包埋纳米材料的静电纺聚丙烯腈纳米纤维的热化学分析

2022 Advances in Science and Engineering Technology International Conferences (ASET) Pub Date : 2022-02-21 DOI:10.1109/ASET53988.2022.9735062

I. Hilmy, Awais Qasir, F. Majeed, W. Khan

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引用次数: 0

摘要

将聚丙烯腈(PAN)与含有不同重量比例的石墨烯纳米片的二甲基甲酰胺(DMF)聚合物溶液电纺丝制成纳米纤维复合材料。利用扫描电子形貌(SEM)测定了纤维的直径和表面形貌。采用差示扫描量热法(DSC)和热重分析法(TGA)进行热分析。利用傅里叶变换红外光谱(FTIR)进行化学分析。在含和不含石墨烯纳米片的所有样品中，玻璃化转变温度没有显著差异。TGA分析显示了每个阶段的热击穿和失重阶段。用红外光谱法测定了其化学键和分子结构。

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Thermal and Chemical Analysis of Electrospun Polyacrylonitrile Nanofibers Embedded with Nanomaterial

Polyacrylonitrile (PAN) was electrospun from PAN and dimethylformamide (DMF) polymeric solution containing graphene nanoplatelets in varying weight proportions to make nanofiber composites. The diameter of fibers and surface morphology was determined by scanning electron morphology (SEM). Differential scanning calorimetry (DSC) and thermogravimetric analysis (TGA) were employed to conduct thermal analysis. While chemical analysis was done by means of Fourier-transform infrared spectroscopy (FTIR). No significant difference was observed in glass transition temperature in all samples with and without graphene nanoplatelets. TGA analysis exhibited the stages of thermal breakdown and weight loss in each stage. FTIR spectroscopy was used to determine the chemical bonds and molecular structure.

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2022 Advances in Science and Engineering Technology International Conferences (ASET)

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