Metal/metallic compound fillers nanocomposites

NR Composites and Nanocomposites Based on Metal or Metallic Compound Fillers... 

NR composites and nanocomposites can be fabricated by three main techniques, namely latex compounding, solution mixing and melt blending. A variety of nanofillers, such as carbon black, silica, carbon nanotubes, graphene, calcium carbonate, organomodified clay, reclaimed rubber powder, recycled poly(ethylene terephthalate) powder, cellulose whiskers, starch nanocrystals, etc. have been used to reinforce NR composites and nanocomposites over the past two decades. In this chapter, we discuss the preparation and properties of NR composites and nanocomposites from the viewpoint of nanofillers. We divide nanofillers into four different types conventional fillers, natural fillers, metal or compound fillers and hybrid fillers, and the following discussion is based on this classification. 

Metal oxide nanopowders/nanoparticles were used in such composites for the same purpose. It was proven that the addition of potassium titanate (Liang et al. 2005), aluminum borate (Gu and Liang 2007), or zirconia (Yan et al. 2007) nanoparticles improved the wear resistance and decreased the friction coefficient of nanocomposites. When the nanoparticles were previously modified (in zirconia-based composites, with A-[2-aminoethyl]-Y-aminopropylmethyldimethoxysilane, and Si- and P-based compounds in potassium titanate containing composites), the tribological behavior of the composites was superior due to the improved dispersion of the filler. 

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