Influence of silica-polymer bond microstructure on tire-performance indicators

E.M. Cichomski, T.V. Tolpekina, S. Schultz, Anke Blume, Wilma K. Dierkes, Jacobus W.M. Noordermeer

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Changes in the coupling agent structure in a silica-silane filler system lead to alterations of the microstructure of the silica-polymer interface and determine the dynamic properties, thus wet skid resistance (WSR) and rolling resistance (RR) of a tire tread. Silanes with one ethoxy-group instead of three decrease the hysteresis at 6?°C and increase it at low temperatures, indicating improved RR as well as WSR. A longer linker lowers the hysteresis at elevated temperatures. Lack of chemical coupling between filler and polymer results in a drop in WSR as well as an increase of RR. This implies that simple hydrophobation of the silica surface is not sufficient to obtain good WSR and RR
Original languageEnglish
Pages (from-to)38-45
Number of pages13
JournalKautschuk und Gummi, Kunststoffe
Issue number4
Publication statusPublished - 2015


  • METIS-310773
  • IR-96138
  • 2023 OA procedure


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