Synthesis of Polymers Containing Regularly Distributed Tetrathia-[7]-Elicene Units along the Backbone (Articolo in rivista)

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  • Synthesis of Polymers Containing Regularly Distributed Tetrathia-[7]-Elicene Units along the Backbone (Articolo in rivista) (literal)
Anno
  • 2010-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1002/pola.24260 (literal)
Alternative label
  • Fenili, F.; Rigamonti, C.; Bossi, A.; Ferruti, P.; Manfredi, A.; Maiorana, S.; Baldoli C.; Cauteruccio, S.; Licandro, E.; Ranucci, E. (2010)
    Synthesis of Polymers Containing Regularly Distributed Tetrathia-[7]-Elicene Units along the Backbone
    in Journal of polymer science. Part A, Polymer chemistry; Wiley-Blackwell, Oxford (Regno Unito)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Fenili, F.; Rigamonti, C.; Bossi, A.; Ferruti, P.; Manfredi, A.; Maiorana, S.; Baldoli C.; Cauteruccio, S.; Licandro, E.; Ranucci, E. (literal)
Pagina inizio
  • 4704 (literal)
Pagina fine
  • 4710 (literal)
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  • 48 (literal)
Rivista
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  • DOI: 10.1002/pola.24260 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 21 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • 1 Univ Milano, Dipartimento Chim Organ & Ind, I-20133 Milan, Italy 2 CNR, Ist Sci & Tecnol Mol, ISTM I-20133 Milan, Italy. 3 Nerviano Med Sci, I-20014 Milan, Italy (literal)
Titolo
  • Synthesis of Polymers Containing Regularly Distributed Tetrathia-[7]-Elicene Units along the Backbone (literal)
Abstract
  • A tetrathia-[7]-helicene bearing in the 2 and 13 positions cyanovinyl groups was used as comonomer in the Michael-type polyaddition reaction with N,N'-bis(beta-mercaptoethyl)piperazine. This led to a new polymer bearing tetrathia-[7]helicene units regularly distributed along the polymer backbone, which may be regarded as the first example of a new family of potentially useful nonlinear optical materials. All products were structurally characterized by H-1 and C-13 NMR spectroscopy. Differential scanning calorimetry characterizations revealed the presence, in both monomeric and polymeric helicenes, of glass-transition like temperatures, associated to some conformational variation of the helicene units. The optical properties, the film formation and the morphology of the polymer-containing tetratia-[7]-helicenes were also investigated. (literal)
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