改善熔体直纺涤纶POY后加工条干不匀率的探讨  

Discussion on Improving Unevenness of the Post-Processing of Melt Direct Spun PET POY

作　　者：冉华伟 泮金华 王国正 张丽 杨立 郭慧 RAN Hua-wei;PAN Jin-hua;WANG Guo-zheng;ZHANG Li;YANG Li;GUO Hui(Zhejiang Shengyuan Chemical Fiber Co.,Ltd.,Hangzhou 311247,Zhejiang,China)

机构地区：[1]浙江盛元化纤有限公司,浙江杭州311247

出　　处：《合成纤维》2020年第5期8-12,共5页Synthetic Fiber in China

摘　　要：通过优化纺丝温度、冷却条件、集束条件,改造上油系统,调整作业规程等,以改善熔体直纺133 dtex/72 f涤纶预取向丝(POY)的内在质量。试验表明:纺丝温度290℃左右、环吹风风压28~32 Pa、集束位置900 mm、油嘴倾角5°,同时考虑上油措施良好、不停泵修板作业和停泵切小卷等措施后,可以明显减少后加工张力异常和条干不匀率波动的问题,显著提升了POY内在质量和后加工稳定性。The internal quality of direct spinning 133 dtex/72 f polyester pre-oriented yarn(POY) was im-proved by optimizing spinning temperature, cooling condition, cluster condition, reforming oiling system andadjusting operation rules. The results show that the spinning temperature is about 290 ℃, wind pressure is 28~32 Pa, cluster position is 900 mm, nozzle inclination angle is 5°, at the same time, after taking into ac-count measures such as good oiling, continuous pump wiping work and pump stop cutting into small pack-age, etc., POY intrinsic quality and post-processing stability are improved significantly.

关 键 词：多孔细旦丝 条干不匀率 热应力 后加工张力 波动 

分 类 号：TQ342.21[化学工程—化纤工业]