Macromolecular non-Releasing Additives for Commercial Polyolefins (Articolo in rivista)

Type
Label
  • Macromolecular non-Releasing Additives for Commercial Polyolefins (Articolo in rivista) (literal)
Anno
  • 2007-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1002/masy.200751404 (literal)
Alternative label
  • M.C.Sacchi, C. Cogliati, S. Losio, G. Costa, P. Stagnaro, S. Menichetti, C. Viglianisi (2007)
    Macromolecular non-Releasing Additives for Commercial Polyolefins
    in Macromolecular symposia; Wiley-VCH - Weinheim, Wheinheim (Germania)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • M.C.Sacchi, C. Cogliati, S. Losio, G. Costa, P. Stagnaro, S. Menichetti, C. Viglianisi (literal)
Pagina inizio
  • 21 (literal)
Pagina fine
  • 26 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 260 (literal)
Rivista
Note
  • ISI Web of Science (WOS) (literal)
  • Scopu (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • M.C.Sacchi, C. Cogliati, S. Losio, Itituto per lo Studio delle Macromolecole (ISMAC) – CNR, Via Bassini 15, 20133 Milano G. Costa, P. Stagnaro, Istituto per lo Studio delle Macromolecole (ISMAC) – CNR, Via De Marini 6, 16149 Genova S. Menichetti, C. Viglianisi, Dipartimento di Chimica Organica - Università di Firenze Via della Lastruccia, 13, 50019 Sesto Fiorentino - (FI) (literal)
Titolo
  • Macromolecular non-Releasing Additives for Commercial Polyolefins (literal)
Abstract
  • Four comonomers bearing a highly efficient phenolic antioxidant unit and different distance between the antioxidant moiety and the double bond have been prepared and tested in co-polymerization with ethylene by means of three selected metallocene based catalysts. The possibility to obtain a masterbach suitable for melt blending with commercial polyolefins has been evaluated by modifying: i) the structure of the functionalized comonomer, ii) the kind of catalyst, iii) the polymerization conditions. The pair rac-[Me2Si-(2-Me-4,5-Benzlnd)(2)]ZrCl2 catalyst and comonomer with the longest spacer (8 methylene units) allowed the highest comonomer incorporation, while with rac-(EBTHl)ZrCl2 catalyst the highest polymerization activity was observed. TGA analysis has been carried out on some of the copolymers in order to investigate the influence of type and amount of the comonomer on their thermal stability and to test the efficiency of the antioxidant group both in nitrogen and oxygen atmosphere. (literal)
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