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    • 48. 发明授权
    • Sponge towel based on cellulose and a method for producing the same
    • 基于纤维素的海绵巾及其制造方法
    • US07189667B1
    • 2007-03-13
    • US09554733
    • 1998-11-25
    • Leo MansKlaus-Dieter Hammer
    • Leo MansKlaus-Dieter Hammer
    • D04H1/00D04H3/00B32B29/00B32B5/02
    • D04H1/425B29C67/202C08L1/02C08L2205/16Y10T442/2033Y10T442/2525Y10T442/696
    • The invention relates to a sponge cloth based on cellulose and having an internal reinforcement, obtainable by the amine oxide process. In the process, a solution of cellulose in an aqueous amine oxide is first produced, which is then mixed with at least one pore former and fibers. The mixture is spread on a conveyor belt which is then guided through a coagulating bath comprised of a diluted aqueous amine oxide solution whose temperature is high enough such that the pore former melts and is dissolved out. Remaining amine oxide is washed out. After subsequent drying the sponge cloth layer is end-itemed. Contrary to the viscose process polymer degradation does not occur in the inventive process which results in a sponge cloth having an improved mechanical stability. A plastic net can replace the fiber reinforcement. The process is especially ecological and economical. The sponge cloth is highly water-absorbent and can be used for household or industrial purposes, especially for cleaning and decontaminating purposes.
    • 本发明涉及一种基于纤维素并具有可通过氧化胺方法获得的内部增强物的海绵布。 在此过程中,首先制备纤维素在氧化胺水溶液中的溶液,然后将其与至少一种成孔剂和纤维混合。 将混合物铺展在传送带上,然后将其引导通过由温度足够高的稀释的氧化胺水溶液组成的凝固浴,使得成孔剂熔化并溶出。 剩余的氧化胺被洗掉。 随后干燥之后,海绵布层是最终制成的。 与粘胶工艺相反,本发明方法中不会发生聚合物降解,这导致海绵布具有改进的机械稳定性。 塑料网可以代替纤维增强。 这个过程特别生态经济。 海绵布是高吸水性的,可用于家庭或工业用途,特别是用于清洁和净化目的。
    • 49. 发明授权
    • Method and apparatus for the manufacture of a tube made of film on a cellulose basis which an insert reinforces
    • 用于制造基于纤维素的薄膜管的方法和装置,其中插入物加强
    • US06797100B1
    • 2004-09-28
    • US09787416
    • 2001-06-15
    • Herbert GordKlaus-Dieter HammerHelmut SattlerRainer Neeff
    • Herbert GordKlaus-Dieter HammerHelmut SattlerRainer Neeff
    • B29C5336
    • B29C47/8895B29C47/0026B29C47/023B29C47/908Y10T156/1013Y10T156/1798
    • The invention relates to a film tube (10) based on cellulose which is produced by extruding an aqueous cellulose-N-methyl-morpholine-N-oxide (NMMO) solution through a ring nozzle (21) onto a lining (3). The film tube (10) is manufactured by means of a vertically descending spinning in a spinning vat (12) in which a spinning bath (11) is located. The film tube (10) which is submerged in the spinning bath (11) passes through an air gap (9) between the underside of a nozzle block (7) and the upper surface of the spinning bath (11) and, internally, is pressurized, supported and slightly stretched in a transversal manner by compressed air. The film tube (10) is filled with an inner bath solution (31) via a supply tube (18). An idle roller (13) is situated near the bottom of the spinning vat (12) in order to guide the film tube (10) around and, afterwards, out of the spinning vat (12) in an upward sloping manner. The film tube is laid flat along a contact section (27) of the idle roller (13).
    • 本发明涉及一种基于纤维素的薄膜管(10),其通过将环形喷嘴(21)挤出纤维素-N-甲基吗啉-N-氧化物(NMMO)溶液到衬里(3)而制备。 薄膜管(10)通过在其中设置有纺丝浴(11)的纺丝槽(12)中通过垂直下降的纺丝制造。 浸没在纺丝浴(11)中的薄膜管(10)穿过喷嘴块(7)的下侧和纺丝浴(11)的上表面之间的气隙(9),内部是 通过压缩空气以横向加压,支撑和稍微拉伸。 膜管(10)通过供给管(18)填充有内浴溶液(31)。 空转辊(13)位于纺丝槽(12)的底部附近,以便以向上倾斜的方式将胶片管(10)引导到纺丝槽(12)周围。 薄膜管沿空转辊(13)的接触部分(27)平放。