期刊
JOURNAL OF COLLOID AND INTERFACE SCIENCE
卷 533, 期 -, 页码 278-286出版社
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.jcis.2018.08.055
关键词
Composite membrane; ATRP; Flux recovery; Oil-water emulsions separation; Acrylamide
资金
- National Natural Science Foundation of China [21776110, U1507118, 21676127]
- Natural Science Foundation of Jiangsu Province [BK20151350, BK20161367, BK20171315]
- China Postdoctoral Science Foundation [2014M561588, 1501067C, 170103B]
Development of superhydrophilic, stable and cost-effective composite membranes for efficient oil-water emulsion separation is highly desirable. Herein, an irregular rod-like composite membrane was prepared through 3-aminopropyltriethoxysilane (APTES) modification, followed by acrylamide polymerization with atomic transfer radical polymerization (ATRP). The as-prepared membrane exhibits superhydrophilicity/underwater superoleophobicity due to its irregular rod-like structure and poresinduced capillary actions. The composite membrane has demonstrated sufficient stability in acidic, alkaline and salty environments due to the polymerization of acrylamide. Moreover, the as-prepared composite membrane has effectively separated various oil-water emulsions and demonstrated high permeation and superior flux recovery. The present work demonstrates that the ATRP-assisted composite membrane is a promising material in a wide range of applications, such as industrial wastewater recovery and drinking water treatment. (C) 2018 Elsevier Inc. All rights reserved.
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