Polypropylene-based ferromagnetic composites

被引：4
|
作者：
Carosio, Federico [1 ]
Fina, Alberto [1 ]
Coisson, Marco [2 ]
机构：
[1] Politecn Torino Sede Alessandria, I-15121 Alessandria, Italy
[2] INRIM, Electromagnetism Div, I-10135 Turin, Italy
来源：
POLYMER BULLETIN | 2010年 / 65卷 / 07期
关键词：
Polymer composites; Melt blending; Magnetite; Magnetic properties; Ferromagnetism; ORGANIC POLYMER; NANOCOMPOSITES; MIGRATION; EMULSIONS; BEHAVIOR;
D O I：
10.1007/s00289-010-0282-1
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
Microcomposites of polypropylene (PP) and magnetite (Fe(3)O(4)) in different concentration were prepared by one-step melt blending of magnetite powders and polypropylene. Morphology of the composites was studied by means of scanning electron microscope (SEM) to investigate magnetite dispersion within the polypropylene matrix. Thermoxidative stability and mechanical properties were investigated, showing improved thermal stability and enhanced stiffness. Magnetic properties characterization showed a ferromagnetic behavior with coercive field of 116 Oe and saturation magnetizations linearly dependent on the content of magnetic phase.
引用
收藏
页码：681 / 689
页数：9
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