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Glass fiber supports modified by layers of silica and carbon nanofibers

机译:玻璃纤维载体经过二氧化硅和碳纳米纤维层的改性

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摘要

The new multi-layered composite was manufactured by deposition of the carbon nanofibers (CNF) at the surface of the glass-fiber fabric, which is pre-modified by application of additional external layers of NiO and porous silica. Carbonization of synthesized catalytic template was performed at 450 °C in propanebutane media at ambient pressure. CNF was deposited in amount of ~130% of initial template mass or 65 g per g of nickel, the specific surface area of the material is ~100 m2/g. The synthesized material has high mechanical strength, high hydrophobicity and strong bonding between CNF and glass-fiber support. The synthesis method is technologically simple, inexpensive and easily scalable. It is possible to manufacture such material in various solid shapes, using the flexibility of the primary glass-fiber support; in particular, it may be used for production of the mechanically self-sustainable catalytic cartridges with required shape and internal geometry using no additional structuring elements.
机译:通过在玻璃纤维织物的表面沉积碳纳米纤维(CNF)来制造新的多层复合材料,该碳纳米纤维通过施加额外的NiO和多孔二氧化硅外层进行了预改性。合成的催化模板的碳化在室温下于丙烷丁烷介质中于450°C进行。 CNF的沉积量约为初始模板质量的130%或每克镍65克,材料的比表面积约为100平方米/克。合成材料具有高机械强度,高疏水性以及CNF与玻璃纤维载体之间的牢固结合。该合成方法技术上简单,便宜且易于扩展。利用初级玻璃纤维支架的柔韧性,可以将这种材料制成各种实心形状。特别是,它可以用于生产具有所需形状和内部几何形状的机械自持式催化器,而无需使用其他结构元件。

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