WANG Lei,KONG Mengxiao,LI Chen,et al.Preparation and properties of SiO2 hybrid PVDF-g-PSSA ion exchange membrane[J].J. Xi’an Univ. of Arch. & Tech.(Natural Science Edition),2017,(04):542-547.[doi:10.15986/j.1006-7930.2017.04.013]





Preparation and properties of SiO2 hybrid PVDF-g-PSSA ion exchange membrane
(西安建筑科技大学 环境与市政工程学院,陕西 西安 710055 )
WANG Lei KONG Mengxiao LI Chen WANG Xudong ZHANG Quan
(School of Environmental & Municipal Engineering, Xian Univ. of Arch . & Tech ., Xian 710055, China)
ion exchange membrane QCM -D hydrophilic property SiO2 anti-fouling
In this investigation, benzoyl peroxide (BPO) was used as an initiator, concurrently, silica (SiO2) was doped on the molecular chain of the polyvinylidene fluoride (PVDF) coupled with sodium styrene sulfonate(SSS). After that, the composite proton exchange membrane (PVDF/xSiO2 -g-PSSA) could be obtained. Chemistry constitution, crystal morphology and antipollution were analyzed by fourier transform infrared spectrophotometer (FT -IR), x-ray diffractometer (XRD) and quartz crystal microbalance (QCM -D). At the same time, the effects of different SiO2 concentration on the hydrophily and conductivity of membrane were investigated . The results showed that the hydrophilic property could be significantly improved and conductivity fell slightly by adding SiO2 . The QCM -D tests show that adding SiO2 decreased adsorption quantity of pollutants on the surface of membrane and improved antipollution, which presented a potential favorable application in the fuel cell



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更新日期/Last Update: 2017-09-11