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Electrospinning of tri-acetyl-beta-cyclodextrin (TA-beta-CD) functionalized low-density polyethylene to minimize sulfur odor volatile compounds
2019/11/27 21:44:49 admin
The study explored a new odor control method using Low-density polyethylene (LDPE) and Triacetyl-beta-cyclodextrin (TA-beta-CD) functionalized fiber mat. The odor control system was prepared using an electrospinning process. Based on the image obtained from a scanning electron microscope (SEM), the fiber diameter of the pure LDPE and TA-beta-CD loaded LDPE fibers were found about 1.31-4.92 mu m, depending on the TA-beta-CD concentration. The presence of TA-beta-CD in the fibered film mat was verified using FTIR. Hydrophobicity of the fiber mat was measured by water contact angle (WCA). The result indicates a slight inverse relationship between WCA and TA-beta-CD concentration after 5% loading. Finally, the odors absorbing effectiveness of this system was examined using GC-MS. Three target sulfur odor compounds, including dimethyl disulfide (DMDS), dimethyl sulfide (DMS), and carbon disulfide (CDS), were effectively removed using the TA-beta-CD functionalized LDPE fiber mat. Especially, the reduction of DMDS was up to 90.33%. The result suggested that tailoring electrospun LDPE and TA-beta-CD fiber mat has a strong potential to be used as an active packaging material to develop the offodor removal system for food or healthcare packaging application.
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