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    • 7. 发明公开
    • METHOD FOR PRODUCING POLYESTER EXTRA FINE MULTI-FILAMENT YARN AND POLYESTER EXTRA FINE FALSE TWIST TEXTURED YARN, POLYESTER EXTRA FINE MULTI-FILAMENT YARN, AND POLYESTER EXTRA-FINE FALSE TWIST TEXTURED YARN
    • 用于生产超细FALSCHDRAHTTEXTURIERTEM涤纶丝,和额外的FINE假聚酯
    • EP1498520A1
    • 2005-01-19
    • EP03719207.7
    • 2003-04-25
    • Teijin Fibers Limited
    • KONISHI, Masahiro Teijin Fibers Ltd, Matsuyama FacNAGAMUNE, Satoshi Teijin Fibers Ltd, Matsuyama FacOSAKA, Hiroyuki Teijin Fibers Ltd, Matsuyama Fact.
    • D01F6/62D02G1/02
    • D02G1/02D01F6/62D02G1/0266D02G1/20Y10T428/29Y10T428/2913Y10T428/2967
    • There are provided a process for producing a polyester fine multifilament yarn having a single filament fineness of 0.9 dtex or below, a total number of single filaments of 100 to 400 and a birefringence of 0.03 to 0.06 comprising passing polymer streams of a polyester polymer melt extruded from a spinneret surface through an atmosphere wherein a distance of 0 to 40 mm from the spinneret surface is regulated to a temperature within the range of 100 to 300 °C, further cooling the polymer streams and then converging the cooled filaments into a filament bundle at a position of 350 to 500 mm from the spinneret surface; a process for producing a polyester fine false twist textured yarn comprising subjecting a polyester fine multifilament yarn having a single filament fineness of 0.9 dtex or below, a total number of single filaments of 100 to 400 and a bifringence of 0.03 to 0.06 to false twist texturing, the process comprising subjecting the multifilament yarn to air interlacing so as to provide a degree of interlacing of 50 to 90 interlaced spots/m measured for the false twist textured yarn, regulating the residence time in a draw-false twisting heater of 0.052 to 0.300 second and the temperature of the running filament yarn at the outlet of the heater to a higher temperature than the glass transition temperature (Tg) of the polyester polymer by 90 to 140 °C, subjecting the multifilament yarn to simultaneous draw-false twist texturing at a draw ratio of 1.40 to 1.70 times, providing the false twist textured yarn, applying a finish oil in an amount of 1.3 to 3.0% by weight based on the weight of the false twist textured yarn and winding the resulting yarn under a winding tension of 0.05 to 0.30 cN/dtex at a speed of 500 to 1200 m/min; and a process for producing the polyester fine false twist textured yarn having a single filament fineness of 0.9 dtex or below, a total number of single filaments of 100 and 400 and a birefringence of 0.03 to 0.06 comprising subjecting a polyester multifilament yarn to the simultaneous draw-false twisting and producing the false twist textured yarn, the process comprising the polyester fine multifilament yarn to air interlacing treatment before and after the simultaneous draw-false twist texturing and regulating the degree of interlacing before and after the latter air interlacing treatment to 30 to 60 interlaced spots/m and 70 to 110 interlaced spots/m, respectively.
    • 本发明提供一种生产具有0.9分特或以下,100〜400单丝的总数和12点03分至12点06分的双折射包含聚酯聚合物熔融挤出的传递聚合物流的单丝纤度的聚酯超细复丝纱 从喷丝头表面通过到大气worin的0至40mm从喷丝头表面的距离被调节到100的范围内的温度到300℃,进一步冷却聚合物流,然后会聚冷却长丝成丝束在 从喷丝头表面350至500毫米的位置; 生产聚酯细假捻加工纱,其包括:使具有0.9分特或以下,100单丝的总数至400和12点03一个bifringence到12时06分至假捻加工的单丝纤度的聚酯超细复丝纱的工艺 ,该方法包括对所述复丝纱线至喷气交缠,以便提供一定程度的50交错的,以/ M测量的假捻加工纱90个交织点,在0052一个拉伸假捻加热器调节停留时间以0300 第二和运行长丝在加热器到高于聚酯聚合物的玻璃化转变温度(Tg)由90〜140℃的较高温度下的出口在该温度下,使该复丝纱,以同时的拉伸假捻加工 一绘制1:40〜1.70倍的比例,提供假捻加工纱,在1.3〜3.0重量%,基于在th的重量施加油剂 È假捻加工纱并卷绕纱线在500到1200米/分钟的速度00:05至00:30 CN / dtex的卷绕张力下得到的; 及其制造聚酯细假捻加工纱具有0.9分特或以下,100和400单丝的总数和12点03分至12点06分的双折射包括使聚酯复丝纱,以同时拉伸的单丝纤度的方法 -false扭曲和产生所述假捻加工纱,所述方法包括将聚酯超细复丝纱线至空气之前和之后的同时进行拉伸假捻加工交缠处理和调节交织前的程度,而后者空气交织处理,以30到后 60个隔行斑点/ m和70〜110隔行扫描斑点/ m时,分别。