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首页> 外文期刊>Polymer Testing >An innovative approach to utilize waste silica fume from zirconia industry to prepare high performance natural rubber composites for multi-functional applications
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An innovative approach to utilize waste silica fume from zirconia industry to prepare high performance natural rubber composites for multi-functional applications

机译：一种采用氧化锆工业废物硅粉的创新方法，为多功能应用制备高性能天然橡胶复合材料

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Silica fume (SF) is silica-rich amorphous waste by-product obtained during zirconium silicate electrofusion process. The key objective of the study was to determine the efficiency of SF as a reinforcing filler in Natural Rubber (NR) compounds vis a vis the conventional filler, high abrasion furnace (HAF) black. Inter-particle distance and particle size distribution analysis from Transmission Electron Microscopy exhibited homogeneous dispersion of filler in hybrid composite (NR SF20/HAF30) with Bis[3-(triethoxysilyl)propyl] tetrasulfide (TESPT). NR composite with 20 phr SF loading improved modulus by 107%, tensile strength by 12%, and tear strength by 28% over gum NR. Hybrid composite showed 111% increase in modulus than NR SF20 composite. Theoretical modelling of Young’s modulus with volume fraction of filler quite fit with Guth-Gold equation. Hybrid composite with TESPT showed 72% reduction in heat build-up compared to NR HAF50 composite. Thermal stability improved by 6 °C and rolling resistance reduced by 64% for hybrid TESPT composite compared to NR HAF50 composite. Constrained region in NR composites obtained from dynamic mechanical analysis showed improved rubber-filler interaction in hybrid TESPT composite. Hence, this work not only provides a new approach to utilize industrial waste but also provides for a high performance NR composite at low cost.
机译：二氧化硅烟气（SF）是在硅酸锆电熔化过程中获得的二氧化硅的无定形废物副产物。该研究的关键目标是将SF作为天然橡胶（NR）化合物中的增强填料的效率进行了载体，Vis Vis Vis Vis，高磨料，高磨料炉（HAF）黑色。透射电子显微镜的颗粒距离和粒度分布分布分析填料在杂化复合物（NR SF20 / HAF30）中的均匀分散与双[3-（三乙氧基甲硅烷基）丙基]四硫化物（TESPT）。 NR复合材料用20phr SF加载107％，抗拉强度升高12％，撕裂强度，撕裂强度在牙龈上产生28％。杂化复合材料显示比NR SF20复合材料增加111％。填料体积分数的杨氏模量的理论建模非常适合Guth-Gold等式。与NR HAF50复合材料相比，具有Tespt的杂化复合材料显示出热量累积的72％。与NR HAF50复合材料相比，热稳定性可提高6°C和滚动阻力减少64％，对杂交TESPT复合材料降低64％。从动态机械分析中获得的NR复合材料中的受约束区域显示杂交TESPT复合材料中改善的橡胶填料相互作用。因此，这项工作不仅提供了一种利用工业废物的新方法，而且还提供了低成本的高性能NR复合材料。

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