Abstract: Polyoxymethylene nanofibers were prepared by electrospinning with 1,1,1,3,3,3-hexafluoroisopropanol as the solvents. The fiber morphology was observed by field emission scanning electron microscopy. The average fiber diameters range from 0.3 μm to 1.2 μm. The effects of various parameters such as solution concentration, tip-to-collector distance, voltage and temperature on the morphology of the fibers were investigated. The crystalline properties of the electrospun mats were measured by DSC and compared with those of the solution-cast films. The electrospum mats have the same melting temperature, regardless of the solution concentration with the solution-cast film, but the electrospun mats have a lower degree of crystallinity. The mechanical properties were tested by tensile tests, and a very long elongation to break was observed.

Key words: Polyoxymethylene, Electrospun mat, Crystallinity, Tensile test