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Phosphor powders‐incorporated polylactic acid polymeric composite used as 3D printing filaments with green luminescence properties
Author(s) -
Wan Meiling,
Jiang Xiao,
Nie Jianliang,
Cao Qingyun,
Zheng Wenxu,
Dong Xianming,
Fan Z. Hugh,
Zhou Wuyi
Publication year - 2020
Publication title -
journal of applied polymer science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.575
H-Index - 166
eISSN - 1097-4628
pISSN - 0021-8995
DOI - 10.1002/app.48644
Subject(s) - polylactic acid , composite number , materials science , composite material , nanocomposite , phosphor , luminescence , compatibility (geochemistry) , chemical engineering , polymer , optoelectronics , engineering
A new class of multifunctional nanocomposites holds strong potential in three‐dimensional (3D) printing. In this study, SrAl 2 O 4 :Eu 2+ ,Dy 3+ powders with fluorescence property were modified with SiO 2 to improve its dispersibility and compatibility in the polylactic acid (PLA) matrix. The composite filaments with a diameter of 1.75 ± 0.05 mm containing 2 wt % of modified particles were prepared by a melt blending method. The fluorescent analysis reveals that the composite filaments can be excited by light with a broad band of wavelength from 345 to 455 nm with the highest excitation intensity at 426 nm and have a major emission peak at 487 nm. The morphological analysis and mechanical performance testing on the printed samples showed that modified particles were uniformly dispersed within the PLA matrix and improved the mechanical properties of the composite filaments. Moreover, the modified particles improved hydrophobic behavior and antibacterial properties in comparison with unmodified composite. Therefore, the composite material will have potential applications such as making prototypes for customized furniture and accessories by 3D printing technology. © 2019 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2020 , 137 , 48644.