期刊
APPLIED SURFACE SCIENCE
卷 257, 期 20, 页码 8451-8456出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.apsusc.2011.04.128
关键词
Nano TiO2-polyacrylate hybrid; Dispersion; Polymer content; Cotton fabric; Photocatalytic self-cleaning; Suspension polymerization
类别
资金
- National Natural Science Foundation of China [20704018]
- state key laboratory of pulp and paper engineering in south china university of technology [201031]
- Fundamental Research Funds for the Central Universities [JUSRP10902, JUSRP10904]
Two kinds of nano TiO2-polyacrylate hybrid dispersions, TBM-w and TBM-e were synthesized by in-situ suspension polymerization and solution polymerization respectively, in order to fix the nano TiO2 on fabrics. The photocatalytic self-cleaning fabrics have received much attention in recent years for its water-saving and environment-protection advantages. However, the fixation of the photocatalyst on fabrics is still a key problem that inhibits industrialization of these eco-friendly fabrics. The cotton fabric was treated by the two hybrid dispersions. The photocatalytic self-cleaning property was characterized. Infrared spectroscopy, burning loss test and thermogravimetry showed that some copolymer chains entangled with the nano TiO2. Transmission electron microscope illustrated that there was a polymeric layer on the surface of nano TiO2. The average diameter of TBM-w was smaller than that of TBM-e based on size analysis. The photocatalytic decoloration of the grape syrup indicated that the fabric with TiO2-polymer hybrid had excellent self-cleaning property. (C) 2011 Elsevier B.V. All rights reserved.
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