天津工业大学学报2017，Vol.36Issue(1)：8-14,7.DOI:10.3969/j.issn.1671-024x.2017.01.002
GO/PVDF复合微滤膜制备及其性能表征
Preparation and characterization of GO/PVDF composite microfiltration membranes
摘要
Abstract
To investigate the influence of GO on hydrophilicity and permeability of PVDF microfiltration membrane, GO/PVDF composite microfiltration membrane was prepared via phase inversion method with GO as additive. The in-fluence of casting solution evaporation time and coagulation bath temperature on membrane performance was in-vestigated. Furthermore, the effects of GO dosage on the structures and performance of composite membranes were analyzed in terms of the mechanism of membrane preparation, and the optimal membrane formula was deter-mined. The results show that keeping the casting solution evaporation time at 0 s and coagulation bath temperature at 29℃can improve pure water flux and rejection of the membrane. When the GO was added into the membrane, the hydrophilicity is enhanced obviously, and the compact pores take shape on the surface layer of composite membrane, when the GO content is 1.5%, thus the pure water flux of composite membrane is approximately 87.6%higher than that of the original membrane, and the rejection to BSA is enhanced from 63.56%to 71.27%.关键词
聚偏氟乙烯(PVDF)/复合微滤膜/氧化石墨烯(GO)/亲水改性Key words
PVDF/composite micro-filtration membrane/GO/hydrophylic improvement分类
轻工纺织引用本文复制引用
王海涛,王威,夏晓明,杨会芳,薛瑜..GO/PVDF复合微滤膜制备及其性能表征[J].天津工业大学学报,2017,36(1):8-14,7.基金项目
国家自然科学基金青年科学基金项目(21506159) （21506159）
天津市应用基础与前沿技术研究计划(青年项目)(15JCQNJC08900) （青年项目）
