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首页> 美国卫生研究院文献>Heliyon >The role of silica-containing agro-industrial waste as reinforcement on physicochemical and thermal properties of polymer composites
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The role of silica-containing agro-industrial waste as reinforcement on physicochemical and thermal properties of polymer composites

机译：含二氧化硅的农业工业废料对聚合物复合物的理化和热学性质的增强作用

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This study was conducted to determine the influence of the oil palm boiler ash (OPBA) reinforcement on the microstructural, physical, mechanical and thermal properties of epoxy polymer composites. The chemical composition analysis of OPBA revealed that it contains about 55 wt.% of SiO along with other metallic oxides and elements. The surface morphology of OPBA showed angular and irregular shapes with porous structures. The influence of OPBA as a reinforcement in epoxy composite was studied with varying filler loadings (10–50 wt.%) and different particle sizes (50–150 μm). The result showed that the incorporation of OPBA in composites has improved the physical, mechanical and thermal properties of the epoxy matrix. The highest physical and mechanical properties of fabricated composites were attained with 30 wt.% loading and size of 50 μm. Also, thermal stability and the percentage of char residue of the composite increased with increasing filler loading. Furthermore, the contact angle of OPBA reinforced epoxy composites increased with the increase of filler loading. The lowest value of the contact angle was obtained at 30 wt.% of filler loading with the OPBA particle size of 50 μm. The finding of this study reveals that the OPBA has the potential to be used as reinforcement or filler as well as an alternative of silica-based inorganic fillers used in the enhancement of mechanical, physical and thermal properties of the epoxy polymer composite.
机译：进行这项研究以确定油棕锅炉灰（OPBA）增强对环氧聚合物复合材料的微观结构，物理，机械和热性能的影响。 OPBA的化学组成分析表明，它含有约55重量％的SiO以及其他金属氧化物和元素。 OPBA的表面形态显示具有多孔结构的棱角和不规则形状。研究了OPBA作为环氧复合材料中增强材料的影响，研究了填料填充量（10–50 wt。％）和颗粒尺寸（50–150μm）的变化。结果表明，在复合材料中加入OPBA可以改善环氧基质的物理，机械和热性能。负载量为30 wt。％，尺寸为50μm时，可获得最高的物理和机械性能。而且，随着填料含量的增加，复合材料的热稳定性和残炭百分比也增加。此外，OPBA增强环氧复合材料的接触角随填料含量的增加而增加。接触角的最小值是在填料含量为30 wt。％且OPBA粒径为50μm时获得的。这项研究的发现表明，OPBA有潜力用作增强材料或填充剂，以及替代二氧化硅基无机填充剂以增强环氧聚合物复合材料的机械，物理和热性能的潜力。

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