DRY-WET SPINNING APPARATUS AND DRY-WET SPINNING METHOD

摘要

PROBLEM TO BE SOLVED: To prevent the generation of yarn unevenness by forming a stable dope stream free from disturbance of the flow during the period from the extrusion of the dope from a number of spinning nozzles bored on a spinneret to the coagulation of the dope with a coagulation liquid filled in a coagulation bath.;SOLUTION: A cylindrical gas-blowing member to blow a gas surrounding a dope stream in a manner to enclose the dope during the period from the extrusion of the dope to the contact of the dope with the coagulation liquid is placed in a gap between the dope-extrusion face of the spinneret having a number of spinning nozzles bored on the surface and the surface of the coagulation liquid to receive the spun dope stream.;COPYRIGHT: (C)2007,JPO&INPIT