Development of PLA/PEG Thermal Regulation Nanofibers Based on Coaxial Electrospinning and Exploration of Inner Spinning Solution Concentration 


Vol. 25,  No. 10, pp. 3699-3710, Oct.  2024
10.1007/s12221-024-00702-5


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  Abstract

To develop thermal regulation nanofbers, this work used polyethylene glycol (PEG) solution and polylactic acid (PLA) solution as the inner and outer spinning fuids and developed PLA/PEG (PoPi ) nanofbers using coaxial electrospinning process. Through XRD, FTIR, and water contact angle analysis, it was confrmed that the PLA of PoPi has a certain encapsulation efect on the inner layer of PEG, but the encapsulation efect decreases with the increase of PEG spinning solution concentration. PEG20 with a PEG spinning solution concentration of 20 wt% obtained smaller average diameters, while PEG40 with a PEG spinning solution concentration of 40 wt% showed a signifcant decrease in fber formability and hydrophobicity. PEG signifcantly improved the mechanical properties of PoPi , and the Young’s modulus, yield stress, breaking stress, and breaking strain of PEG30 were increased by 18.24 MPa, 2.13 MPa, 3.54 MPa, and 41.65%, respectively, compared to pure PLA. The DSC curves of PoPi show a melting endothermic peak attributed to PEG, and the peak temperature gradually decreases with increasing PEG concentration. The PoPi exhibits temperature hysteresis during both heating and cooling processes, with PEG30 experiencing delays of 7.6 °C and 6.8 °C compared to pure PLA after heating and cooling for 5 s, respectively, indicating excellent thermal regulation ability. This work investigated the efect of PEG spinning solution concentration on inner and outer layer diferences and the performance of PoPi , providing a theoretical basis for the development of coaxial electrospinning nanofbers for thermal regulation based on low-molecular-weight PEG.

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  Cite this article

[IEEE Style]

X. Wang, B. Hu, Y. Peng, Y. Chen, J. Ma, F. Xu, Y. Zhang, M. Zhai, X. Wang, W. Shao, "Development of PLA/PEG Thermal Regulation Nanofibers Based on Coaxial Electrospinning and Exploration of Inner Spinning Solution Concentration," Fibers and Polymers, vol. 25, no. 10, pp. 3699-3710, 2024. DOI: 10.1007/s12221-024-00702-5.

[ACM Style]

Xu Wang, Baoji Hu, Yike Peng, Yirui Chen, Jingyu Ma, Feiyang Xu, Yifan Zhang, Manan Zhai, Xu Wang, and Weili Shao. 2024. Development of PLA/PEG Thermal Regulation Nanofibers Based on Coaxial Electrospinning and Exploration of Inner Spinning Solution Concentration. Fibers and Polymers, 25, 10, (2024), 3699-3710. DOI: 10.1007/s12221-024-00702-5.

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pISSN : 1229 - 9197
eISSN : 1875 - 0052

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