Polymerization of phenylacetylene and of p-tolyl-acetylene catalyzed by beta-dioxygenato rhodium(I) complexes in homogeneous and heterogeneous phase (Articolo in rivista)

Type
Label
  • Polymerization of phenylacetylene and of p-tolyl-acetylene catalyzed by beta-dioxygenato rhodium(I) complexes in homogeneous and heterogeneous phase (Articolo in rivista) (literal)
Anno
  • 2002-01-01T00:00:00+01:00 (literal)
Alternative label
  • 1 Mastrorilli P., 1 Nobile C.F., 1 Rizzuti A., 1 Suranna G.P., 2 Acierno D., 3 Amendola E. (2002)
    Polymerization of phenylacetylene and of p-tolyl-acetylene catalyzed by beta-dioxygenato rhodium(I) complexes in homogeneous and heterogeneous phase
    (literal)
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  • 1 Mastrorilli P., 1 Nobile C.F., 1 Rizzuti A., 1 Suranna G.P., 2 Acierno D., 3 Amendola E. (literal)
Pagina inizio
  • 35 (literal)
Pagina fine
  • 42 (literal)
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  • 178 (literal)
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  • The paper descibes the synthesis of new polymers obtained by homogeneous and heterogeneous synthesis. The new polymers are potential materials for the production of electronic devices. (literal)
Note
  • ISI Web of Science (WOS) (literal)
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  • 1 Polytechnic of Bari DIAC 2 University on Naples DIMP 3 CNR IMCB (literal)
Titolo
  • Polymerization of phenylacetylene and of p-tolyl-acetylene catalyzed by beta-dioxygenato rhodium(I) complexes in homogeneous and heterogeneous phase (literal)
Abstract
  • The catalytic polymn. of phenylacetylene and p-tolyl-acetylene under homogeneous and heterogeneous conditions is described. The catalysts used are either (cod)Rh(AAEMA) [cod: 1,5-cyclooctadiene, AAEMA-: deprotonated form of 2-(acetoacetoxy)ethyl methacrylate] or the supported metal complex obtained by thermal copolymn. of (cod)Rh(AAEMA) with suitable comonomer and cross-linkers. Complexes of general formula (diene)Rh(acac) [diene: 2,5-norbornadiene (nbd) or 1,5-cyclooctadiene (cod)] have also been used for comparison. High yields in poly(aryl-acetylene) are achieved in the homogeneous phase for both substrates using THF as solvent at room temp. even in the absence of any co-catalyst. The use of the supported rhodium(I) catalyst facilitates the polymn. of arylacetylenes yielding, in the case of poly(phenylacetylene) (PPA), a polymer having high stereoregularity and higher mol. wt. respect to that obtained in homogeneous phase. A new correlation between IR data and the cis-percentage of PPA is proposed and discussed (literal)
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