A novel Eu(BPA)Phen/PA6 fiber with high luminescence efficiency and heat stability

In this paper, by introducing bisphenol A into rare earth-Eu3+ and 1,10-Phenanthroline, Eu(BPA)Phen complex was prepared by the solvothermal reaction. Then, a novel Eu(BPA)Phen/PA6 fiber with high luminescence efficiency and heat stability was prepared by the melt spinning method successfully. The i...

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Veröffentlicht in:Polymer (Guilford) 2022-06, Vol.251, p.124777, Article 124777
Hauptverfasser: Han, Ying, Bao, Da, Wang, Yan, Guo, Jing, Qin, Minglin, Zhang, Jingjing, Zhang, Sen
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Sprache:eng
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Zusammenfassung:In this paper, by introducing bisphenol A into rare earth-Eu3+ and 1,10-Phenanthroline, Eu(BPA)Phen complex was prepared by the solvothermal reaction. Then, a novel Eu(BPA)Phen/PA6 fiber with high luminescence efficiency and heat stability was prepared by the melt spinning method successfully. The intermolecular and intramolecular hydrogen bonding, crystalline structure, orientation behavior and surface morphology of Eu(BPA)Phen/PA6 fiber were characterized by FT-IR, XRD and SEM respectively. Meanwhile, rheological behavior, thermal-stability, mechanical performance and photoluminescence properties of Eu(BPA)Phen/PA6 fiber were investigated systematically. It is found that there is a strong hydrogen bonding interaction inside Eu(BPA)Phen/PA6 composite system. The incorporation of Eu(BPA)Phen complex has no effect on the crystalline structure, viscosity and mechanical properties of the Eu(BPA)Phen/PA6 fiber, and these properties are basically the same as the original PA6 fiber. And the Eu(BPA)Phen complex has good dispersibility in the PA6 matrix, and the surface of Eu(BPA)Phen/PA6 fiber is smooth and uniform. Compared with the original Eu(BPA)Phen complex, the photoluminescence efficiency of Eu(BPA)Phen/PA6 fiber increased by about 14 times, and the decomposition temperature of Eu(BPA)Phen/PA6 fiber increases by about 20 °C in the comparation of pure PA6. It means that the prepared Eu(BPA)Phen/PA6 fiber possesses outstanding luminous efficiency and thermal stability without reducing processing and mechanical performance. Thus, it has potential applications in color displays and sensor systems. [Display omitted] •The luminescent PA6/Eu(BPA)Phen fiber was successfully prepared using the melt spinning method.•Compared with the Eu(BPA)Phen complex, the photoluminescence efficiency of Eu(BPA)Phen/PA6 fiber rises by about 14 times.•The thermal decomposition temperature of PA6/Eu(BPA)Phen fiber reaches 420 °C.
ISSN:0032-3861
1873-2291
DOI:10.1016/j.polymer.2022.124777