Fabrication and thermomechanical property investigations of polypropylene/silica and polypropylene/modified silica composite films

Next Materials Pub Date : 2024-09-06 DOI:10.1016/j.nxmate.2024.100357

Özkan Demirbas , Hasan Cetin , Mehmet Salih NAS , Mehmet Harbi Calimli , Ramazan Bayat , Fatih Sen

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Abstract

In this study, we fabricated polypropylene/silica (PP/S) and polypropylene/modified silica (PP/MS) composite films using the extrusion technique, and characterized, and investigated their thermomechanical behaviors. The characterization of the neat materials and prepared composites was successfully conducted using some advanced spectroscopic techniques. The thermal stability and thermomechanical behaviors of the composites were investigated through thermogravimetry analysis (TGA) and dynamic mechanical analysis (DMA). The tensile tests revealed that the PP/MS composites exhibited the highest strength values, reaching 22.23 MPa with 1.0 % MS. Higher tensile strength was obtained with PP/MS composites compared to PP/S composites, proving the clear effect of the hexadecyltrimethylammonium bromide (HTAB) binder in the composition of the composites. The highest strength values obtained with the PP/S composites were 20.10 MPa at a ratio of 2.5 %.

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聚丙烯/二氧化硅和聚丙烯/改性二氧化硅复合薄膜的制作和热力学特性研究

在这项研究中，我们采用挤压技术制作了聚丙烯/二氧化硅（PP/S）和聚丙烯/改性二氧化硅（PP/MS）复合薄膜，并对其热力学行为进行了表征和研究。利用一些先进的光谱技术成功地对纯材料和制备的复合材料进行了表征。通过热重分析（TGA）和动态力学分析（DMA）研究了复合材料的热稳定性和热力学行为。拉伸试验表明，PP/MS 复合材料的强度值最高，在含有 1.0 % MS 的情况下达到 22.23 兆帕。与 PP/S 复合材料相比，PP/MS 复合材料获得了更高的拉伸强度，这证明了复合材料成分中十六烷基三甲基溴化铵（HTAB）粘合剂的明显效果。PP/S 复合材料的最高强度值为 20.10 兆帕，比例为 2.5%。

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