平行排列多喷头静电纺丝机纺丝状态及纤维结构.pdf

Vol.49 第49卷 No.01, Jan. 2012 2012年01月 第01期 研究与技术 平行排列多喷头静电纺丝机 纺丝状态及纤维结构 1 1 1,2 潘芳良 ，查帅冲 ，潘志娟 (.苏州大学 纺织与服装工程学院，江苏 苏州 2502；2.现代丝绸国家工程实验室，江苏 苏州 2523) 摘要：以聚砜为溶质，DMF/丙酮(质量比9∶)作为溶剂，从接收效率、纺丝稳定性及扫描电子显微镜(SEM)观察得到的纤维的形 态结构、成丝均匀性，探究了单喷和多喷时，喷头呈平行排列的静电纺丝机的纺丝状态和纺丝效果。研究结果表明：在单喷头纺丝 系统下，溶液的质量分数、纺丝电压和纺丝线速度对纤维的形态结构影响较大；在多喷头情况下，电场存在一定的不均匀，导致各 喷头不能同时稳定地纺丝；由于电场强度的衰减，多喷头时必须采用高于单喷头的纺丝电压才能进行正常的纺丝。 关键词：静电纺丝；多喷头；聚砜；纤维形态；纺丝状态 中图分类号：TQ340.64 文献标志码：A 文章编号：00-7003(202)0-002-06 Spinning state and fiber structure of parallel multi-nozzle electrospinning machine PAN Fang-liang, ZHA Shuai-chong, PAN Zhi-juan (1.College of Textile and Clothing Engineering, Soochow University, Suzhou 215021, China; 2.Modern Silk National Engineering Laboratory, Suzhou 215123, China) Abstract: To explore the spinning performance of parallel multi-nozzle electrospinning machine in the presence of single-nozzle and multi-nozzle respectively, polysulfone is used as the solute, DMF/acetone(9 1 in mass) ∶ as the solvent. According to the spinning efficiency and stability, the morphological structure and uniformity of the fibers were observed from the scanning electron microscopy(SEM). The results showed that , in the single- nozzle system, solution concentration, spinning voltage, roller line velocity influence greatly in the fiber mats morphology. In the case of multi-nozzle system, uneven electric field is existed among nozzles, so different nozzles can not spin stably at the s