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具有相变储能和发光性能的双功能超细复合纤维的制备与表征。

Fabrication and characterization of dual-functional ultrafine composite fibers with phase-change energy storage and luminescence properties.

机构信息

Tianjin Polytechnic University, 300387 Tianjin, P.R. of China.

State Key Laboratory of Separation Membranes and Membrane Processes, Tianjin 300387, P.R. of China.

出版信息

Sci Rep. 2017 Jan 9;7:40390. doi: 10.1038/srep40390.

DOI:10.1038/srep40390
PMID:28067299
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC5220296/
Abstract

Ultrafine composite fibers consisting of a thermoplastic polyurethane solid-solid phase-change material and organic lanthanide luminescent materials were prepared through a parallel electrospinning technique as an innovative type of ultrafine, dual-functional fibers containing phase-change and luminescent properties. The morphology and structure, thermal energy storage, and luminescent properties of parallel electrospun ultrafine fibers were investigated. Scanning electron microscopy (SEM) images showed that the parallel electrospun ultrafine fibers possessed the desired morphologies with smaller average fiber diameters than those of traditional mixed electrospun ultrafine fibers. Transmission electron microscopy (TEM) images revealed that the parallel electrospun ultrafine fibers were composed of two parts. Polymeric phase-change materials, which can be directly produced and spun, were used to provide temperature stability, while a mixture of polymethyl methacrylate and an organic lanthanide complex acted as the luminescent unit. Differential scanning calorimetry (DSC) and luminescence measurements indicated that the unique structure of the parallel electrospun ultrafine fibers provides the products with good thermal energy storage and luminescence properties. The fluorescence intensity and the phase-change enthalpy values of the ultrafine fibers prepared by parallel electrospinning were respectively 1.6 and 2.1 times those of ultrafine fibers prepared by mixed electrospinning.

摘要

由热塑性聚氨酯固-固相变材料和有机镧系发光材料组成的超细复合纤维通过平行静电纺丝技术制备，作为一种具有相变和发光性能的新型超细双功能纤维。研究了平行静电纺超细纤维的形态和结构、热能存储和发光性能。扫描电子显微镜（SEM）图像显示，平行静电纺超细纤维具有所需的形态，平均纤维直径小于传统混合静电纺超细纤维。透射电子显微镜（TEM）图像表明，平行静电纺超细纤维由两部分组成。可直接生产和纺丝的聚合物相变材料提供温度稳定性，而聚甲基丙烯酸甲酯和有机镧系配合物的混合物则作为发光单元。差示扫描量热法（DSC）和发光测量表明，平行静电纺超细纤维的独特结构为产品提供了良好的热能存储和发光性能。通过平行静电纺丝制备的超细纤维的荧光强度和相变焓值分别是通过混合静电纺丝制备的超细纤维的 1.6 倍和 2.1 倍。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0131/5220296/468d9d200425/srep40390-f8.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0131/5220296/06ce35019c70/srep40390-f1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0131/5220296/c7479d727470/srep40390-f2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0131/5220296/d70bbdf02632/srep40390-f3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0131/5220296/ef4a7e1f4cc9/srep40390-f4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0131/5220296/a7b79e3d9338/srep40390-f5.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0131/5220296/86d4268a5279/srep40390-f6.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0131/5220296/d8a1c5d7c798/srep40390-f7.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0131/5220296/468d9d200425/srep40390-f8.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0131/5220296/06ce35019c70/srep40390-f1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0131/5220296/c7479d727470/srep40390-f2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0131/5220296/d70bbdf02632/srep40390-f3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0131/5220296/ef4a7e1f4cc9/srep40390-f4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0131/5220296/a7b79e3d9338/srep40390-f5.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0131/5220296/86d4268a5279/srep40390-f6.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0131/5220296/d8a1c5d7c798/srep40390-f7.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0131/5220296/468d9d200425/srep40390-f8.jpg

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