A new alkoxysilane was used to reduce the hydrophilic character of the silica used in reinforcing styrene/butadiene elastomers for the tyre industry. The surface properties of silica modified with 17 wt.-% of this silane were estimated by inverse GC. A clear change from hydrophilic to hydrophobic character was observed. Styrene/butadiene copolymers loaded with modified silicas were characterized using vulcanization tests, stress/strain measurements and morphological analysis. The best tensile properties were obtained with TESPT-modified silica. The properties of the compound loaded with sb1-pre-grafted silica are scantily lower that the ones of the other compounds. This difference must be ascribed to a higher crosslink density given by the sulfur deriving from the TESPT decomposition during the vulcanization process.


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    Titel :

    A new modifier for silica in reinforcing SBR elastomers for the tyre industry


    Beteiligte:
    Bertora, Alessandro (Autor:in) / Castellano, Maila (Autor:in) / Marsano, Enrico (Autor:in) / Alessi, Matteo (Autor:in) / Conzatti, Lucia (Autor:in) / Stagnaro, Paola (Autor:in) / Colucci, Giovanna (Autor:in) / Priola, Aldo (Autor:in) / Turturro, Antonio (Autor:in)

    Erschienen in:

    Erscheinungsdatum :

    2011


    Format / Umfang :

    10 Seiten, 8 Bilder, 5 Tabellen, 22 Quellen




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Print


    Sprache :

    Englisch




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