连续缩聚直纺阳离子染料可染涤纶短纤维的开发  

Development of continuous polymerization direct spinning cationic dyes dyeable polyester staple fiber

作　　者：王建中[1] 张勇[1] 肖刚[1] 

机构地区：[1]天津石化公司化纤厂,天津300270

出　　处：《聚酯工业》2003年第6期35-39,共5页Polyester Industry

摘　　要：通过对缩聚、纺丝及后加工工艺的优化调整,在50t/d连续缩聚直纺线上开发出该种产品。选择在酯化Ⅱ加入第三、四组分,控制熔体特性黏度0.60dL/g左右,纺丝温度280～290℃,纺丝速度1300m/min,环吹温度23～26℃,拉伸槽温:30～65℃,三拉伸蒸汽压力:1.5～1.7MPa,拉伸比:3.1×1.10,紧张热定型压力:1.5～1.6MPa,卷曲温度为80℃,产品生产成本低,质量稳定。Through the optimization adjustment on the polymerization,spinning and after processing processes,the cationic dyeable polyester staple fiber was developed on the 50 t/d continuous polymerization direct spinning production line.The third and fourth components were selected to be feeded at the esterficationⅡ,the intrinsic viscosity of the melt was controlled around 0.60 dL/g,the spinning temperature was 280～290 ℃,the spinning speed was (1 300m/min,)the cyclic quench air temperature was 23～26 ℃,the draw pan temperature was 30～65 ℃,the third drawing steam pressure was 1.5～1.7 MPa,the draw ratio was 3.1×1.10,the tension setting pressure was 1.5～1.6 MPa,the crimping temperature was 80 ℃,the production cost was low,the quality was steady.

关 键 词：阳离子染料可染 涤纶短纤维 连续缩聚 聚合工艺 纺丝 后加工 

分 类 号：TQ342.21[化学工程—化纤工业]