EVA／PP共混物皮芯复合中空纤维的熔融纺丝工艺  

Melt-spinning of hollow sheath-core composite fibers of EVA/PP blend

作　　者：杨旭俭[1] 王学晨[1] 崔河[1] 牛建津[1] 张兴祥[1] 

机构地区：[1]天津工业大学改性与功能纤维天津市重点实验室,天津300160

出　　处：《天津工业大学学报》2007年第1期15-19,共5页Journal of Tiangong University

摘　　要：以质量分数为5％～20％的乙烯-醋酸乙烯共聚物(EVA)与聚丙烯(PP)的共混物为芯层、PP为皮层,采用熔融纺丝工艺制备出了皮芯复合中空纤维.研究了复合比例、EVA含量、纺丝温度和挤出速率／卷绕速率匹配对熔融纺丝稳定性的影响,确定了最佳熔融纺丝工艺:EVA质量分数为10％,皮芯此为60／40,纺丝温度为230℃,挤出速率为48 mL／min,卷绕速率为500 m／min．Based on the manufacture of ethylene-vinyl acetate copolymer （EVA）/polypropylene （PP） blend chips containing 5% - 20% of EVA, a series of composite hollow fibers were fabricated by melt-spinning process using PP as sheath and EVA/PP blend chips as core. The effects of the sheath-core ratio, EVA content, melt spinning tem- perature and extruding speed/winding velocity on melt-spinning stability was studied. The best spinning conditions were determined. The EVA content is 10%, the sheath-core ratio is 60/40, the spinning temperature is 230 ℃, the extruding speed is 48 mL/min, the winding velocity is 500 m/min.

关 键 词：乙烯-醋酸乙烯共聚物/聚丙烯 皮芯复合中空纤维 熔融纺丝 力学性能 

分 类 号：TQ340.642[化学工程—化纤工业] TS141.8[轻工技术与工程—纺织材料与纺织品设计]