Investigation of Parameters for Preparing Nanofiber Yarn via a Stepped Airflow-assisted Electrospinning 


Vol. 19,  No. 10, pp. 2169-2177, Oct.  2018
10.1007/s12221-018-8387-5


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  Abstract

Electrospinning is a simple and cost-effective method to prepare fiber with nanometer scale. More importantly, 3D flexible nanofiber yarns that fabricated by electrospinning have shown excellent application prospects in smart textiles, wearable sensors, energy storage devices, tissue engineering, and so on. However, current methods for preparing electrospinning nanofiber yarns had some limitations, including low yarn yield and poor yarn structure. In this paper, a stepped airflow-assisted electrospinning method was designed to prepare continuously twisted nanofiber yarn through introducing stepped airflow into traditional electrospinning system. The stepped airflow could not only help to improve nanofiber yield, but also good for controlling the formed nanofibers to be deposited in a small area. In addition, the experimental methods of single factor variables were used to study the effects of stepped airflow pressure, applied voltage, spinning distance, solution flow rate, air pumping volume and friction roller speed on nanofiber yarn yield, nanofiber diameter, yarn twist and mechanical property. The results showed that prepared nanofiber yarns exhibited perfect morphologies and the yield of nanofiber yarn could reach to a maximum of 4.207 g/h. The breaking strength and elongation at break of the prepared yarn could reach to 23.52 MPa and 30.61 %, respectively.

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  Cite this article

[IEEE Style]

Y. Zhou, H. Wang, J. He, K. Qi, B. Ding, S. Cui, "Investigation of Parameters for Preparing Nanofiber Yarn via a Stepped Airflow-assisted Electrospinning," Fibers and Polymers, vol. 19, no. 10, pp. 2169-2177, 2018. DOI: 10.1007/s12221-018-8387-5.

[ACM Style]

Yuman Zhou, Hongbo Wang, Jianxin He, Kun Qi, Bin Ding, and Shizhong Cui. 2018. Investigation of Parameters for Preparing Nanofiber Yarn via a Stepped Airflow-assisted Electrospinning. Fibers and Polymers, 19, 10, (2018), 2169-2177. DOI: 10.1007/s12221-018-8387-5.

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