatic phosphonate diamine monomer (literal)
Abstract
  • New aliphatic-aromatic and fully aromatic phosphonate polyamides were prepared by polycondensation reaction of our synthesized aromatic diamine: tetraethyl[(2,5-diamino-3,6-dimethylbenzene-1,4-diyl)dimethanediyl]bis(phosphonate) with the specific di-acylchloride (adipoyl chloride, isophthaloyl chloride and terephthaloyl chloride). The chemical structure of all samples were characterized by (1H and 31P) NMR, MALDI-TOF MS, FT-IR tools, whereas their thermal properties were determined by DSC and TGA techniques. The phosponate polyadipamide (referred as PAP) is a semi-crystalline sample with a melting temperature at about 261° C and glass transition (Tg) of 71° C. All polymers show two thermal degradation steps in the temperature range 270-550° C. Each polymer, independently its structure, shows the first maximum rate of thermal decomposition temperature (PDT) around 300-310° C, which may be due to thermal degradation of phoshonate groups. MALDI-TOF spectra, beside the linear oligomers terminated with the specific groups expected in accord to the synthesis procedure, reveals the presence of cyclic oligomers in the polyadipamide and polyisophthalamide samples. (literal)
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