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首页> 外文期刊>Cellulose >Understanding key wet spinning parameters in an ionic liquid spun regenerated cellulosic fibre
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Understanding key wet spinning parameters in an ionic liquid spun regenerated cellulosic fibre

机译：了解离子液体纺制纤维素纤维中的关键湿纺参数

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The use of ionic liquid solvents for the spinning of regenerated cellulose fibres has the potential to produce both technical and textile grade regenerated cellulose fibres. When spinning fibres, many parameters impact the material properties of the spun fibre. In this study, key wet spinning parameters have been investigated for the development of regenerated cellulose fibres from ionic liquid solutions. The coagulation and associated diffusion equilibrium were calculated for two imidazolium-based ILs, and it was found that the anion largely influenced the coagulation kinetics. This was likely due to the association between the anion of the IL and cellulose. The orientation of the polymer chains is known to influence the mechanical properties greatly; previously, hot stretching was used to orientate cellulose acetate. Here we investigated this influence on the mechanical properties of regenerated cellulose fibres by applying a post stretch at different stretch ratios.
机译：将离子液体溶剂用于再生纤维素纤维的纺丝具有生产工业级和纺织级再生纤维素纤维的潜力。在纺制纤维时，许多参数会影响纺制纤维的材料性能。在这项研究中，已研究了关键的湿纺参数，以开发由离子液体溶液再生的纤维素纤维。计算了两个咪唑基离子液体的凝结和相关的扩散平衡，发现阴离子在很大程度上影响了凝结动力学。这可能是由于IL的阴离子和纤维素之间的缔合。已知聚合物链的取向会极大地影响机械性能。以前，热拉伸用于使乙酸纤维素取向。在这里，我们通过以不同的拉伸比施加后拉伸，研究了这种对再生纤维素纤维机械性能的影响。

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