摘要
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.
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.
基金
Supported by the National Natural Science Foundation of China(51103010)
