摘要：【中文】本发明涉及一种用于针织的自卷曲弹性混纤丝的制备方法，该混纤丝在同一喷丝板上挤出；将第一成纤聚合物熔体分流成两路：一路经分配后直接挤出；另一路与第二成纤聚合物熔体一起按并列复合纺丝方式分配后挤出；第一成纤聚合物和第二成纤聚合物具有相容性或部分相容性；同一喷丝板上，直接挤出流经的喷丝孔m与按并列复合纺丝方式分配后挤出流经的喷丝孔n的数量之比为1:5～10；依照特定的纺丝工艺制得用于针织的自卷曲弹性混纤丝；该混纤丝主要由第一成纤聚合物单丝和第一成纤聚合物/第二成纤聚合物并列复合单丝组成；单丝卷曲方向随机分布。本发明的方法有效解决了双组分复合纤维针织物中所形成的“条阴状不匀”的问题。 【EN】The invention relates to a method for preparing self-curling elastic combined filament yarn for knitting, wherein the combined filament yarn is extruded on the same spinneret plate; splitting the first fiber-forming polymer melt into two paths: one path is directly extruded after being distributed; the other path and the second fiber forming polymer melt are distributed together in a parallel composite spinning mode and then extruded; the first fiber-forming polymer and the second fiber-forming polymer are compatible or partially compatible; on the same spinneret plate, the number ratio of spinneret orifices m for directly extruding flow to spinneret orifices n for extruding flow after being distributed in a parallel composite spinning mode is 1: 5-10; preparing self-curling elastic mixed filaments for knitting according to a specific spinning process; the combined filament yarn is mainly composed of first fiber-forming polymer monofilament and first fiber-forming polymer/second fiber-forming polymer side-by-side composite monofilament; the filament crimp direction is randomly distributed. The method of the invention effectively solves the problem of uneven strip shade formed in the bi-component composite fiber knitted fabric.

摘要：【中文】本发明涉及一种PTT/PET双组份弹性丝及其制备方法，按FDY工艺，将PET和PTT熔体分配后，从同一喷丝板上的喷丝孔m和n挤出制成FDY丝后进行松弛热处理制得，其中PTT和PET熔体经分配孔A、B流至喷丝孔m，经分配孔C、D流至喷丝孔n，在分配孔A、B、C、D的入口处，PET熔体和PTT熔体的表观粘度相差不超过5％，分配孔A、B为等高圆柱孔，且直径之比为1.24:1，分配孔C、D为等高圆柱孔，且直径之比为1:1.24；制得的双组份弹性丝由多根不同配比的PTT/PET并列复合单丝组成，双组份弹性丝中单丝卷曲方向随机分布。本发明的PTT/PET双组份弹性丝的针织物不存在的“条阴状不匀”的问题。 【EN】The invention relates to a PTT/PET double-component elastic filament and a preparation method thereof, wherein PET and a PTT melt are distributed according to an FDY process, and are extruded from spinneret orifices m and n on the same spinneret plate to form an FDY filament, and then the FDY filament is subjected to relaxation heat treatment to obtain the PTT/PET double-component elastic filament, wherein the PTT and the PET melt flow to the spinneret orifices m through a distribution hole A, B and flow to the spinneret orifices n through a distribution hole C, D, the difference between the apparent viscosities of the PET melt and the PTT melt at the inlet of a distribution hole A, B, C, D is not more than 5%, the distribution hole A, B is a cylindrical hole with the same height, the diameter ratio of the cylindrical hole is 1.24:1, the distribution hole C, D is a cylindrical hole with the same height; the prepared double-component elastic yarn is composed of a plurality of PTT/PET parallel composite monofilaments with different proportions, and the monofilaments in the double-component elastic yarn are randomly distributed in the curling direction. The knitted fabric of the PTT/PET double-component elastic yarn has the problem of uneven stripe shade which does not exist.

摘要：【中文】本发明涉及一种一字形防炫光纤维及其制备方法，在按FDY工艺由高粘度PET和低粘度PET制备圆形并列复合纤维的过程中，将喷丝板上的喷丝孔由圆形改为一字形，采用环吹风冷却，并控制喷丝板上的喷丝孔的排布满足一定条件(以任一一字形喷丝孔的横截面为基准，其他所有一字形喷丝孔的横截面都由基准随机旋转形成)，制得FDY丝后进行松弛热处理即得一字形防炫光纤维；制备并列复合纤维时，高粘度PET熔体和低粘度PET熔体经分配后，从同一喷丝板上的喷丝孔m与喷丝孔n挤出；高粘度PET熔体和低粘度PET熔体在各喷丝孔的导孔中流动时的接触面相互平行。本发明采用简单的方法制得了一字形防炫光纤维。 【EN】The invention relates to a straight-line anti-glare optical fiber and a preparation method thereof, wherein in the process of preparing circular parallel composite fibers by high-viscosity PET and low-viscosity PET according to an FDY process, spinneret holes on a spinneret plate are changed into a straight line from a circle, circular blowing is adopted for cooling, the arrangement of the spinneret holes on the spinneret plate is controlled to meet a certain condition (the cross section of any one straight-line spinneret hole is taken as a reference, and the cross sections of all other straight-line spinneret holes are randomly rotated from the reference), and the straight-line anti-glare optical fiber is obtained by performing relaxation heat treatment after FDY filaments are prepared; when the parallel composite fiber is prepared, high-viscosity PET melt and low-viscosity PET melt are distributed and then extruded from a spinneret orifice m and a spinneret orifice n on the same spinneret plate; the contact surfaces of the high-viscosity PET melt and the low-viscosity PET melt are parallel to each other when flowing in the guide holes of the spinneret holes. The invention adopts a simple method to prepare the in-line anti-glare optical fiber.

摘要：【中文】本发明涉及一种运动型针织面料及其制备方法，以棉纤维为面纱原料，以自卷曲弹性纤维为中间纱原料，以细旦十字形PET纤维为地纱原料，进行三线添纱编织并经整理制得运动型针织面料；自卷曲弹性纤维依照FDY工艺制得将CDP熔体分流成两路：一路经分配后直接挤出，另一路与PTT熔体一起按并列复合纺丝方式分配后挤出。本发明制得的运动型针织面料不存在“条阴状不匀”的问题；运动型针织面料的克重为120～160g/m²，经向和纬向的洗涤尺寸变化率均在‑1.0％～1.0％之间，运动型针织面料的吸水率≥275％，滴水扩散时间≤2.2秒，芯吸高度≥142mm，蒸发速率≥0.33g/h，透湿量≥128000g/(m²·d)。 【EN】The invention relates to a sports knitted fabricThe method comprises the steps of taking cotton fibers as a face yarn raw material, taking self-crimping elastic fibers as an intermediate yarn raw material, taking fine denier cross-shaped PET fibers as a ground yarn raw material, carrying out three-thread plating weaving, and finishing to obtain the sports knitted fabric; the self-curling elastic fiber is prepared by dividing CDP melt into two paths according to the FDY process: one path is directly extruded after being distributed, and the other path is extruded after being distributed together with the PTT melt in a parallel composite spinning mode. The sports knitted fabric prepared by the invention does not have the problem of uneven stripe shade; the gram weight of the sports knitted fabric is 120-160 g/m²The washing size change rate of the warp direction and the weft direction is between-1.0% and 1.0%, the water absorption of the sports knitted fabric is more than or equal to 275%, the water dropping diffusion time is less than or equal to 2.2 seconds, the wicking height is more than or equal to 142mm, the evaporation rate is more than or equal to 0.33g/h, and the moisture permeability is more than or equal to 128000g/(m & lt/m & gt)²·d)。

摘要：【中文】本发明涉及一种并列自卷曲POY‑DT丝弹性纤维及其制备方法，按POY‑DT工艺，将PET和PBT熔体分配后，从同一喷丝板上的喷丝孔m与n挤出制成POY‑DT丝后进行松弛热处理制得；其中PBT和PET熔体经分配孔A、B流至喷丝孔m，经分配孔C、D流至喷丝孔n，在各分配孔的入口处，PET和PBT熔体的表观粘度相差≤5％，分配孔A和B为等高圆柱孔，直径之比为1.15～1.24:1，分配孔C和D为等高圆柱孔，直径之比为1:1.15～1.24；制得的纤维由多根两种配比的PBT/PET并列复合单丝组成，纤维中单丝卷曲方向随机分布。本发明解决了PBT/PET并列复合纤维在针织物中存在的“条阴状不匀”的问题。 【EN】The invention relates to a parallel self-crimping POY-DT silk elastic fiber and a preparation method thereof, which is prepared by distributing PET and PBT melts according to a POY-DT process, extruding the PET and PBT melts from spinneret orifices m and n on the same spinneret plate to prepare POY-DT silk and then performing relaxation heat treatment; the PET and PET melts flow to a spinneret orifice m through a distribution orifice A, B and flow to a spinneret orifice n through a distribution orifice C, D, the apparent viscosity difference of the PET and the PET melts is less than or equal to 5% at the inlet of each distribution orifice, the distribution orifices A and B are cylindrical orifices with equal heights, the diameter ratio is 1.15-1.24: 1, the distribution orifices C and D are cylindrical orifices with equal heights, and the diameter ratio is 1: 1.15-1.24; the prepared fiber consists of a plurality of PBT/PET parallel composite monofilaments with two mixture ratios, and the curling directions of the monofilaments in the fiber are randomly distributed. The invention solves the problem of uneven stripe shade of the PBT/PET parallel composite fiber in the knitted fabric.

摘要：【中文】本发明涉及一种泡泡纱的制备方法，将8.3tex涤纶低弹丝纱和14.5tex精梳棉纱进行针织织造，制得泡泡纱；穿纱方式为：第1F、13F、25F、42F穿涤纶低弹丝纱，其余穿精梳棉纱；涤纶低弹丝的制备过程为：在按FDY工艺由PET制备纤维的过程中，采用环吹风冷却，并控制喷丝板上的喷丝孔的排布满足“所有的喷丝孔呈同心圆分布，月牙形喷丝孔位于最外圈的圆上，且其它月牙形喷丝孔相对于其中一个月牙形喷丝孔旋转不同的角度”，制得FDY丝后进行松弛热处理即得涤纶低弹丝；喷丝孔为月牙形喷丝孔和“H”形喷丝孔。本发明的制备方法简单，有效解决了现有技术中在提高手感丰满度时，会导致泡泡纱的清爽感下降的问题。 【EN】The invention relates to a preparation method of seersucker, which is characterized in that 8.3tex terylene low stretch yarn and 14.5tex combed cotton yarn are knitted and woven to prepare seersucker; the threading mode is as follows: the 1F, 13F, 25F and 42F penetrate the terylene low stretch yarn, and the rest penetrate the combed cotton yarn; the preparation process of the polyester low stretch yarn comprises the following steps: in the process of preparing fibers from PET according to an FDY process, cooling by circular blowing, and controlling the arrangement of spinneret orifices on a spinneret plate to meet the requirement that all spinneret orifices are distributed in concentric circles, crescent spinneret orifices are positioned on the outermost circle, and other crescent spinneret orifices rotate by different angles relative to one crescent spinneret orifice, so that FDY yarns are prepared and then subjected to relaxation heat treatment to obtain the polyester low-stretch yarns; the spinneret orifices are crescent spinneret orifices and H-shaped spinneret orifices. The preparation method is simple, and effectively solves the problem that the refreshing feeling of the seersucker is reduced when the hand feeling fullness is improved in the prior art.

摘要：【中文】本发明涉及一种膏药布的制备方法，以月牙形弹性纤维作为经纱和纬纱原料进行机织织造和松弛热处理制得膏药布；月牙形弹性纤维的制备过程为：在按FDY工艺由PTT制备纤维的过程中，采用环吹风冷却，并控制喷丝板上的喷丝孔的排布满足一定条件，制得FDY丝，即得月牙形弹性纤维；喷丝孔为月牙形喷丝孔，月牙形喷丝孔的横截面由外弧线M和内弧线N围成，外弧线M和内弧线N的两交点分别为A和B；一定条件为：以任一月牙形喷丝孔为基准，其他所有月牙形喷丝孔相对于基准都旋转一定的角度，角度在0～360°的范围内随机分布。本发明由于经纱和纬纱原料均具有较好三维卷曲性能，制得的膏药布透气性较好。 【EN】The invention relates to a preparation method of plaster cloth, which takes crescent elastic fiber as raw materials of warp yarn and weft yarn to carry out weaving and relaxation heat treatment to prepare the plaster cloth; the preparation process of the crescent elastic fiber comprises the following steps: in the process of preparing fibers from PTT according to the FDY process, cooling by circular blowing, and controlling the arrangement of spinneret orifices on a spinneret plate to meet certain conditions to prepare FDY filaments, namely crescent elastic fibers; the spinneret orifice is a crescent spinneret orifice, the cross section of the crescent spinneret orifice is surrounded by an outer arc line M and an inner arc line N, and two intersection points of the outer arc line M and the inner arc line N are respectively A and B; the certain conditions are as follows: by taking any crescent spinneret orifice as a reference, all other crescent spinneret orifices rotate for a certain angle relative to the reference, and the angles are randomly distributed within the range of 0-360 degrees. According to the invention, as the warp yarn and weft yarn raw materials have good three-dimensional curling performance, the prepared plaster cloth has good air permeability.

摘要：【中文】本发明涉及一种PET/改性PET双组份弹性丝及其制备方法，制备方法为：PET/改性PET双组份弹性丝在同一喷丝板上挤出，将PET熔体分流成两路：一路经分配后直接挤出，另一路与PET‑PA6共聚物熔体一起按并列复合纺丝方式分配后挤出，直接挤出流经的喷丝孔m与按并列复合纺丝方式分配后挤出流经的喷丝孔n的数量之比为1:6～7，挤出后依照FDY工艺制得PET/改性PET双组份弹性丝；制得的双组份弹性丝由PET单丝和PET/PET‑PA6共聚物并列复合单丝组成，单丝卷曲方向随机分布。本发明有效解决了PET/PET‑PA6共聚物并列型复合纤维在针织织物中所形成的“条阴状不匀”的问题。 【EN】The invention relates to a PET/modified PET double-component elastic yarn and a preparation method thereof, wherein the preparation method comprises the following steps: extruding PET/modified PET double-component elastic yarns on the same spinneret plate, and splitting a PET melt into two paths: one path of the extruded PET/modified PET bicomponent elastic yarn is directly extruded after being distributed, the other path of the extruded PET/modified PET bicomponent elastic yarn is extruded after being distributed with PET-PA6 copolymer melt in a parallel composite spinning mode, the number ratio of spinneret orifices m flowing through the direct extrusion to spinneret orifices n flowing through the extrusion after being distributed in the parallel composite spinning mode is 1: 6-7, and the PET/modified PET bicomponent elastic yarn is prepared according to an FDY process after being extruded; the prepared bicomponent elastic yarn is composed of PET monofilament and PET/PET-PA6 copolymer parallel composite monofilament, and the curling directions of the monofilaments are randomly distributed. The invention effectively solves the problem of uneven stripe shade formed by PET/PET-PA6 copolymer side-by-side composite fibers in knitted fabrics.

摘要：【中文】本发明涉及一种粘度不同的PET双组份弹性丝及其制备方法，粘度不同的PET双组份弹性丝在同一喷丝板上挤出，将高粘度PET熔体分流成两路：一路经分配后直接挤出；另一路与低粘度PET熔体一起按并列复合纺丝方式分配后挤出，直接挤出流经的喷丝孔m与按并列复合纺丝方式分配后挤出流经的喷丝孔n的数量之比为1:6～8，挤出后依照FDY工艺制成FDY丝后进行松弛热处理，即得粘度不同的PET双组份弹性丝；制得的双组份弹性丝由高粘度PET单丝和高粘度PET/低粘度PET并列复合单丝组成，双组份弹性丝中单丝卷曲方向随机分布。本发明制得的高低粘PET并列复合纤维成本较低，应用于针织物中不存在“条阴状不匀”的问题。 【EN】The invention relates to PET double-component elastic yarns with different viscosities and a preparation method thereof, wherein the PET double-component elastic yarns with different viscosities are extruded on the same spinneret plate, and a high-viscosity PET melt is divided into two paths: one path is directly extruded after being distributed; the other path of the extruded PET melt is distributed together with the low-viscosity PET melt in a parallel composite spinning mode and then extruded, the number ratio of spinneret orifices m through which the extruded PET melt flows directly to spinneret orifices n through which the extruded PET melt flows after being distributed in the parallel composite spinning mode is 1: 6-8, FDY yarns are prepared according to an FDY process after the extruded PET melt is extruded, and then relaxation heat treatment is carried out, so that PET double-component elastic yarns with different viscosities are obtained; the prepared two-component elastic yarn is composed of high-viscosity PET monofilament and high-viscosity PET/low-viscosity PET parallel composite monofilament, and the single monofilaments in the two-component elastic yarn are randomly distributed in the curling direction. The high-low viscosity PET parallel composite fiber prepared by the invention has low cost, and has no problem of uneven stripe shade when being applied to knitted fabrics.

摘要：【中文】本发明涉及一种毛巾的制备方法，先制备一步纺弹力复合丝：在按FDY工艺由PET和PTT制备圆形并列复合纤维的过程中，将喷丝板上的喷丝孔由圆形改为三叶形，采用环吹风冷却，并控制喷丝板上的三叶形喷丝孔的排布满足一定条件，制得FDY丝，对FDY丝进行松弛热处理得一步纺弹力复合丝；PET和PTT在各三叶形喷丝孔的导孔中流动时的接触面相互平行；再以一步纺弹力复合丝和棉纱线为原料进行加工，加工工艺流程为：织造→后处理；织造过程为将一步纺弹力复合丝和棉纱线分别作为毛巾的两面毛圈的毛经纱，采用四纬固结起毛方式；毛巾的动摩擦系数为0.21～0.24，吸水率≥275％，滴水扩散时间≤2.1秒，芯吸高度≥133mm。 【EN】The invention relates to a preparation method of a towel, which comprises the following steps of firstly preparing one-step spinning elastic composite yarn: in the process of preparing round parallel composite fibers from PET and PTT according to the FDY process, the spinneret orifices on the spinneret plate are changed into trilobal from round, circular blowing cooling is adopted, the arrangement of the trilobal spinneret orifices on the spinneret plate is controlled to meet certain conditions, FDY yarns are prepared, and the FDY yarns are subjected to relaxation heat treatment to obtain the one-step spinning elastic composite yarns; the contact surfaces of PET and PTT are parallel to each other when flowing in the guide holes of the trefoil spinneret orifices; then the elastic composite yarn and cotton yarn are processed by taking the one-step spinning as raw materials, and the processing technological process comprises the following steps: weaving → post-treatment; the weaving process is that the elastic composite yarn and the cotton yarn which are spun in one step are respectively used as the wool warp yarns of the terry on two sides of the towel, and a four-weft consolidation fluffing mode is adopted; the dynamic friction coefficient of the towel is 0.21-0.24, the water absorption rate is more than or equal to 275%, the dripping water diffusion time is less than or equal to 2.1 seconds, and the wicking height is more than or equal to 133 mm.