Two types of micro/nano structures, microsphere and nanofibre, were prepared by elec- tro spinning technique and spray drying technique, with the soluble fluorinated poly （ ether ether ke- tone） （3F-PEEK） as the m...Two types of micro/nano structures, microsphere and nanofibre, were prepared by elec- tro spinning technique and spray drying technique, with the soluble fluorinated poly （ ether ether ke- tone） （3F-PEEK） as the matrix. The micro/nano structures were exhibited in the scanning electron microscope （SEM） micrograghs, and the separated nanofibre and microsphere were observed. The sizes of micro/nano structures were measured by the statistical analysis method. We designed exper- iments to connect up all the micro/nano structures to form new three dimensional micro/nano struc- tures that were observed by SEM. In the experiments, supercritical carbon dioxide （ C02 ） was se- lected as the welding solvent. A series of nanofibers were welded to form three dimensional netlike structures, and the particles were welded to form a porous film. The welding processes were studied by varying the exposure temperature, and the welding mechanism was discussed.展开更多
基金Supported by the National Natural Science Foundation of China(51103010)
文摘Two types of micro/nano structures, microsphere and nanofibre, were prepared by elec- tro spinning technique and spray drying technique, with the soluble fluorinated poly （ ether ether ke- tone） （3F-PEEK） as the matrix. The micro/nano structures were exhibited in the scanning electron microscope （SEM） micrograghs, and the separated nanofibre and microsphere were observed. The sizes of micro/nano structures were measured by the statistical analysis method. We designed exper- iments to connect up all the micro/nano structures to form new three dimensional micro/nano struc- tures that were observed by SEM. In the experiments, supercritical carbon dioxide （ C02 ） was se- lected as the welding solvent. A series of nanofibers were welded to form three dimensional netlike structures, and the particles were welded to form a porous film. The welding processes were studied by varying the exposure temperature, and the welding mechanism was discussed.
