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Nanomaterials 2017, 7(3), 60;

Fabrication of Functional Polyurethane/Rare Earth Nanocomposite Membranes by Electrospinning and Its VOCs Absorption Capacity from Air

Division of Mechanical Design Engineering, Chonbuk National University, 567 Baekje-daero, Jeonjusi 561-756, Jeollabuk-do, Korea
Author to whom correspondence should be addressed.
Academic Editor: Stephen Ralph
Received: 30 December 2016 / Revised: 8 February 2017 / Accepted: 7 March 2017 / Published: 11 March 2017
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Volatile organic compounds (VOCs) are a source of air pollution and are harmful to both human health and the environment. In this study, we fabricated polyurethane/rare earth (PU/RE) composite nanofibrous membranes via electrospinning with the aim of removing VOCs from air. The morphological structure of PU/RE nanofibrous mats was investigated using field emission scanning electron microscopy (FE-SEM), fourier transform infrared spectroscopy (FTIR), and X-ray diffraction (XRD) experimental analyses. A certain amount of RE (up to 50 wt. % compared to PU pellets) nanoparticles (NPs) could be loaded on/into PU fibers. The tensile strength of PU/RE nanofibrous membranes decreased slightly with the increasing RE powder content. The PU nanofiber containing 50 wt. % RE powder had the smallest fiber diameter of 356 nm; it also showed the highest VOC absorption capacity compared with other composite membranes, having an absorption capacity about three times greater than pure PU nanofibers. In addition, all of the PU/RE nanofibrous membranes readily absorbed styrene the most, followed by xylene, toluene, benzene and chloroform. Therefore, the PU/RE nanofibrous membrane can play an important role in removing VOCs from the air, and its development prospects are impressive because they are emerging materials. View Full-Text
Keywords: electrospinning; polyurethane; rare earth; nanocomposites; VOCs electrospinning; polyurethane; rare earth; nanocomposites; VOCs

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Ge, J.C.; Choi, N.J. Fabrication of Functional Polyurethane/Rare Earth Nanocomposite Membranes by Electrospinning and Its VOCs Absorption Capacity from Air. Nanomaterials 2017, 7, 60.

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