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231225s2017 xx |||||o 00| ||eng c |
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|a 10.1021/acs.langmuir.7b02539
|2 doi
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|a eng
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|a Lei, Lei
|e verfasserin
|4 aut
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|a Highly Porous Poly(high internal phase emulsion) Membranes with "Open-Cell" Structure and CO2-Switchable Wettability Used for Controlled Oil/Water Separation
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|c 2017
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Completed 31.07.2018
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|a Date Revised 31.07.2018
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a Polymer membranes with switchable wettability have promising applications in smart separation. Hereby, we report highly porous poly(styrene-co-N,N-(diethylamino)ethyl methacrylate) (i.e., poly(St-co-DEA)) membranes with "open-cell" structure and CO2-switchable wettability prepared from water-in-oil (W/O) high internal phase emulsion (HIPE) templates. The open-cell porous structure facilitates fluid penetration through the membranes. The combination of CO2-switchable functionality and porous microstructure enable the membrane with CO2-switchable wettability from hydrophobic or superoleophilic to hydrophilic or superoleophobic through CO2 treatment in an aqueous system. This type of membrane can be used for gravity-driven CO2-controlled oil/water separation, in which oil selectively penetrates through the membrane and separates from water. After being treated with CO2 switching wettability of the membrane, a reversed separation of water and oil can be achieved. Such a wettability switch is fully reversible, and the membrane could be regenerated through simple removal of CO2 and oil residual through drying. This facile and cost-effective approach represents the development of the first CO2-switchable polyHIPE system, which is promising for smart separation in a large volume
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Zhang, Qi
|e verfasserin
|4 aut
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|a Shi, Shuxian
|e verfasserin
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|a Zhu, Shiping
|e verfasserin
|4 aut
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|i Enthalten in
|t Langmuir : the ACS journal of surfaces and colloids
|d 1992
|g 33(2017), 43 vom: 31. Okt., Seite 11936-11944
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnns
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|g volume:33
|g year:2017
|g number:43
|g day:31
|g month:10
|g pages:11936-11944
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|u http://dx.doi.org/10.1021/acs.langmuir.7b02539
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