Journal
POLYHEDRON
Volume 159, Issue -, Pages 54-63Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.poly.2018.11.040
Keywords
Polyester textile; Silane; Oil-water separation; Chemical vapor deposition; Superhydrophobicity
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Funding
- Research Council of the Yasouj University [89111304]
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Oil-water separation is an important concept because of the growing effluents of industrial oily wastewater and frequent oil spills. Recently, oil-water separation routes have been developed by changing the wettability of membranes via surface modifications. Herein, a facile, handmade and rapid chemical vapor deposition method to make a PVC-top-coated textile for separating oil from oil-water mixtures is reported by using DMDCS as the coating. The tuning of the CVD process parameters (efficient reaction time and DMDCS concentration) enables the textile surface to have superhydrophobicity and super-oleophilicity properties. These properties were evaluated by the contact angle measurement and practical tests. The FESEM, EDAX, ATR, TGA, and AFM analyses were also presented to characterize the coated textile. The successful separation of a 20 mL oil-water solution, without any external force, in 4 min was achieved. Results from the study also reveal that the coated textile has self-cleaning, high reusability, and an average intrusion pressure of 1.36 kPa features. The fabrication of silicone layer on the surface of the textile with silanes proved to be a simple route for the preparation of the superhydrophobic membranes. (C) 2018 Elsevier Ltd. All rights reserved.
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