Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Synergistic effect of nanobarite and carbon black fillers in natural rubber matrix
Highlights ► Nanobarite and carbon black as reinforcing fillers for natural rubber. ► Organic treatment of nanobarite enhanced the polymer–filler interactions. ► Synergistic effect of carbon black and nanobarite in natural rubber were evaluated. ► The addition of nanobarite improved the overall properties of the nanocomposites.
Abstract Novel rubber nanocomposites based on natural rubber (NR), nanobarite (NB) and carbon black (CB) were prepared by mechanical compounding with the aim of determining the synergistic effect of NB and CB fillers in the NR matrix. The morphology and properties of these nanocomposites were investigated. The results indicated that the reinforcement of NB was influenced by the organic treatment method. In comparison with unmodified NB (U-NB) and NB modified by sodium stearate (SA-NB), NB modified by sodium aluminate and sodium stearate (SA-Al2O3-NB) exhibited outstanding reinforcement due to its homogenous dispersion in the NR matrix and the stronger polymer–filler interactions. In order to optimize the synergistic effect of CB and SA-Al2O3-NB in the NR matrix, thorough and systematic analyses were performed on NR/CB/SA-Al2O3-NB containing various combinations of CB and SA-Al2O3-NB, which revealed that the overall properties strongly depended on the extent of the dispersion of CB and SA-Al2O3-NB fillers. Incorporating 2wt.% SA-Al2O3-NB to the control NR containing 45wt.% CB resulted in an obvious synergistic effect, including accelerating the curing process, improving the mechanical properties and enhancing the thermo oxidative resistance and corrosion resistance.
Synergistic effect of nanobarite and carbon black fillers in natural rubber matrix
Highlights ► Nanobarite and carbon black as reinforcing fillers for natural rubber. ► Organic treatment of nanobarite enhanced the polymer–filler interactions. ► Synergistic effect of carbon black and nanobarite in natural rubber were evaluated. ► The addition of nanobarite improved the overall properties of the nanocomposites.
Abstract Novel rubber nanocomposites based on natural rubber (NR), nanobarite (NB) and carbon black (CB) were prepared by mechanical compounding with the aim of determining the synergistic effect of NB and CB fillers in the NR matrix. The morphology and properties of these nanocomposites were investigated. The results indicated that the reinforcement of NB was influenced by the organic treatment method. In comparison with unmodified NB (U-NB) and NB modified by sodium stearate (SA-NB), NB modified by sodium aluminate and sodium stearate (SA-Al2O3-NB) exhibited outstanding reinforcement due to its homogenous dispersion in the NR matrix and the stronger polymer–filler interactions. In order to optimize the synergistic effect of CB and SA-Al2O3-NB in the NR matrix, thorough and systematic analyses were performed on NR/CB/SA-Al2O3-NB containing various combinations of CB and SA-Al2O3-NB, which revealed that the overall properties strongly depended on the extent of the dispersion of CB and SA-Al2O3-NB fillers. Incorporating 2wt.% SA-Al2O3-NB to the control NR containing 45wt.% CB resulted in an obvious synergistic effect, including accelerating the curing process, improving the mechanical properties and enhancing the thermo oxidative resistance and corrosion resistance.
Synergistic effect of nanobarite and carbon black fillers in natural rubber matrix
Zhao, Guozhang (Autor:in) / Shi, Liyi (Autor:in) / Zhang, Dengsong (Autor:in) / Feng, Xin (Autor:in) / Yuan, Shuai (Autor:in) / Zhuo, Jing (Autor:in)
01.01.2011
7 pages
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
Synergistic effect of nanobarite and carbon black fillers in natural rubber matrix
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