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    • 2. 发明授权
    • Process of making flexible cellulose fibers
    • 制造柔性纤维素纤维的工艺
    • US5618483A
    • 1997-04-08
    • US469426
    • 1995-06-06
    • Peter WeigelAlbrecht BauerKonrad FriggeJurgen GensrichWolfgang Wagenknecht
    • Peter WeigelAlbrecht BauerKonrad FriggeJurgen GensrichWolfgang Wagenknecht
    • D01F2/00D01D10/06D01F1/10D01F2/24
    • D01F2/00
    • This invention relates to flexible cellulose fibers with a reduced modulus and a decreased NMR degree of order, particularly for use in the textile field, which are obtained by pressing out solutions of the cellulose in hydrous NMMNO through spinning nozzles along an air travel into an NMMNO-containing aqueous and/or alcoholic precipitation bath as well as by a conventional rinsing, aftertreatment and drying, with strengths of between 15 and 50 cN/tex, and to a process for their production. According to the invention, these flexible cellulose fibers have an initial modulus of less than 1,500 cN/tex, and the relationship of the heights of the lines at 88 ppm and 85 ppm above the spectrum base line in the highly resolved .sup.13 C-NMR solid-body spectrum is .ltoreq.1. Furthermore, these flexible cellulose fibers are obtained by means of a process in which specified hydrophilic, low-molecular weight, organic additives, which are soluble in the polymer solution and have mainly nitrogen-containing groupings are added in defined amounts to the spinning solution of the cellulose as well as to the precipitation bath.
    • 本发明涉及具有降低的模量和降低的NMR程度的柔性纤维素纤维,特别是在织物领域中使用的柔软纤维素纤维,其通过将空气NMMNO中的纤维素溶液通过纺丝喷嘴沿空气行进压入NMMNO而获得 的含水和/或醇沉淀浴,以及通过常规冲洗,后处理和干燥,强度为15至50cN / tex,以及其生产方法。 根据本发明,这些柔性纤维素纤维的初始模量小于1500cN / tex,高分辨13C-NMR固体中的光谱基线以上88ppm和85ppm处的线的高度之间的关系, 身体光谱为