Počet záznamů: 1

Thermal, thermo-mechanical, and dynamic mechanical properties of polypropylene/cycloolefin copolymer blends

  1. 1.
    0365763 - UMCH-V 2012 RIV US eng J - Článek v odborném periodiku
    Fambri, L. - Kolařík, Jan - Pegoretti, A. - Penati, A.
    Thermal, thermo-mechanical, and dynamic mechanical properties of polypropylene/cycloolefin copolymer blends.
    Journal of Applied Polymer Science. Roč. 122, č. 5 (2011), s. 3406-3414 ISSN 0021-8995
    Grant CEP: GA ČR GA106/09/1348
    Výzkumný záměr: CEZ:AV0Z40500505
    Klíčová slova: blends * poly(propylene) * cycloolefin copolymer
    Kód oboru RIV: JI - Kompozitní materiály
    Impakt faktor: 1.289, rok: 2011

    Interaction of the components and physical properties of the polypropylene (PP)/cycloolefin copolymer (COC) blends were studied by means of differential scanning calorimetry (DSC), dynamic mechanical thermal analysis (DMTA), Vicat softening temperature (VST), and measurements of the coefficient of linear thermal expansion (CLTE) and of the density. The attention was focused on the blends with 90–60% of PP by wt, where the COC minority component was present in the form of short fibers. DSC, DMTA, and density measurements concurrently prove the immiscibility of PP and COC. DSC measurements reveal that crystallinity and melting temperature of the PP component slightly decrease with the fraction of COC in blends, in the range of 56–47% and 164–161°C, respectively.
    Trvalý link: http://hdl.handle.net/11104/0006607