高仿毛粗旦有光扁平锦纶FDY生产工艺探讨  

Discussion of production process of super wool-like heavy-denier bright flat polycaprolactam FDY

作　　者：谭延坤 张守运 

机构地区：[1]义乌华鼎锦纶股份有限公司,浙江金华322009

出　　处：《合成纤维工业》2016年第4期75-77,共3页China Synthetic Fiber Industry

摘　　要：以相对黏度2．43的聚己内酰胺（PA6）为原料，采用高速纺丝生产高仿毛粗旦有光扁平锦纶全拉伸丝（ FDY），探讨了纺丝、拉伸、上油、卷绕等工艺条件对产品质量的影响。结果表明：合理设计喷丝板，选择纺丝速度4300～4400 m／min，纺丝温度248～252℃，侧吹风速度0．50～0．55 m／s、温度20～24℃、相对湿度90％～100％，拉伸比1．20～1．30，上油率1．40％～1．60％，可以生产出光泽柔和、仿毛手感好的粗旦有光锦纶FDY；上述工艺条件下，生产的80 dtex／10 f锦纶FDY断裂强度4．8 cN／dtex，断裂伸长率27．3％，条干不匀率1．6％，扁平度1：4，异形度3．6。A super wool-like heavy-denier bright flat polycaprolactam （PA 6） fully drawn yarn （FDY） was produced by using PA 6 with the relative viscosity of 2.43 as raw material via high-speed spinning process .The effects of spinning , drawing, oiling and winding process conditions on the product quality were discussed .The results showed that the heavy-denier bright PA 6 FDY could be produced with soft luster and good wool-like handle by using properly designed spinneret under the conditions of spinning speed 4 300-4 400 m/min, spinning temperature 248-252℃, cross air blow speed 0.50-0.55 m/s, temperature 20-24℃and relative humidity 90%-100%, draw ratio 1.20-1.30, oil pick-up 1.40%-1.60%; the obtained 80 dtex/10 f PA 6 FDY had the breaking strength of 4.8 cN/dtex, elongation at break 27.3%, yarn irregularity 1.6%, flatness 1：4, degree of profile 3.6.

关 键 词：聚己内酰胺纤维 高速纺丝 仿毛型 有光 扁平 粗旦 全拉伸丝 

分 类 号：TQ342.11[化学工程—化纤工业]