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材料工程  2008 

天然木棉纤维/磁性纳米粒子原位复合反应特性研究

, PP. 80-84

Keywords: 木棉纤维,磁性纳米复合材料,原位,预处理

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Abstract:

以天然木棉纤维为基材,用原位复合法制备磁性纳米复合纤维。研究预处理及熟化方式对复合效果的影响,用SEM,AFM,X射线衍射,超导量子磁强计(SQUID)对复合纤维的结构与磁性进行表征。研究表明预处理后木棉纤维是有效的模板材料,磁性粒子不仅在纤维表面还可在纤维空腔内复合,粒径为30~100nm,晶体类型为-γFe2O3;静磁场熟化复合的铁含量最高为7.54%(质量分数)。SQUID显示制备的木棉/磁性纳米复合纤维具有超顺磁性。

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