Preparation and properties of the electrospun dodecanol dodecanoate@polyvinyl alcohol thermo-regulated fibers

SHI Feng; ZHANG Guoqing; LIU Guojin; ZHOU Lan

doi:10.13801/j.cnki.fhclxb.20201022.002

Volume 38 Issue 8

Aug. 2021

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SHI Feng, ZHANG Guoqing, LIU Guojin, et al. Preparation and properties of the electrospun dodecanol dodecanoate@polyvinyl alcohol thermo-regulated fibers[J]. Acta Materiae Compositae Sinica, 2021, 38(8): 2517-2526. doi: 10.13801/j.cnki.fhclxb.20201022.002

Citation:

SHI Feng, ZHANG Guoqing, LIU Guojin, et al. Preparation and properties of the electrospun dodecanol dodecanoate@polyvinyl alcohol thermo-regulated fibers[J]. Acta Materiae Compositae Sinica, 2021, 38(8): 2517-2526. doi: 10.13801/j.cnki.fhclxb.20201022.002

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Preparation and properties of the electrospun dodecanol dodecanoate@polyvinyl alcohol thermo-regulated fibers

doi: 10.13801/j.cnki.fhclxb.20201022.002

SHI Feng^1
,,
ZHANG Guoqing^{1, 2
,},
LIU Guojin^1
,,
ZHOU Lan^{1, 2
,
,}

1.
College of Textile Science and Engineering (International Institute of Silk), Zhejiang Sci-tech University, Hangzhou 310018, China
2.
Shangyu Industrial Technology Research Institute CO. LTD., Zhejiang Sci-Tech University, Shaoxing 312300, China

Received Date: 2020-08-27
Accepted Date: 2020-10-16

Available Online: 2020-10-22

Publish Date: 2021-08-15

Abstract

Abstract

With dodecanol dodecanoate as the phase change material (PCM) and polyvinyl alcohol (PVA) as the supporting material, the dodecanol dodecanoate@PVA thermo-regulated fibers were prepared by emulsion electrospinning technology. The SEM, TEM, DSC, TGA, mini temperature recorder and infrared thermal imager were applied to study the composition of the spinning solution and the surface morphology, latent heat value, thermal stability, temperature regulating properties, mechanical property and water solubility of the electrospun fibers. The results show that with 10.0wt% of PVA and dodecanol dodecanoate∶PVA mass ratio of 50%, the spinning solution has better stability and spinnability. The dodecanol dodecanoate@PVA electrospun fibers have apparent core-sheath structure, and the thermal decomposition temperature of PCM in the fibers is 20℃ higher than the pure PCM, displaying good thermal stability. The latent heat value of dodecanol dodecanoate@PVA electrospun fibers is about 63 J/g, showing good heat storage and temperature regulation performance in cooling process and thermal infrared imaging test. After the crosslinking with glutaraldehyde, the thermal stability of the support material in the electrospun fibers is significantly enhanced, and the mechanical properties and water solubility of the fibers have notable improvement.
- polyvinyl alcohol,
- phase change materials,
- dodecanol dodecanoate,
- electrospinning,
- thermo-regulated fiber
Long Abstrsct
Innovation Points

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References(23)

References

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