细旦和超细旦丙纶POY-DTY长丝生产工艺的探讨  

DISCUSSION ON THE PRODUCTION TECHNOLOGY OF FINE DENIER AND ULTRA-FINE DENIER POY-DTY FILAMENT

作　　者：柯伟斌 江建平 陈光明 林春梅 林丹妍 KE Wei-bin;JIANG Jian-ping;CHEN Guang-ming;LIN Chun-mei;LIN Dan-yan(Guangdong Modern High-tech Fiber Co.,Ltd.,Jieyang Guangdong,515500)

机构地区：[1]广东蒙泰高新纤维股份有限公司,广东揭阳515500

出　　处：《化纤与纺织技术》2020年第1期1-6,22,共7页Chemical Fiber & Textile Technology

摘　　要：介绍细旦和超细旦丙纶POY-DTY长丝的生产工艺,采用熔融指数≥35 g/10 min的聚丙烯树脂切片,干燥温度70~90℃,干燥时间90~120 min,纺丝温度220~260℃,纺丝速度2500~3000 m/min,侧吹风风速0.2~0.5 m/min,风温(20±2)℃,超喂率8%~15%,拉伸倍数1.5~2.0倍,通过二道过油、加弹工艺及网络气压(控制在0.2~0.5 MPa之间)后加工,可提高细旦和超细旦丙纶长丝的质量性能和生产稳定性,纺出质量优良的细旦和超细旦丙纶POY-DTY长丝。This article mainly introduces the production process of fine denier and ultra-fine denier polypropylene POY-DTY filaments,using polypropylene resin slices with a melting index≥35 g/10 min,drying temperature 70~90℃,drying time 90~120 min,spinning temperature 220~260℃,spinning speed 2500~3000 m/min,side blowing wind speed 0.2~0.5 m/min,wind temperature(20±2)℃,overfeed rate 8~15%,stretch multiple 1.5~2.0 times,pass through two passes oil,texturing process and network air pressure(controlling between 0.2~0.5)post-processing can improve the quality and production stability of fine and ultra-fine denier polypropylene filaments,and produce fine and ultra-fine denier with excellent quality POY-DTY filament of polypropylene.

关 键 词：细旦和超细旦 丙纶 预取向丝 拉伸变形丝 生产工艺 

分 类 号：TQ340[化学工程—化纤工业]