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The Preparation and Characterization of Poly(m-phenyleneisophthalamide) Fibers Using Ionic Liquids

机译:离子液体制备聚间苯二甲酰间苯二甲酰胺纤维及其表征

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摘要

A process to produce fibers from Poly(m-phenyleneisophthalamide)(PMIA) solution in an ionic liquid via wet-spinning technology are described. The spinning process was investigated on a small laboratory scale. Ionic liquid spinning solutions were first prepared for PMIA fibers, followed by wet spinning. In the course of this research, the physical properties of the PMIA fibers were estimated. We studied the dependence of the mechanical properties of the obtained PMIA fibers on the composition of the coagulation bath, and on the choice of solvent in spinning solution. The morphology of the fibers from ionic liquid and traditional DMAc solvents via wet-spinning process were observed by scanning electrical microscopy(SEM). The differences of morphologies and properties of the PMIA fibers obtained from two different solvents are discussed.
机译:描述了一种通过湿纺技术由离子液体中的聚间苯二甲酰间苯二甲酰胺(PMIA)溶液生产纤维的方法。在小型实验室范围内对纺丝工艺进行了研究。首先为PMIA纤维制备离子液体纺丝溶液,然后进行湿纺。在这项研究过程中,估计了PMIA纤维的物理性质。我们研究了所得PMIA纤维的机械性能对混凝浴组成以及纺丝溶液中溶剂的选择的依赖性。通过扫描电镜(SEM)观察了离子液体和传统DMAc溶剂经湿纺工艺后纤维的形貌。讨论了由两种不同溶剂制得的PMIA纤维的形貌和性能差异。

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