Preparation of polysulfone microspheres with a hollow core/porous shell structure and their application for oil spill cleanup

Polysulfone (PSF) microspheres with a hollow core/porous shell structure were prepared by a water‐in‐oil‐in‐water emulsion solvent evaporation method. The morphology of PSF could be controlled by variation of the surfactants, which included oleic acid, poly(vinyl pyrrolidone), and tween 80. The thre...

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Veröffentlicht in:Journal of applied polymer science 2013-06, Vol.128 (5), p.2994-2999
Hauptverfasser: Li, Xianhua, Guo, Yongcun, Zhang, Jun, Zhang, Lei
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creator Li, Xianhua
Guo, Yongcun
Zhang, Jun
Zhang, Lei
description Polysulfone (PSF) microspheres with a hollow core/porous shell structure were prepared by a water‐in‐oil‐in‐water emulsion solvent evaporation method. The morphology of PSF could be controlled by variation of the surfactants, which included oleic acid, poly(vinyl pyrrolidone), and tween 80. The three kinds of prepared microspheres were developed as sorbents for the selective removal of oil from water. PSF microspheres with a hollow core/porous shell structure exhibited the best separation efficiency, which was 44.8 times higher than that of the pristine PSF powder. The oil‐absorbed microspheres combined with unsinkability, appropriate size, and highly hydrophobic and superoleophilic properties could be quickly distributed and collected in seconds and exhibited recyclability. © 2012 Wiley Periodicals, Inc. J. Appl. Polym. Sci., 2013
doi_str_mv 10.1002/app.38355
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source Wiley Online Library - AutoHoldings Journals
subjects applications
Applied sciences
Crude oil, natural gas and petroleum products
Emulsions
Energy
Evaporation
Exact sciences and technology
Forms of application and semi-finished materials
Fuels
Materials science
Microspheres
Miscellaneous
oil and gas
Pollution caused by production, transportation and treatment of oil and oil shales. Water and soil pollution. Treatments. Pollution control
Polymer industry, paints, wood
Polymers
Polysulfone resins
porous materials
Recyclability
Reproduction
Shells
Solvents
Technology of polymers
title Preparation of polysulfone microspheres with a hollow core/porous shell structure and their application for oil spill cleanup
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