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Characterization and magnetic properties of P(St-co-4VP) metal microspheres

机译:P(St-co-4VP)金属微球的表征和磁性

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Monodispersed poly(styrene-co-4-vinylpyridine) [P(St-co-4VP)] microspheres were prepared by emulsifier-free emulsion polymerization. The chemical metal deposition was used to prepare magnetic P(St-co-4VP)Ni, and P(St-co-4VP)Co microspheres exhibited ferromagnetic properties. The morphology of P(St-co-4VP) and P(St-co-4VP)Ni or Co microspheres was studied by transmission electron microscopy (TEM) and X-ray diffraction (XRD). Electron spectroscopy for chemical analysis (ESCA) and XRD were used to investigate the valence changement of metals in air. The magnetic properties of the magnetic microsphere were studied. The difference of soft magnetism between P(St-co-4VP)Ni and P(St-co-4VP)Co microspheres was discussed. (C) 1998 John Wiley & Sons, Inc. [References: 16]
机译:通过无乳化剂乳液聚合制备单分散的聚(苯乙烯-co-4-乙烯基吡啶)[P(St-co-4VP)]微球。化学金属沉积用于制备磁性P(St-co-4VP)Ni,P(St-co-4VP)Co微球具有铁磁性。通过透射电子显微镜(TEM)和X射线衍射(XRD)研究了P(St-co-4VP)和P(St-co-4VP)Ni或Co微球的形貌。使用电子光谱化学分析(ESCA)和XRD研究空气中金属的化合价变化。研究了磁性微球的磁性。讨论了P(St-co-4VP)Ni和P(St-co-4VP)Co微球之间的软磁差异。 (C)1998 John Wiley&Sons,Inc. [参考:16]

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