| 摘要 |
PURPOSE: A manufacturing method of aramid multi-filament is provided to prevent a collapse phenomenon of a yarn layer of a winded paper tube among post-processing steps. CONSTITUTION: A manufacturing method of aramid multi-filament includes the following steps of: spinning aramid dope; passing the multifilament through a non-solidified layer; solidifying the multifilament; washing the multifilament; drying the multifilament; and winding the dried multifilament on an embossed paper tube in which protrusions are formed. |
