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    Process for the production of acrylic fibers processible into yarns with improved textile properties and low boiling-induced shrinkage values
    6.
    发明授权
    Process for the production of acrylic fibers processible into yarns with improved textile properties and low boiling-induced shrinkage values 失效
    用于生产丙烯腈纤维的方法可加工成具有改进的纺织性能和低沸点诱导的收缩值的纱线

    公开(公告)号：US3975337A

    公开(公告)日：1976-08-17

    申请号：US560938

    申请日：1975-03-21

    申请人： Ulrich Reinehr ,  Alfred Nogaj ,  Wolfhard Schmidt

    发明人： Ulrich Reinehr ,  Alfred Nogaj ,  Wolfhard Schmidt

    IPC分类号： D01F6/18 ,  C08F220/42

    CPC分类号： D01F6/38

    摘要： The invention relates to a process for the production of polyacrylonitrile tows containing from 7 - 15 % by weight, preferably from 10 - 12 % by weight, of comonomer components from which it is possible to produce yarns having low boiling-induced shrinkage values and yarns and dimensionally stable made-up articles with improved textile properties which comprises reducing the tow-shrinkage emanating from the spinning and stretching process by 80 - 95 % of the original tow shrinkage by heat-fixing and eliminating subsequently the residual shrinkage by fixing with saturated steam.

    摘要翻译： 本发明涉及一种生产聚丙烯腈丝束的方法，所述聚丙烯腈丝束含有7-15重量％，优选10-12重量％的共聚单体组分，可从中生产具有低沸点收缩值的纱线和纱线 和具有改进的纺织品特性的尺寸稳定的制成品，其包括通过热定影将从纺丝和拉伸过程发出的丝束收缩减少80-95％的原丝束收缩率，随后通过用饱和蒸汽固定消除残余收缩 。

    Elastane yarn having a linear density of at least 2500 dtex and a cross-sectional width to height ratio of at least 4:1
    7.
    发明授权
    Elastane yarn having a linear density of at least 2500 dtex and a cross-sectional width to height ratio of at least 4:1 失效
    线密度为2500dtex，截面宽高比至少为4:1的弹性纤维纱

    公开(公告)号：US06844060B2

    公开(公告)日：2005-01-18

    申请号：US10425457

    申请日：2003-04-29

    申请人： Ulrich Reinehr ,  Tilo Sehm ,  Wolfgang Anderheggen ,  Toni Herbertz

    发明人： Ulrich Reinehr ,  Tilo Sehm ,  Wolfgang Anderheggen ,  Toni Herbertz

    IPC分类号： D01F6/70 ,  D01G6/00 ,  D01G3/00

    CPC分类号： D01F6/70 ,  Y10T428/2913 ,  Y10T428/2929 ,  Y10T428/2967

    摘要： Described are a process for producing elastane yarn having a linear density of at least 2500 dtex by the wet spinning process and the thereby producible coarse linear density elastane yarn having a wide cross section and a low residual solvent content. The process comprises the steps of spinning an up to 35% strength by weight stable-viscosity elastane solution into a coagulation bath, washing and optionally drawing, drying by contact heating, setting, spin finishing and winding the yarn, the filaments leaving the coagulation bath passing around a diverting roller disposed just above the coagulation bath liquid, the as-spun filament linear density amounting to not more than 1% of the value of the final linear density, the jet stretch ratio being within the range from 0.5 to 50, the contact heating temperature being at least 220° C. and the contact time of the elastane yarn being at least 2 seconds.

    摘要翻译： 弹性纤维横截面宽，残留溶剂含量低，线密度至少为2500dtex。

    Dry spinning process with hot air and with spinning cell outputs greater than 20 kg per cell per hour
    10.
    发明授权
    Dry spinning process with hot air and with spinning cell outputs greater than 20 kg per cell per hour 失效
    干燥纺丝过程用热空气和纺丝细胞输出大于每公斤每小时20公斤

    公开(公告)号：US5013504A

    公开(公告)日：1991-05-07

    申请号：US411078

    申请日：1989-09-22

    申请人： Ulrich Reinehr ,  Gunter Turck ,  Rolf B. Hirsch ,  Hermann-Josef Jungverdorben

    发明人： Ulrich Reinehr ,  Gunter Turck ,  Rolf B. Hirsch ,  Hermann-Josef Jungverdorben

    IPC分类号： D01D5/04 ,  D01F6/18 ,  D01F6/38 ,  D01F11/06

    CPC分类号： D01D5/04 ,  D01F6/18

    摘要： A process for the dry spinning of synthetic polymers, in particular polyacylonitrile fibres, from solutions in high polar solvents, such as dimethylformamide, which are heated to 100.degree.-150.degree. C. shortly upstream of the spinneret and spun there by spinnerets having a certain shape, and in the spinning cell the specific energy supply is at least 0.090 kWh per m.sup.2 of heated cell area, the cell is charged with at least 70 m.sup.3 (S.T.P.) of hot air per hour, and the filaments are treated in the lower part of the cell with water or aqueous preparations, so that the temperature of the filaments which leave the cell is decreased below 110.degree. C. Under these conditions, the unexpectedly high spinning cell outputs of at least 20 kg of PAN solid per spinning cell per hour can be achieved without yellowing or self-ignition of the filaments occurring.

    摘要翻译： 合成聚合物特别是聚腈腈纤维从高极性溶剂如二甲基甲酰胺中的溶液干燥的方法，其在喷丝头上游短时间内加热至100-150℃，并通过喷丝头旋转， 形状，并且在纺丝电池中，比能量供应量为每平方米加热池面积至少为0.090kWh，电池每小时充入至少70m 3（STP）的热空气，并且灯丝在下部处理 的细胞，使得离开细胞的细丝的温度降低到110℃以下。在这些条件下，出乎意料的高纺丝细胞每小时纺丝细胞产生至少20kg的PAN固体 可以实现不发生黄丝或自发点火的灯丝。