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Electrically conductive yarns based on PVA/carbon nanotubes

机译：基于PVA /碳纳米管的导电纱

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摘要

Electrically conductive yarns from carbon nanotubes (CNTs) and polyvinyl alcohol (PVA) were prepared by two different methods, wet-spinning and coating processes. For the wet-spinning process, the CNTs/PVA mixed solution was extruded into a coagulant bath which contained high concentration coagulating agent. The coating process was carried out on five common fibers, including natural fibers and synthetic fibers, by using a blend of CNTs and PVA. Then, the conductive yarns were treated by an acetylization process in order to decrease the solubility of PVA to water. Their conductivity and the mechanical property were investigated. Additionally, the influence of acidic hydrolysis by strong acids used for the acetylization process on mechanical properties of the materials was investigated.
机译：由碳纳米管（CNT）和聚乙烯醇（PVA）制成的导电纱线是通过两种不同的方法制备的，即湿纺和涂覆工艺。对于湿纺过程，将CNTs / PVA混合溶液挤出到含有高浓度凝结剂的凝结浴中。通过使用CNT和PVA的混合物，对五种普通纤维（包括天然纤维和合成纤维）进行涂覆过程。然后，为了降低PVA在水中的溶解度，对导电丝进行乙酰化处理。研究了它们的电导率和机械性能。此外，还研究了用于乙酰化过程的强酸进行酸性水解对材料机械性能的影响。

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