摘要
以HCl为掺杂酸、CTAB为乳化剂、正丁醇为助乳化剂、过硫酸铵(APS)为引发剂,采用微乳液原位聚合Fe_3O_4/聚苯胺。通过高分辨透射电镜(HRTEM)、红外(FT-IR)、X射线衍射(XRD)对Fe_3O_4/聚苯胺复合材料的性质进行了一系列测定,证实合成了具有核-壳包覆结构的复合材料。然后将得到的纳米复合粒子与聚丙烯腈混合成纺丝液,通过静电纺丝制备出纳米纤维。对Fe_3O_4/聚苯胺实验中保持Fe_3O_4/聚苯胺与聚丙烯腈的质量比为3:8不变,改变聚苯胺中Fe_3O_4的相对含量,发现纳米纤维的直径随着Fe_3O_4质量分数的增加而增大,并且出现不均一性。
Nanocomposite of polyaniline/Fe3O4 has been prepared by microemulsion in-situ polymerization,using hydrochloric acid as intermingling acid, CTAB as emulsifying agent, normal butanol as auxiliary emulsifying agent and ammonium persulfate as the initiator. HRTEM, FT-IR, XRD, DSC analytical techniques are used to characterize polyaniline/Fe3O4. The results indicate that a core-shell structure composite is prepared successfully. Furthermore, nanofiber is prepared by mixing nanoparfiele with polyacrylonitrile （PAN） electrospinning. The ratio of polyaniline/ Fe3O4 to PAN is fixed at 3 ： 8,it is revealed that the diameter of the nanofiber increases with content of Fe3O4 increasing and instability occurs.
基金
教育部博士点专项基金(20090093110004)
新世纪优秀人才计划(NCET-06-0485)
