期刊
MATERIALS LETTERS
卷 64, 期 22, 页码 2431-2434出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.matlet.2010.08.001
关键词
Photodegradation; pH-sensitive; Hydrogel; TiO2; Composite; Nanofiber
资金
- National Research Foundation of Korea [과C6B1913] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
The composite nanofibers of poly(vinyl alcohol)/poly(N,N-dimethylaminopropyl acrylamide) hydrogel and TiO2 were prepared by electrospinning for a novel treatment of acidic waste water The anatase TiO2 was used as a photocatalyst due to its high photodegradation efficiency. TiO2 was immobilized in the electrospun fibers for an easy recovery of TiO2 after the waste treatment. The hydrogel nanofibers swelled rapidly in the acidic condition due to the repulsion among the protonated amine groups in the polymer chains. High efficiency of phsotocatalytic decomposition of dye was obtained by the fast swelling of hydrogel in the acidic condition and the uniform dispersion of TiO2 by sonication (C) 2010 Elsevier B V All rights reserved
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