对木棉纤维进行预处理,然后用预处理后木棉纤维与CdS进行原位复合制备木棉纤维/CdS纳米复合材料。利用扫描电镜（SEM）和原子力显微镜（AFM）对复合材料表面形貌结构进行了观察。用AFM定量地分析了预处理方法对木棉纤维/CdS纳米复合材料表面超微三维结构的影响。研究表明,相比未处理木棉纤维,预处理后木棉纤维/CdS纳米复合材料上CdS粒子的吸附量增大,且经过TEMPO氧化处理的木棉纤维所复合的CdS粒子的分布最均匀,粒径最均一。对于基于植物质纤维素资源为原料的纤维素/无机纳米复合材料的制备及其结构表征具有重要的参考价值。
By using pretreated kapok fibers as matrices,kapok fiber/CdS nanocomposites were prepared through in situ composition with CdS.The morphology structure of nanocomposites was observed by scanning electron microscope(SEM) and atomic force microscope(AFM).The influences of the pretreatment methods on the microstructure of kapok fiber/CdS nanocomposites were characterized quantitatively by AFM.The results showed the amount of Cd attached onto the nanocomposite prepared from kapok fibers was higher than that of the untreated kapok fibers.And the CdS nanoparticles attached onto the kapok fiber/CdS nanocomposites with TEMPO oxidation dispersed most evenly,and had the most uniformly diameters.This research has a significant guiding role to the preparation and structure characterization of cellulose/inorganic nanocomposites based on plant cellulose resources.
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