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公开(公告)号：US4910005A
公开(公告)日：1990-03-20
申请号：US311485
申请日：1989-02-16
IPC分类号： B01D53/94 , B01D53/86 , B01J21/18 , B01J23/84 , B01J23/847
CPC分类号： B01J21/18 , B01D53/8628 , B01J23/8472
摘要： A process for the reduction of nitrogen oxides contained in exhaust gases comprising reacting the gases with a reducing agent in the presence of a catalyst, the catalyst being based on carbon and having a carbon content greater than 65% by weight and containing 0.1 to 10% by weight of a sparingly soluble oxide of one or more metal selected from the group consisting of Co, Fe, Ni, Cr, V, Mo, W, Cu, Mn and Ti and having a nitrogen content of from 0.5 to 5% by weight, wherein the molar ratio of the reducing agent to the nitrogen oxide is 0.3 to 0.7.
摘要翻译： 一种用于还原废气中所含的氮氧化物的方法，包括在催化剂存在下使气体与还原剂反应，催化剂基于碳，碳含量大于65重量％，并含有0.1至10重量％ 的选自Co，Fe，Ni，Cr，V，Mo，W，Cu，Mn和Ti中的一种或多种金属的微溶氧化物，并且氮含量为0.5-5重量％ 其中还原剂与氮氧化物的摩尔比为0.3〜0.7。
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2.发明授权
公开(公告)号：US4387476A
公开(公告)日：1983-06-14
申请号：US212052
申请日：1980-12-01
摘要： In the process of washing synthetic fibers directly subsequent to the spinning process in which the tow is deposited in a folded condition onto a transportation device, the solvent is removed as completely as possible with the use of as little fresh water as possible if the washing process is carried out on the folded tow in counterflow on this transporting device.
摘要翻译： 在将丝束以折叠状态沉积到输送装置上的纺丝工艺之后直接洗涤合成纤维的过程中，如果洗涤过程中使用尽可能少的淡水，则尽可能完全地除去溶剂 在该输送装置上以逆流方式在折叠的丝束上进行。
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公开(公告)号：US4070817A
公开(公告)日：1978-01-31
申请号：US646060
申请日：1976-01-02
CPC分类号： D02G1/0206 , Y10S57/908
摘要： The invention relates to a process for the simultaneous drawing and texturing of synthetic yarns by the false-twist method comprising interlacing the unstretched or partially stretched yarn by means of an interlacing device before entering the texturing zone of the texturing machine.
摘要翻译： 本发明涉及一种用于通过假捻方法同时拉伸和变形合成纱线的方法，包括在进入变形机的变形区之前通过交织装置将未拉伸或部分拉伸的纱线交织在一起。
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公开(公告)号：US4098115A
公开(公告)日：1978-07-04
申请号：US649166
申请日：1976-01-14
申请人： Michael Bueb , Edgar Muschelknautz
发明人： Michael Bueb , Edgar Muschelknautz
CPC分类号： G01L5/08
摘要： Yarn tension measuring device for the measurement of small yarn tensions at high yarn speed consisting of a measuring head with three guide elements comprising air cushioned runners and having very low moments of inertia, which does not at all or only very slightly alter the yarn tension.
摘要翻译： 用于测量高纱线速度下的小纱线张力的纱线张力测量装置，包括具有三个引导元件的测量头，该引导元件包括气垫滑动件，并且具有非常低的惯性矩，其完全不会或仅仅非常轻微地改变纱线张力。
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5.发明授权
公开(公告)号：US4622195A
公开(公告)日：1986-11-11
申请号：US586578
申请日：1984-03-06
摘要： Polyacrylonitrile filaments and fibers may be obtained without interruption by spinning the spinning solution into a hot-air spinning duct, washing, drawing, crimping, preparing, steaming, drying cooling and, optionally, cutting at a take-off rate kept at 150 to 400 m/minute and for a tow weight of from 10 to 100 g/m when(a) the washing process is carried out in several stages on the countercurrent principle and a vibrating duct is used for transporting the spun tow through the washing process,(b) drawing is carried out before and/or after washing in a steam atmosphere at 100.degree. to 120.degree. C.,(c) crimping is carried out in an aerodynamic crimping unit using a hot, gaseous medium under a pressure of from 5 to 16 bars and at a temperature in the range from 50.degree. to 210.degree. C.,(d) the preparation is continuously applied to the tow before, during or after crimping,(e) for steaming, the tow is transported through a steaming apparatus in folded form and in the absence of tension on a vibrating duct and, at the same time, treated with steam at 100.degree. to 120.degree. C.,(f) finally, the tow is dried in folded form on a belt dryer using hot air at 60.degree. to 180.degree. C., subsequently cooled with cold air to temperatures below 50.degree. C. and, optionally, delivered to a cutting machine.
摘要翻译： 可以通过将纺丝溶液旋转成热风纺丝管，洗涤，拉伸，卷曲，制备，蒸煮，干燥冷却和任选地以保持在150至400的起飞速率进行切割而获得聚丙烯腈长丝和纤维 （a）按照逆流原理在数个阶段进行洗涤过程，并且使用振动管道通过洗涤过程输送纺丝丝束（m / min，丝束重量为10-100g / m 2） b）在100-120℃的蒸汽气氛中洗涤之前和/或之后进行拉伸，（c）在空气动力学压接单元中使用热气体介质在5〜 16巴，温度范围为50至210℃，（d）在卷曲之前，期间或之后将制品连续施加到丝束上，（e）蒸汽时，丝束通过蒸汽装置 以折叠的形式和在没有紧张的情况下 振动管道，同时用100-120℃的蒸汽处理，（f）最后，使用60℃至180℃的热空气将丝束以折叠形式在带式干燥机上干燥，随后 用冷空气冷却到低于50℃的温度，并且任选地被输送到切割机。
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6.发明授权Method for producing textured filament yarns with improved yarn qualities from preorientated polyamide 6 失效从预取向聚酰胺6提高纱线质量的织造长丝纱线的方法6
公开(公告)号：US4103480A
公开(公告)日：1978-08-01
申请号：US776412
申请日：1977-03-10
CPC分类号： D02G1/0286
摘要： The invention is related to a method for producing texturized yarns from polyamide 6 which have small parts of a transitional structure in the .alpha.-modification in addition to the predominant .alpha.-modification, using a rapidly spun yarn in the .alpha.-modification, wherein a yarn with an elongation of 40 to 100% and a density of 1.130 to 1.140 is texturized at texturizing speeds of from 4000 to 1600 m/min at a temperature of from 170.degree. to 220.degree. C while maintaining a constant thread tension ratio of twister outlet to twister inlet of from 1 : 1.0 to 1 : 1.5 by means of a frictional twister while simultaneously stretching in a ratio of from 1 : 1.05 to 1 : 1.5.
摘要翻译： 本发明涉及一种用聚酰胺6制造增稠纱线的方法，该方法除了主要的α-改性之外，在α-改性中具有小部分过渡结构，其中使用在α-改性中的快速纺丝纱线，其中纱线 伸长率为40〜100％，密度为1.130〜1.140，在170〜220℃的温度下，以4000〜1600m / min的组织化速度进行组织化，同时保持捻线器出口恒定的线张力比 扭转器入口通过摩擦扭转器为1:1.0至1:1.5，同时以1:1.05至1:1.5的比例进行拉伸。
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7.发明授权Process for the production of stretch-textured yarns with improved properties 失效用于生产具有改进性能的拉伸变形纱线的方法
公开(公告)号：US4034548A
公开(公告)日：1977-07-12
申请号：US575704
申请日：1975-05-08
CPC分类号： D02G1/08
摘要： The present invention relates to a process for the simultaneous stretch-texturing of synthetic, at least partly thermoplastic filaments or yarns using false twisters, more especially friction false twisters wherein the ratio S.sub.2 /S.sub.1 between the tractive or tensile forces S.sub.1, acting on the filament before the false twister, and S.sub.2, acting on the filament after the false twister, is adjusted to from 1.0 to 1.4 by adapting the ratio between the rotational speed of the false twister and the rate of travel of the filament or yarn, and the denier-related twisting of the yarn is from 5 to 50% higher than the level of twisting which is normally applied in conventional false-twist texturing processes using a spindle and which can be calculated on the basis of the Heberlein formula. Moreover, the invention relates to a yarn produced by the afore-described process.
摘要翻译： 本发明涉及一种使用假捻器，特别是摩擦假捻机同时拉伸变形合成的至少部分热塑性长丝或纱线的方法，其中作用在丝线上的牵引力或拉力S1之间的比S2 / S1 在假捻器之前，S2，在假捻器之后作用在丝线上，通过使假捻器的转速与丝线或纱线的行进速率之比和尼尔值调整为1.0至1.4 纱线的相关扭转比通常在使用主轴的常规假捻加工工艺中应用的扭转水平高5至50％，并且可以基于Heberlein公式计算。 此外，本发明涉及通过上述方法制造的纱线。
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