Preparation and properties of composite phase-change nanofiber membrane by improved bubble electrospinning
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Published:2021-05-01
Issue:5
Volume:8
Page:055011
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ISSN:2053-1591
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Container-title:Materials Research Express
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language:
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Short-container-title:Mater. Res. Express
Author:
Zhao LeiORCID,
Zhao Jumei,
Jiang Weiqing,
Zhou HongtaoORCID,
He Jihuan
Abstract
Abstract
Bubble electrospinning technology can be used for mass production of nanofibers, it has been widely used in polymer electrospinning such as PVA, PVP and PAN, but there are no reports on the preparation of composite phase-change nanofibers by this method. In this paper, the transparent solution 1(PEG was put into formic acid according to the mass fraction of 60%) was mixed with the transparent solution 2 (PA66 was put into formic acid according to the mass fraction of 15%) according to the mass ratio of 15:85 , 25:75 , 35:65 and 45:55 to prepare four kinds of spinning solutions. And the pure PA66 nanofiber membrane(PNM) and PA66/PEG composite nanofiber membrane(PGCNM) were fabricated by the improved bubble electrospinning device on the basis of bubble electrospinning device invented by He Jihuan etc Also we analyzed their surface microstructure and tested their mechanical properties, thermal properties and molecular structure. The lower the content of PA66, the smaller the adhesion granular matter on the nanofiber surface and the thicker the diameter of the nanofiber, but the surface of the nanofiber is more smooth. The PGNCM appeared double absorption peak at 1515.5 cm−1 and 1642 cm−1 and existed weak absorption peak at 3298 cm−1 ∼ 3302 cm−1. The tensile strength and the elongation at break of the PGNCM was less than that of the PNM. The hot decomposition process of the PGNCM was composed the melting exothermic process of PEG and PA66. When the mixed ratio between PA66 and PEG was 15:85, the decomposition rate of residues between 210 ∼ 310 °C was the fastest.
Funder
Platform of Industry and Education of Jiangsu Higher Vocational Education
Jiangsu Province Higher Vocational Education High-level Major Group Construction Project-Modern Textile Technology Major Group
project supported by scientific research fund of Yancheng Polytechnic College
Deeply Intergrated Training Platform of Industry and Education of Jiangsu Higher Vocational Education
Qing Lan Project of Jiangsu Colleges and Universities for Young Academic Leaders
Integration Platform of Industry and Education of Jiangsu H-igher Vocational Education
Subject
Metals and Alloys,Polymers and Plastics,Surfaces, Coatings and Films,Biomaterials,Electronic, Optical and Magnetic Materials
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