Superhydrophobic Treatment of Polyurethane Sponge and Its Application in Oil-water Separation
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Published
Dec 18, 2019
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1-9
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Fan Li
School of Chemical Engineering, East China University of Science and Technology, Shanghai 200237, China.
Wenhong Wang
School of Chemical Engineering, East China University of Science and Technology, Shanghai 200237, China.
Jie Wang
School of Chemical Engineering, East China University of Science and Technology, Shanghai 200237, China.
Yangfeng Peng
School of Chemical Engineering, East China University of Science and Technology, Shanghai 200237, China.
Abstract
The superhydrophobicity of the polyurethane sponge was realized by attaching the complex of copper and mercaptan on the outer surface of the polyurethane sponge. As a special case, the complex of 1-dodecanthiol and copper chloride was intensively investigated in this study, with emphasis on the influences of concentration, temperature and residence time on the reaction. SEM and EDS were used to analyze the surface structure and elemental composition of the sponge. The superhydrophobicity of the sponge are contributed by the rough treatment on sponge surface. It is found that a large number of long carbon chains appear on the surface reduces the surface energy. The wettability of the surface was determined by a contact angle meter. The material demonstrates great oil-water separation performance and high repeatability in superhydrophobicity during the the separation process of oil and water before first 39 times.
Keywords:
Superhydrophobicity, polyurethane sponge, oil/water separation, wettability.
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References
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DOI:10.1007/s13131-017-1135-7
Sugar-Derived Phase-Selective Molecular Gelators as Model Solidifiers for Oil Spills [J]. Angewandte Chemie. 2010;122(42): 7861-7864.
DOI:10.1002/ange.201002 095
Abdel-Gawad S, Abdel-Shafy M. Pollution control of industrial wastewater from soap and oil industries: A case study [J]. Water Science and Technology. 2002;46(4-5):77-82.
DOI:10.2166/wst.2002.0556
Wang Q, Cui Z, Xiao Y, et al. Stable highly hydrophobic and oleophilic meshes for oil–water separation [J]. Applied Surface Science. 2007;253(23):9054-9060.
DOI:10.1016/j.apsusc.2007.05.030
Choi HM, Cloud RM. Natural sorbents in oil spill cleanup [J]. Environmental Science & Technology. 1992;26(4):772-776.
DOI:10.1021/es00028a016
Dalton T, Jin D. Extent and frequency of vessel oil spills in US marine protected areas [J]. Marine Pollution Bulletin. 2010; 60(11):1935-1945.
DOI:10.1016/j.marpolbul.2010.07.036
Schaum J, Cohen M, Perry S, et al. Screening level assessment of risks due to dioxin emissions from burning oil from the BP deep water horizon gulf of mexico spill [J]. Environmental Science and Technology. 2010;44:(24):9383-9389.
DOI:10.1021/es103559w
Anastopoulos G. Investigation of the effectiveness of absorbent materials in oil spills clean up [J]. Desalination. 2001; 140(3):259-264.
DOI:10.1016/S0011-9164(01) 00375-7
Xue Z, Cao Y, Liu N, et al. Special Wettable Materials for Oil/Water Separation [J]. Journal of Materials Chemistry A. 2014;2(8):2445-2460.
DOI:10.1039/C3TA13397D
Crick CR, Gibbins JA, Parkin IP. Superhydrophobic polymer-coated copper-mesh; membranes for highly efficient oil–water separation [J]. Journal of Materials Chemistry A. 2013;1(19):5943-5948.
DOI:10.1039/c3ta10636e
Cortese B, Caschera D, Federici F, et al. Superhydrophobic fabrics for oil–water separation through a diamond like carbon (DLC) coating [J]. Journal of Materials Chemistry A. 2014;2.
DOI:10.1039/C4TA00450G
Zhang J, Huang W, Han Y. A Composite Polymer Film with both Superhydro-phobicity and Superoleophilicity [J]. Macromolecular Rapid Communications. 2006;27(10):804-808.
DOI:10.1002/marc.200500842
Zhang XX, Wang Y Y, Gu L, et al. Superhydrophobic Surface Modified by Sol-Gel Silica Nanoparticle Coating [J]. Materials Science Forum. 2019;960:155-160.
DOI:10.4028/www.scientific.net/MSF.960.155
Liu K, Yao X, Jiang L. Recent Developments in Bio-Inspired Special Wettability [J]. Chemical Society Reviews. 2010;39(8):3240-3255.
DOI:10.1039/b917112f
Qian C, Chen GH, Yan F, et al. Super-hydrophobic characteristics of butterfly wing surface [J]. Journal of Bionic Engineering. 2004;1(4):249-255.
Nie K , Xu L , Qian T , et al. Fabrication of a Robust and Flame-Retardant Alooh-Lignocellulose Composite with a Lotus-Leaf-Like Superhydrophobic Coating [J]. Journal of Wood Chemistry and Technology. 2019;1-14.
DOI:10.1080/02773813.2019.1654517
Wen F, Lei C, Chen J, et al. Hierarchical superhydrophobic surfaces for oil–water separation via a gradient of ammonia content controlling of dopamine oxidative self, olymerization [J]. Journal of Applied Polymer Science; 2019.
DOI:10.1002/app.48044
Chen N, Pan Q. Versatile Fabrication of Ultralight Magnetic Foams and Application for Oil–Water Separation [J]. ACS Nano. 2013;7(8):6875-6883.
DOI:10.1021/nn4020533
Zhang J, Huang W, Han Y. A Composite Polymer Film with both Superhydro-phobicity and Superoleophilicity [J]. Macromolecular Rapid Communications. 2006;27(10):804–808.
DOI:10.1002/marc.200500842
Liu Y, Ma J, Wu T, et al. Cost-effective reduced graphene oxide-coated polyurethane sponge as a highly efficient and reusable oil-absorbent [J]. Applied Materials & Interfaces. 2013;5(20):10018.
DOI:10.1021/am4024252
Patankar NA. Transition between Superhydrophobic States on Rough Surfaces [J]. Langmuir. 2004;20(17):7097-102.
DOI:10.1021/la049329e
Zhou X, Zhang Z, Xu X, et al. Facile Fabrication of Superhydrophobic Sponge with Selective Absorption and Collection of Oil from Water [J]. Industrial & Engineering Chemistry Research. 2013;52(27):9411 9416.
DOI:10.1021/ie400942t
Zhang Z, Li Z, Hu Y, et al. Super-hydrophobic copper surface fabricated by one-step immersing method in fatty acid salt aqueous solution for excellent anti-corrosion and oil/water separation pro-perties [J]. Applied Physics A. 2019;125(8).
DOI:10.1007/s00339-019-2843-y
Yu CM , Zhuang XH , Zeng SW , et al. Superhydrophobic foam prepared from high internal phase emulsion templates stabilised by oyster shell powder for oil–water separation[J]. RSC Advances. 2019;9.
DOI:10.1039/C9RA01258C
Bashar MM, Zhu H, Yamamoto S, et al. Superhydrophobic surfaces with fluorinated cellulose nanofiber assemblies for oil–water separation [J]. RSC Advances. 2017;7(59):37168-37174.
DOI:10.1039/C7RA06316D
Jiang G, Hu R, Xi X, et al. Facile preparation of superhydrophobic and superoleophilic sponge for fast removal of oils from water surface [J]. Journal of Materials Research. 2013;28(4):651-656.
DOI:10.1557/jmr.2012.410
Yuehuan Wu, Weizhen Li, Xiaoming Shen. Organic Chemistry (Revised Edition).Hefei: Press of University of Science and Technology of China; 2002.
Zhang L, Li H, Lai X, et al. Thiolated graphene-based superhydrophobic sponges for oil-water separation[J]. Chemical Engineering Journal. 2017;316: 736-743.
DOI:10.1016/j.cej.2017.02.030
Saha P, Dashairya L. Reduced graphene oxide modified melamine formaldehyde ([email protected]) superhydrophobic sponge for efficient oil–water separation [J]. Journal of Porous Materials. 2018;25(5):1475-1488.
DOI:10.1007/s10934-018-0560-0
Yang X, Shuai Q, Luo Y, et al. Fabrication and Application of the Superhydrophobic Sponge Modified with Poly (dimethylsiloxane) /Silver Micro/Nano-particles /Polydopamine [J]. Chinese Journal of Applied Chemistry. 2015;32(6): 726-732.
DOI:10.11944/j.issn.10000518.2015.06.140365