Compatibilization and Properties of EVA Copolymers Containing Surface-Functionalized Cellulose Microfibers (Articolo in rivista)

Type
Label
  • Compatibilization and Properties of EVA Copolymers Containing Surface-Functionalized Cellulose Microfibers (Articolo in rivista) (literal)
Anno
  • 2010-01-01T00:00:00+01:00 (literal)
Alternative label
  • Mariano Pracella,M. Minhaz-Ul Haque, Vera Alvarez (2010)
    Compatibilization and Properties of EVA Copolymers Containing Surface-Functionalized Cellulose Microfibers
    in Macromolecular materials and engineering (Print)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Mariano Pracella,M. Minhaz-Ul Haque, Vera Alvarez (literal)
Pagina inizio
  • 949 (literal)
Pagina fine
  • 957 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 295 (literal)
Rivista
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • M. Pracella: Institute of Composite and Biomedical Materials, IMCB-CNR, Via Diotisalvi 2, Pisa 56122, Italy M. M. Haque: Department of Chemical Engineering and Materials Science, University of Pisa, Via Diotisalvi 2, Pisa 56122, Italy V. Alvarez: Polymer Division, INTEMA-CONICET, University of Mar del Plata, Mar del Plata, Argentina (literal)
Titolo
  • Compatibilization and Properties of EVA Copolymers Containing Surface-Functionalized Cellulose Microfibers (literal)
Abstract
  • Cellulose microfibres were modified with two different bi-functional monomers, namely maleic anhydride (MA) and glycidyl methacrylate (GMA). Composites of EVA copolymer with modified and unmodified cellulose were prepared in the presence of radical initiator by melt mixing in Brabender mixer. The samples were analyzed by SEM, WAXS, FT-IR, DSC, TGA, DMTA and tensile mechanical tests. SEM analysis pointed out that the presence of reactive groups on cellulose surface enhanced the compatibility, improving the fibre/matrix interfacial adhesion as compared to unmodified composites. This was correlated with the occurrence of chemical reactions between the double bond of functional groups onto cellulose and the polymer chains, as demonstrated by FT-IR analysis. The incorporation of fibres affected the crystallization behaviour and crystallinity of the polymer matrix. Composites with GMA modified cellulose displayed better compatibility, higher thermal stability, elongation at break and tensile strength as compared to EVA/Cell. (literal)
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