Electrostatic spinning method for preparing micro-nano fibers in directional alignment

• Main Authors: ZHANG KEQIN, WU CHENXING, WANG HUI
• Format: Patent
• Language: Chinese; English
• Published: 15.10.2019
• Subjects: MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OFARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES ORRIBBONS; NATURAL OR ARTIFICIAL THREADS OR FIBRES; SPINNING; TEXTILES

The invention relates to an electrostatic spinning method for preparing micro-nano fibers in directional alignment. The method comprises the following steps: a spinning device is provided, wherein thespinning device comprises an injection assembly, a high-voltage power supply connected with the injection assembly and a receiving assembly arranged on one side of the injection assembly; the receiving assembly comprises an insulation part and at least two parallel bulging parts which bulges outwards from the surface of the insulation part and are distributed at intervals, and a power-on electrode is arranged on each bulging part; the receiving assembly further comprises a connection part for electrically connecting the power-on electrodes; a polymer is dissolved in an organic solvent to prepare an electrostatic spinning solution, and the electrostatic spinning solution is poured in the injection assembly; the high-voltage power supply is switched on for electrostatic spinning, an electric potential field is form