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Enhanced mechanical and thermal properties of SBR composites by introducing graphene oxide nanosheets decorated with silica particles
Composites Part A: Applied Science and Manufacturing ( IF 8.7 ) Pub Date : 2017-08-03 , DOI: 10.1016/j.compositesa.2017.08.005
Zijin Liu , Yong Zhang

Synergistic enhancement of fillers in the polymer matrix has emerged as a subject of scientific and industrial interest. A hybrid with the silica decorating on GO surface (SiO2@GO) was fabricated by an electrostatic self-assembly method, and its morphology, structure and composition were characterized. GO, silica, silica/GO mixture (SiO2-GO), and SiO2@GO were separately filled in styrene-butadiene rubber (SBR) to obtain composites. SBR/SiO2@GO (100/20) composite exhibited the best performance, and its tensile strength increased by 308% compared with that of SBR. This is due to SiO2@GO was uniformly embedded in the SBR matrix brought by the synergistic dispersion of silica and GO. SiO2@GO acted as the barrier in SBR composites, and increased the temperature at 50% weight loss for SBR/SiO2@GO (100/20) by 13.1 °C compared to SBR. Anchoring silica on GO surface is an effective way to develop various high-performance rubber composite materials with good potential in industrial applications.



中文翻译:

通过引入装饰有二氧化硅颗粒的氧化石墨烯纳米片来增强SBR复合材料的机械和热性能

聚合物基质中填料的协同增强已经成为科学和工业关注的主题。通过静电自组装法制备了一种在二氧化硅表面装饰有二氧化硅的杂化物(SiO 2 @GO),并对其形貌,结构和组成进行了表征。将GO,二氧化硅,二氧化硅/ GO混合物(SiO 2 -GO)和SiO 2 @GO分别填充到丁苯橡胶(SBR)中,以获得复合材料。SBR / SiO 2 @GO(100/20)复合材料表现出最好的性能,与SBR相比,其拉伸强度提高了308%。这是由于二氧化硅和GO的协同分散将SiO 2 @GO均匀地嵌入SBR基体中。二氧化硅2@GO充当SBR复合材料的屏障,与SBR相比,SBR / SiO 2 @GO(100/20)在失重50%时的温度提高了13.1°C。将二氧化硅固定在GO表面是开发各种在工业应用中具有良好潜力的高性能橡胶复合材料的有效方法。

更新日期:2017-08-03
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