Palygorskite-cerium oxide filled rubber nanocomposites
Source abstract
Abstract
Abstract Palygorskite (PA)-cerium oxide (CeO 2 ) was modified with cetyl-trimethylammonium bromide (CTAB) to be used as filler of high-performance natural rubber (NR)/styrene butadiene rubber (SBR) nanocomposites. The microstructure of the filler and the rubber nanocomposites were characterized by transmission electron microscope (TEM), X-ray diffraction (XRD), high-resolution TEM (HRTEM), selected area electron diffraction (SAED), Fourier transform infrared spectroscopy (FTIR), scanning electron microscope (SEM) and thermal gravimetric analysis (TGA). The TEM/HRTEM images and XRD/SAED patterns revealed that face-centered cubic CeO 2 nanoparticles with an average diameter of 5 nm were homogeneously distributed on the surfaces of the PA fibers. The influences of CTAB modified PA-CeO 2 (CTAB-PA-CeO 2 ) on the curing, morphological, mechanical and thermal properties of the rubber nanocomposites were investigated. The curing measurements indicated that the addition of CTAB-PA-CeO 2 increased the crosslink density and shortened the curing process of the rubber nanocomposites. The SEM and TEM images demonstrated that the CTAB-PA-CeO 2 fibers were homogeneously distributed within the NR/SBR matrix. The nanoscale dispersion of CTAB-PA-CeO 2 and adequate rubber/filler interactions as well as the special rubber/filler network resulted in an obvious reinforcement. The TGA curves illustrated that the thermal stability of the rubber nanocomposites was also improved due to the addition of CTAB-PA-CeO 2 .
Source: openaire · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Polymer Nanocomposites and Properties · Polymer Nanocomposite Synthesis and Irradiation · Polymer crystallization and properties
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
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