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Effect of Nano-TiO2 Particles on the Performance of PVDF, PVDF-g-(Maleic anhydride), and PVDF-g-Poly(acryl amide) Membranes
Bian, Xiaokai(卞晓锴); Shi, Liuqing(施柳青); Yang, Xuanxuan(杨璇璇); Lu, Xiaofeng(陆晓峰)
2011
Source PublicationINDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH
ISSN0888-5885
Volume50Issue:21Pages:12113
AbstractTo study the effects of nano-TiO2 particles on membrane performance and structure and to explore possible interactions between nano-TiO2 particles and polymer, polymer/TiO2 embedded hybrid membranes and neat polymer membranes were prepared using the phase inversion method. Poly(vinylidene difluoride) (PVDF) poly(vinylidene difluoride)-g-(maleic anhydride) (PVDF-g-MA), and poly(vinylidene difluoride)-g-poly(acryl amide) (PVDF-g-PAM) were selected as the membrane materials. SEM images showed that the hybrid membranes had a thinner skin layer and a larger number of pores in the sublayer than the neat membranes, which was the main cause of the increase in water flux of the hybrid membranes. They also exhibited a better antifouling property than the neat ones in the continuous BSA solution filtration process. In the 48 h-long pure water experiment, the hybrid membranes underwent a water flux decline and an increase in contact angle. The loss of nano-TiO2 particles, revealed by EDS analysis, influenced the stability of hybrid membrane performance. The XPS analysis suggested that nano-TiO2 particles were immobilized in the membrane surface layer through the formation of a stable chemical structure resulting from its reaction with polymer and/or through intertwining with polymer chains.
Indexed BySCI
Language英语
Funding Project应物所项目组
WOS IDWOS:000296128300037
Citation statistics
Cited Times:35[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/9498
Collection中科院上海应用物理研究所2011-2019年
Recommended Citation
GB/T 7714
Bian, Xiaokai,Shi, Liuqing,Yang, Xuanxuan,et al. Effect of Nano-TiO2 Particles on the Performance of PVDF, PVDF-g-(Maleic anhydride), and PVDF-g-Poly(acryl amide) Membranes[J]. INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH,2011,50(21):12113.
APA Bian, Xiaokai,Shi, Liuqing,Yang, Xuanxuan,&Lu, Xiaofeng.(2011).Effect of Nano-TiO2 Particles on the Performance of PVDF, PVDF-g-(Maleic anhydride), and PVDF-g-Poly(acryl amide) Membranes.INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH,50(21),12113.
MLA Bian, Xiaokai,et al."Effect of Nano-TiO2 Particles on the Performance of PVDF, PVDF-g-(Maleic anhydride), and PVDF-g-Poly(acryl amide) Membranes".INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH 50.21(2011):12113.
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