Effect of a Silane Coupling Agent on the Morphology of Silica Reinforced Natural Rubber

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Abstract

Filler-to-rubber interaction is a key parameter in reinforcement of rubber. This paper presents an investigation into the morphology of silica-reinforced Natural Rubber (NR) in presence and absence of a silane coupling agent, bis(triethoxysilylpropyl) tetrasulfide (TESPT). Improvement of the microdispersion of silica in NR with the use of TESPT is observed by Atomic Force Microscopy (AFM) imaging. Using a special network visualization technique based on Transmission Electron Microscopy (TEM), insight into the silica-torubber interaction in NR is gained. The presence of TESPT leads to strong-rubber bonding, which prevents formation of vacuoles.
Original languageEnglish
Pages (from-to)29-33
Number of pages5
JournalKGK Kautschuk, Gummi, Kunststoffe
Volume67
Issue number3
Publication statusPublished - 2014

Keywords

  • METIS-303233
  • IR-90387

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