Fe<sub>2</sub>O<sub>3</sub>对聚芳基乙炔树脂石墨化的影响研究

材料研究学报

2011, Vol. 25

Issue (6): 661-666

研究论文

本期目录 | 过刊浏览

Fe₂O₃对聚芳基乙炔树脂石墨化的影响研究

吴宏伟, 史铁钧, 谭德新

合肥工业大学化工学院合肥 230009

Study of Effects of Fe2O3 on Polyarylacetylene Resin Graphitization

WU Hongwei, SHI Tiejun, TAN Dexin

School of Chemical Engineering, Hefei University of Technoligy, Hefei 230009

引用本文:

吴宏伟史铁钧谭德新. Fe₂O₃对聚芳基乙炔树脂石墨化的影响研究[J]. 材料研究学报, 2011, 25(6): 661-666.
. Study of Effects of Fe2O3 on Polyarylacetylene Resin Graphitization[J]. Chin J Mater Res, 2011, 25(6): 661-666.

全文: PDF(1018 KB)

摘要: 用不同催化剂催化聚芳基乙炔树脂石墨化, 重点研究了Fe2O3含量和热处理温度对PAA石墨化的影响。通过XRD、Raman、SEM和HRTEM分析了PAA热处理温前后的结构和形貌变化。实验结果显示: Fe2O3在热处理过程中转换成铁单质, 有效地促进了PAA树脂的石墨化; Fe2O3含量的增加和热处理温度的升高均可促使石墨结构形成, 且石墨化度达到了92.3%。石墨化后产物主要由石墨碳、铁纳米粒子和非晶碳构成。石墨化的碳纳米带包裹纳米铁颗粒并向外伸展相互连接, 形成碳纳米网络结构。

关键词 ：无机非金属材料, 催化石墨化, Fe2O3, PAA树脂, 纳米复合材料

Abstract：Catalytic graphitization of polyarylacetylene resin was studied with the assistance of different kinds of catalysts. The effects of Fe2O3 and carbonized temperature on PAA graphitization were investigated The structure and morphology of PAA resin and graphitized products were characterized by XRD, Raman, SEM and HRTEM. The results show that Fe2O3 was reduced to iron during calcining, which accelerated the graphitization of polyarylacetylene resin. The graphitic structure was formed with the increases of both Fe2O3amount and heat treated temperature, and the degree of graphitization was 92.3%. The graphitized product was composed of the graphitic carbon, the iron nanoparticles and the amorphous carbon. The iron nanoparticles were encapsulated by the graphitic layers. The graphitized nano-ribbon extended throughout the amorphous carbon matrix and interconnected each other to form a graphitized nano-ribbon network.

Key words： inorganic non-metallic materials catalytic graphitization Fe2O3 PAA resin nanocomposite materials

收稿日期: 2011-03-28

ZTFLH:

TQ31

基金资助:

国家自然科学基金50973024资助项目。

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