The method for producing a polyurethane elastic non-woven fabric by melt-blown forming is that the thermoplastic polyurethane particles are vacuum-dried and fed into a screw extruder, and the polyurethane particles are subjected to heating, melting, and extrusion into a melt, when the melt is from the die. When the spinneret hole is extruded, it is sprayed by the high-pressure hot gas flow on both sides of the spinneret hole, and the melt is stretched to form a super-slim filament, which is cooled and condensed on the drum-type receiver, and self-adhesively forms a polyurethane elastic non-woven fabric.
The melt-blown web is used to manufacture polyurethane elastic non-woven fabric. The method is simple in equipment, short in process flow, low in investment, fine in fiber fineness, bulky in structure, large in specific surface area and good in softness.
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