CURING OF A RIGID-ROD EPOXY-RESIN WITH AN ALIPHATIC DIACID - AN EXAMPLE OF A LIGHTLY CROSS-LINKED LIQUID-CRYSTALLINE THERMOSET (Articolo in rivista)

Type
Label
  • CURING OF A RIGID-ROD EPOXY-RESIN WITH AN ALIPHATIC DIACID - AN EXAMPLE OF A LIGHTLY CROSS-LINKED LIQUID-CRYSTALLINE THERMOSET (Articolo in rivista) (literal)
Anno
  • 1995-01-01T00:00:00+01:00 (literal)
Alternative label
  • GIAMBERINI M, AMENDOLA E, CARFAGNA C (1995)
    CURING OF A RIGID-ROD EPOXY-RESIN WITH AN ALIPHATIC DIACID - AN EXAMPLE OF A LIGHTLY CROSS-LINKED LIQUID-CRYSTALLINE THERMOSET
    in Macromolecular rapid communications
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • GIAMBERINI M, AMENDOLA E, CARFAGNA C (literal)
Pagina inizio
  • 97 (literal)
Pagina fine
  • 105 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 16 (literal)
Rivista
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • UNIV NAPLES FEDERICO II, DEPT MAT & PROD ENGN, I-80125 NAPLES, ITALY CNR ITMC, I-80125 NAPLES, ITALY (literal)
Titolo
  • CURING OF A RIGID-ROD EPOXY-RESIN WITH AN ALIPHATIC DIACID - AN EXAMPLE OF A LIGHTLY CROSS-LINKED LIQUID-CRYSTALLINE THERMOSET (literal)
Abstract
  • By reacting a rigid rod epoxy terminated molecule (p-bis(2,3-epoxypropoxy)-alpha-methylstilbene) with an aliphatic carboxylic acid (decanedioic acid), a lightly crosslinked liquid crystalline network is obtained. This network exhibits a smectic-like phase. While the mesophasic structure resulted ''frozen'' by the crosslinks in the case of highly crosslinked liquid crystalline epoxy resins, in this case a reversible transition from the liquid crystalline to the isotropic phase is observed. Moreover, while curing the same rigid rod epoxy molecule with amines resulted in a thermoset with a nematic structure, in this case a more ordered mesophase can be obtained. Preliminary results show that it is possible to orient macroscopically the mesogenic chains by stretching thin films above the glass transition temperature (T-g) and then quickly cooling down to the glassy stale. This makes this material very attractive in the field of optical applications. (literal)
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