Based on the actual production of fine denier anti-pilling acrylic fiber(herein-after referred to as Qilu fine denier anti-pilling acrylic fiber)in the acrylic plant of SINOPEC Qilu Branch Company,the factors affecting product quality and countermeasures were analyzed,and the important process parameters in the spinning process and post-processing were ana-lyzed and compared.The breaking strength of Qilu fine denier anti-pilling acrylic fiber was im-proved by selecting suitable spinneret,improving the forming condition of spinning tunnel,ad-justing the line speed and adopting 6.8 times the drafting ratio.
dry fine denier acrylic fiberlinear densitybreaking strength
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