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制备了酞菁铜 (CuPc) -Fe3O4 纳米复合粒子 ,分析了CuPc与Fe3O4 纳米粒子的复合过程 ,提出了其复合机理 .研究并建立了CuPc -Fe3O4 纳米复合粒子的结构模型 .研究了复合粒子的抗氧化性和热稳定性 .结果表明 ,CuPc与Fe3O4 纳米粒子之间形成了化学键 .在复合过程中 ,首先一部分CuPc与Fe3O4 纳米粒子表面的氧离子形成化学键 ;然后Fe3O4 纳米粒子发生聚集 ,形成聚集体 ;最后相当一部分CuPc与聚集体表面的Fe3O4 纳米粒子复合 ,从而形成CuPc-Fe3O4 纳米复合粒子 .在复合粒子内部 ,Fe3O4 纳米粒子呈无规则的非紧密堆积状态 ;在复合粒子表面 ,CuPc以分子分散层的形式与Fe3O4 纳米粒子复合 ,其分子分散层最大量为 0 .0 4g/g(Fe3O4 ) .Fe3O4 纳米子以CuPc复合以后 ,其抗氧化能力和热稳定性显著提高 .
The CuPc-Fe3O4 nanocomposite particles were prepared, the complexing process of CuPc and Fe3O4 nanoparticles was analyzed, and its complex mechanism was proposed.The structural model of CuPc-Fe3O4 nanocomposite particles was studied and studied.The effects of composite particles Oxidation resistance and thermal stability.The results show that a chemical bond is formed between CuPc and Fe3O4nanoparticles.In the recombination process, a part of CuPc forms a chemical bond with oxygen ions on the surface of Fe3O4nanoparticles, and then the Fe3O4nanoparticles aggregate to form aggregates At last, a considerable part of CuPc is compounded with Fe3O4 nanoparticles on the surface of aggregates to form CuPc-Fe3O4 nanocomposite particles. In the composite particles, Fe3O4 nanoparticles are randomly and non-tightly packed. On the surface of the composite particles, Dispersed in the form of Fe3O4 nanoparticles and nano-particles, the maximum amount of molecularly dispersed layer is 0. 04g / g (Fe3O4) .Fe3O4 nano-CuPc nano-composite, its antioxidant capacity and thermal stability significantly increased.