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通过建立PAN湿法纺丝丝条凝固过程中“皮·芯”结构模型,对PAN湿法纺丝凝固过程进行模拟结果表明,喷丝头附近的凝固浴浓度降低时,有利于提高纺丝速度和喷丝头拉伸比。
Through the establishment of “skin · core” structure model during the solidification process of PAN wet spinning yarn, the simulation of the wet spinning solidification process of PAN shows that when the concentration of the coagulation bath near the spinneret decreases, it is advantageous to improve spinning Silk speed and spinneret draw ratio.