Zeolite imidazole skeleton-8(ZIF-8)was synthesized by solvent method and then a stereo-ordered ZIF-8/PVDF hybrid membrane with excellent photocatalytic performance was prepared by electrostatic direct writing technology.The data showed that the physical mixing of ZIF-8 had a significant effect on the morphology and properties of the fiber membrane.With the increase of ZIF-8 mass fraction,the surface roughness of ZIF-8/PVDF hybrid film increased,and the microporous structure appeared and the change trend of water contact angle showed a trend of first decreasing and then increasing.When the addition amount of ZIF-8 was 2％,the micropores of the hybrid membrane were relatively uniformly distributed,the hydrophilicity was good and the degradation efficiency of tetracycline hydrochloride(TCH)solution was the best,which was 77.9％,the degradation rate of norfloxacin,ciprofloxacin and sulfamethoxazole could reach 77％.And after 5 cycles,the degradation rate of TCH was only slightly lower than the degradation of the first cycle.
关键词
静电直写技术/聚偏氟乙烯/沸石咪唑骨架-8/光催化/亲水改性
Key words
electrostatic direct writing technology/polytetrafluoroethylene/zeolite imidazole-frame-8(ZIF-8)/photocatalysis/hydrophilic modification
维普
万方数据