-
1.发明授权Continuous process for the production of filaments or fibers from difficultly soluble synthetic polymers 失效用于从难溶性合成聚合物生产长丝或纤维的连续方法
公开(公告)号：US4427613A
公开(公告)日：1984-01-24
申请号：US279898
申请日：1981-07-02
申请人： Ulrich Reinehr , Joachim Dross , Toni Herbertz , Hermann-Josef Jungverdorben , Hans K. Burghartz
发明人： Ulrich Reinehr , Joachim Dross , Toni Herbertz , Hermann-Josef Jungverdorben , Hans K. Burghartz
摘要： The invention relates to a process for the continuous production of synthetic non-discolored filaments and fibers from a filament forming synthetic polymer being difficultly soluble in an organic polar solvent particularly polyacrylonitrile polymers which process comprises preparing a suspension of said polymer and said solvent at room temperature and subsequently heating the suspension thus formed for at least 3 minutes to at least 130.degree. C., and filtering the clear spinning solution formed without intermediate cooling, homogenizing and spinning it immediately afterwards into filaments.
摘要翻译： 本发明涉及从形成合成聚合物的细丝连续生产合成非变色长丝和纤维的方法，难以溶于有机极性溶剂，特别是聚丙烯腈聚合物，该方法包括在室温下制备所述聚合物和所述溶剂的悬浮液 然后将由此形成的悬浮液加热至少3分钟至至少130℃，并将形成的透明纺丝溶液过滤，不经中间冷却，均化并立即纺丝成长丝。
-
2.发明授权Process for the production of dry-spun hollow polyacrylonitrile fibers and filaments 失效生产干纺中空聚丙烯腈纤维和细丝的方法
公开(公告)号：US4457885A
公开(公告)日：1984-07-03
申请号：US461803
申请日：1983-01-28
申请人： Ulrich Reinehr , Kurt Bernklau , Hans K. Burghartz , Toni Herbertz , Hermann-Josef Jungverdorben
发明人： Ulrich Reinehr , Kurt Bernklau , Hans K. Burghartz , Toni Herbertz , Hermann-Josef Jungverdorben
CPC分类号： D01F6/18 , D01D5/24 , Y10T428/2929 , Y10T428/2975
摘要： Hollow acrylonitrile fibres and filaments are prepared by dry spinning the spinning dope through a nozzle having loop-shaped nozzle orifices, the solution having a viscosity equivalent to at least 120 falling ball seconds, measured at 80.degree. C., or at least 75 falling ball seconds, measured at 100.degree. C., wherein the nozzle orifice area of the profiling nozzle is smaller than 0.2 mm.sup.2 and the maximum width of the sides of the loop-shaped nozzle is 0.1 mm and the overlap between the two ends of the sides of the loop-shaped nozzle forms an angle of from 10.degree. to 30.degree. measured from the center of the nozzle and wherein the spinning air acts on the filaments in a transverse direction to the filament take-off and the air direction forms an angle of from 80.degree. to 100.degree. with a straight line passing through the opening between the sides.
摘要翻译： 中空丙烯腈纤维和长丝通过将纺丝原液通过具有环形喷嘴孔的喷嘴进行干纺来制备，该溶液的粘度相当于在80℃下测量的至少120个落球秒，或至少75个落球 秒，在100℃下测量，其中成型喷嘴的喷嘴孔面积小于0.2mm 2，并且环形喷嘴的侧面的最大宽度为0.1mm，并且两侧的两端之间的重叠 环形喷嘴形成从喷嘴中心测量的10°至30°的角度，并且其中旋转空气沿着灯丝起飞的横向方向作用在长丝上，并且空气方向形成从 80°至100°，直线穿过两侧之间的开口。
-
3.发明授权Processes for the production of dry-spun polyacrylonitrile profiled fibres and filaments 失效用于生产干纺聚丙烯腈异型纤维和长丝的方法
公开(公告)号：US4810448A
公开(公告)日：1989-03-07
申请号：US41890
申请日：1987-04-22
申请人： Ulrich Reinehr , Kurt Bernklau , Toni Herbertz , Hermann-Josef Jungverdorben , Hans K. Burghartz
发明人： Ulrich Reinehr , Kurt Bernklau , Toni Herbertz , Hermann-Josef Jungverdorben , Hans K. Burghartz
摘要： A process for the production of acrylonitrile fibers and filaments having a precise cross-sectional profile in which filament-forming synthetic polymers are dry-spun from a solution having a viscosity of at least 120 falling bass seconds, measured at 80.degree. C., or a viscosity of at least 75 falling ball seconds, measured at 100.degree. C. Such solution is dry-spun through one or more nozzles. The nozzle hole are of the profile nozzles being less than 0.2 mm.sup.2 and the lateral width being less than 0.17 mm.
摘要翻译： 制备具有精确横截面轮廓的丙烯腈纤维和长丝的方法，其中长丝形成合成聚合物由在80℃下测量的粘度至少为120次低音的秒的溶液干纺，或 在100℃下测得的至少75次落球秒的粘度。这种溶液通过一个或多个喷嘴干纺。 轮廓喷嘴的喷嘴孔小于0.2mm 2，横向宽度小于0.17mm。
-
4.发明授权Process for the production of dry-spun hollow polyacrylonitrile fibers and filaments 失效生产干纺中空聚丙烯腈纤维和细丝的方法
公开(公告)号：US4432923A
公开(公告)日：1984-02-21
申请号：US386501
申请日：1982-06-09
CPC分类号： D01D5/24 , B01D69/08 , B01D69/085 , B01D69/087 , B01D71/42 , D01F6/18
摘要： Hollow polyacrylonitrile fibers having a uniform closed cavity structure are obtained by dry-spinning filament-forming acrylonitrile polymers from a solution through a spinning jet comprising annular jet bores of the type shown in FIG. 1, the solution having a viscosity of at least 120 falling-ball seconds, as measured at 80.degree. C. or of at least 75 falling-ball seconds, as measured at 100.degree. C., the ring of the annular jet bores consisting of three, preferably equally large, ring segments at a distance from one another of at most 0.2 mm, the surface area of the jet bores of the profile jet amounting to less than 0.2 mm.sup.2 and the side width of the ring segments amounting to at most 0.1 mm, the spinning air acting on the filaments transversely of the direction in which they are taken off relative to the center of the spinning jet.
摘要翻译： 通过包含图1所示类型的环形喷射孔的纺丝喷嘴从溶液中干燥成丝的丙烯腈聚合物，获得具有均匀闭合腔结构的中空聚丙烯腈纤维。 如图1所示，该溶液在100℃下测量时具有至少120个落球秒的粘度，如在80℃或至少75个落球秒时测量的，环形射流孔的环由 三个，优选同等大的环形段，彼此距离至多0.2mm，轮廓射流的喷射孔的表面积小于0.2mm 2，环段的侧宽度至多为0.1 mm，纺丝空气在相对于纺丝喷嘴的中心离开的方向上横向于细丝。
-
公开(公告)号：US4505870A
公开(公告)日：1985-03-19
申请号：US505514
申请日：1983-06-17
摘要： Polyacrylonitrile filaments having a residual solvent content of less than 5% by weight and a total linear density of over 100,000 dtex can be prepared without contact with an extracting agent for the spinning solvent by a process in which(a) the spinning solution spun has a viscosity at 100.degree. C. of 10 to 60 falling-ball seconds,(b) the filaments are treated while still hot, directly at the end of the spinning cell, inside it or immediately outside the end of the cell, with a spin-finish which contains a lubricant and an antistat and which gives the filaments a moisture content of at most 10% by weight, relative to the solids content of the fibre, and(c) the filaments are immediately exposed to a heat treatment without cooling down first.
摘要翻译： 残留溶剂含量小于5重量％，总线密度超过100,000dtex的聚丙烯腈长丝可以通过纺丝溶液的萃取剂与纺丝溶剂的萃取剂接触而制备，其中（a）旋转纺丝溶液具有 在100℃下的粘度为10至60个落球秒，（b）长丝在仍然热的情况下直接在纺丝单元的末端处于其内部或紧邻电池端部之外， 其包含润滑剂和抗静电剂，并且相对于纤维的固体含量使细丝的水分含量为至多10重量％，和（c）长丝立即暴露于热处理而不先冷却 。
-
公开(公告)号：US4180617A
公开(公告)日：1979-12-25
申请号：US820240
申请日：1977-07-29
CPC分类号： D01F1/08 , D01F6/18 , D01F6/54 , D01F8/04 , Y10T428/2929 , Y10T428/2935 , Y10T428/2973 , Y10T428/2975
摘要： The wearing comfort of textiles produced from synthetic fibers which are normally hydrophobic, e.g., polyacrylonitrile, is improved by modifications in the spinning process whereby hygroscopic fibers having a sheath/core structure and a microporous core are obtained, which fibers are capable of absorbing considerably more water than conventionally dry spun fibers of the same synthetic polymer not having a sheath/core structure. Several suitable dry spinning processes for producing the improved fibers are disclosed.
摘要翻译： 由通常疏水性的合成纤维（例如聚丙烯腈）生产的纺织品的穿着舒适性通过纺丝过程中的改进得到改善，由此获得具有鞘/芯结构和微孔芯的吸湿性纤维，该纤维能够显着地吸收 水比不具有鞘/芯结构的相同合成聚合物的常规干纺纤维。 公开了用于生产改进的纤维的几种合适的干法纺丝方法。
-
公开(公告)号：US4336214A
公开(公告)日：1982-06-22
申请号：US117161
申请日：1980-01-31
申请人： Ulrich Reinehr , Hermann-Josef Jungverdorben , Toni Herbertz , Alfred Nogaj , Peter Kleinschmidt
发明人： Ulrich Reinehr , Hermann-Josef Jungverdorben , Toni Herbertz , Alfred Nogaj , Peter Kleinschmidt
IPC分类号： D01F1/10 , D01D5/04 , D01F1/08 , D01F6/18 , D01F6/38 , D01F6/54 , D01F8/04 , H05B3/34 , B29H7/20
摘要： The invention relates to hygroscopic filaments and fibres of synthetic high polymers. The improved hygroscopicity compared with known synthetic fibres is due to the fact, that in a conventional dry-spun process a liquid is added to the spinning solvent which liquid has a higher boiling point than the spinning solvent used, which liquid is readily miscible both with the spinning solvent and water and which represents a non-solvent for the polymer to be spun.
摘要翻译： 本发明涉及合成高聚物的吸湿丝和纤维。 与已知的合成纤维相比，改善的吸湿性是由于以下事实：在常规干纺方法中，将液体加入到纺丝溶剂中，该纺丝溶剂的沸点高于使用的纺丝溶剂，该液体易于混溶， 纺丝溶剂和水，其代表用于要纺丝的聚合物的非溶剂。
-
8.发明授权Continuous dry-spinning process for highly shrinkable acrylonitrile filaments and fibers 失效用于高收缩丙烯腈长丝和纤维的连续干纺工艺
公开(公告)号：US4508672A
公开(公告)日：1985-04-02
申请号：US505542
申请日：1983-06-17
CPC分类号： D01F6/18
摘要： Ready-for-dispatch highly shrinkable filaments and fibers made of acrylonitrile copolymers can be prepared in a continuous dry-spinning method in which:(a) the spinning solution spun has a viscosity at 100.degree. C. of 10 to 60 falling-ball seconds,(b) the evaporation of the solvent in the spinning cell is controlled in such a way that on leaving the spinning cell the solvent contact of the filaments is at most 10% by weight, relative to the solids content of the fiber,(c) before the stretch the filaments are treated with a spin-finish which contains a lubricant and an antistat and gives the filaments a moisture content of at most 10% by weight, relative to the solids content of the fiber, and(d) before or during the stretch the filaments have no contact with any other extraction liquid for the spinning solvent.
摘要翻译： 由丙烯腈共聚物制成的高效收缩长丝和纤维可以在连续干纺法中制备，其中：（a）纺丝纺丝溶液在100℃下的粘度为10至60个落球秒 （b）纺丝细胞中溶剂的蒸发以这样一种方式进行控制，即离开纺丝细胞时纤维的溶剂接触率相对于纤维的固体含量为至多10重量％，（c ）在拉伸之前，用含有润滑剂和抗静电剂的旋涂处理细丝，并且相对于纤维的固体含量使长丝具有至多10重量％的水分含量，和（d）在 在拉伸期间，丝与纺丝溶剂的任何其它提取液不接触。
-
9.发明授权Process for spinning hydrophilic acrylic fibers with improved coloring response to dyes 失效纺丝亲水丙烯酸纤维的方法，改善对染料的着色反应
公开(公告)号：US4185058A
公开(公告)日：1980-01-22
申请号：US877318
申请日：1978-02-13
CPC分类号： D01F6/18
摘要： The invention relates to hydrophilic fibers and filaments with good coloring response to dyes from filament-forming hydrophobic synthetic polymers having a sheath-core structure with a highly microporous core and a substantially compact sheath and having a water retention capacity of at least 10% wherein the pores in the core have an average pore diameter measured in the direction of the cross-section of the fiber, of at most 4000 A. The invention relates also to a process for the production of those filaments and fibers according to a dry-spinning process wherein a spinning solution is spun below the boiling point of the spinning solvent used.
摘要翻译： 本发明涉及具有良好着色响应的亲水纤维和长丝，其具有长丝形成疏水性合成聚合物的染料，所述疏水合成聚合物具有皮芯结构，其具有高度微孔的芯和基本上紧密的护套，并且具有至少10％的保水能力，其中 核心中的孔具有在纤维横截面方向上测量的平均孔径至多为4000。本发明还涉及根据干纺丝方法生产这些长丝和纤维的方法 其中纺丝溶液在所用纺丝溶剂的沸点以下旋转。
-
10.发明授权
公开(公告)号：US4483903A
公开(公告)日：1984-11-20
申请号：US529652
申请日：1983-09-06
申请人： Ulrich Reinehr , Kurt Bernklau , Hans K. Burghart , Toni Herbertz , Hermann-Josef Jungverdorben
发明人： Ulrich Reinehr , Kurt Bernklau , Hans K. Burghart , Toni Herbertz , Hermann-Josef Jungverdorben
IPC分类号： B01D71/40 , B01D71/42 , B01D71/82 , D01D5/04 , D01D5/24 , D01F6/18 , D01F6/38 , D02G3/00 , B28B21/54
CPC分类号： D01F6/18 , D01D5/24 , Y10T428/2929 , Y10T428/2975
摘要： Hollow acrylonitrile fibres and filaments are prepared by dry spinning the spinning dope through a nozzle having loop-shaped nozzle orifices, the solution having a viscosity equivalent to at least 120 falling ball seconds, measured at 80.degree. C., or at least 75 falling ball seconds, measured at 100.degree. C., wherein the nozzle orifice area of the profiling nozzle is smaller than 0.2 mm.sup.2 and the maximum width of the sides of the loop-shaped nozzle is 0.1 mm and the overlap between the two ends of the sides of the loop-shaped nozzle forms an angle of from 10.degree. to 30.degree. measured from the center of the nozzle and wherein the spinning air acts on the filaments in a transverse direction to the filament take-off and the air direction forms an angle of from 80.degree. to 100.degree. with a straight line passing through the opening between the sides.
摘要翻译： 中空丙烯腈纤维和长丝通过将纺丝原液通过具有环形喷嘴孔的喷嘴进行干纺来制备，该溶液的粘度相当于在80℃下测量的至少120个落球秒，或至少75个落球 秒，在100℃下测量，其中成型喷嘴的喷嘴孔面积小于0.2mm 2，并且环形喷嘴的侧面的最大宽度为0.1mm，并且两侧的两端之间的重叠 环形喷嘴形成从喷嘴中心测量的10°至30°的角度，并且其中旋转空气沿着灯丝起飞的横向方向作用在长丝上，并且空气方向形成从 80°至100°，直线穿过两侧之间的开口。
-
-
-
-
-
-
-
-
-
搜索结果
19 条记录 (耗时 0.022 秒)
