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OALib Journal期刊
ISSN: 2333-9721
费用：99美元
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纳米fe/c复合材料的原位合成
Keywords: 二茂铁,石油渣油,炭,纳米复合材料
Abstract:
？在石油渣油中加入二茂铁，通过热缩聚反应原位合成纳米级铁粒子均匀分散于炭基体中的新型复合材料。研究了在420℃热缩聚时停留时间和二茂铁添加量对fe/c形成的影响，并用tem和xrd观测和分析了fe/c的形态和结构。结果表明，在基体中铁粒子的粒径为20~50nm；在一定条件下，二茂铁添加量的增加和停留时间的延长均使fe/c产率提高。停留时间对热缩聚反应的影响遵循一级反应动力学，二茂铁的添加能显著提高反应速率常数k值.
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