Preparation of multisensitive poly (N-isopropylacrylamide-co-acrylic acid)/TiO2 composites for degradation of methyl orange
Preparation of multisensitive poly (N-isopropylacrylamide-co-acrylic acid)/TiO2 composites for degradation of methyl orange
复制标题
多敏聚(N-异丙基丙烯酰胺-丙烯酸)/TiO2复合材料的制备用于降解甲基橙
DOI：
10.1016/j.eurpolymj.2011.01.011
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发表时间：
2011-05-01
影响因子：
6
通讯作者：
Zhu, Ai Mei
中科院分区：
文献类型：
--
作者：
Wang, Su Qing;Liu, Qing Lin;Zhu, Ai Mei
Composites of poly (N-isopropylacrylamide-co-acrylic acid)/titanium dioxide (TiO2) have been prepared via UV-initiated free radical polymerization. Fourier transform infrared spectra (FTIR), thermogravimetric analysis (TGA), X-ray diffraction (XRD), environmental scanning electron microscope (ESEM), transmission electron microscopy (TEM) and X-ray photoelectron spectroscopy (XPS) are used to study the composition, structure, and morphology of the as-prepared composites. TiO2 is found to be successfully encapsulated in the copolymer in spherical shapes with size of 2.5 mu m. The thermo- and pH-responsive properties of the composites are observed using dynamic light scattering (DLS). The photocatalytic property of the composites is studied using UV-vis spectrophotometer on the degradation of methyl orange (MO) solution under various pHs and temperatures. Degradation ratio is higher at low pH and increases with increasing temperature above volume phase transition temperature (VPTT). (C) 2011 Elsevier Ltd. All rights reserved.
