聚乙烯醇/氧化石墨烯分离膜的结构与性能

doi:10.11949/j.issn.0438-1157.20161629

化工学报 ›› 2016, Vol. 67 ›› Issue (S2): 197-201.DOI: 10.11949/j.issn.0438-1157.20161629

聚乙烯醇/氧化石墨烯分离膜的结构与性能

肖淑娟^1,2, 于守武³, 谭小耀¹

1. 天津工业大学材料科学与工程学院, 天津 300387;
2. 华北理工大学轻工学院, 河北唐山 063009;
3. 华北理工大学材料科学与工程学院, 河北唐山 063009

收稿日期:2016-11-16 修回日期:2016-11-26 出版日期:2016-12-30 发布日期:2016-12-30
通讯作者: 肖淑娟(1980-),女,博士研究生,副教授。
基金资助:
河北省自然科学基金项目（B2016209059）；华北理工大学培育基金项目（sp201520）。

PVA/GO structure and performance of separation membrane

XIAO Shujuan^1,2, YU Shouwu³, TAN Xiaoyao¹

1. School of Material Science and Engineering, Tianjin Polytechnic University, Tianjin 300387, China;
2. Qinggong College, North China University of Science and Technology, Tangshan 063009, Hebei, China;
3. College of Material Science and Engineering, North China University of Science and Technology, Tangshan 063009, Hebei, China

Received:2016-11-16 Revised:2016-11-26 Online:2016-12-30 Published:2016-12-30
Supported by:
supported by the Natural Science Foundation of Hebei Province(B2016209059)and the North China University of Science and Technology Cultivation Fund Project(sp201520).

摘要/Abstract

摘要：

成膜材料聚乙烯醇（PVA）易溶胀，稳定性差，氧化石墨烯（GO）具有很好的化学稳定性，以PVA为主要原料，GO为添加剂，聚乙二醇为造孔剂，采用共混法制备了GO含量不同的PVA/GO分离膜，并用光学接触角测量仪、超滤杯等考察了分离膜的亲水性和耐污染性；采用SEM、IR、TGA等表征了分离膜的微观形貌、热学及力学性能。结果表明：GO的加入改善了分离膜的内部孔道、亲水性、纯水通量和耐污染能力，膜的热稳定性和力学性能均得到提高，当GO含量为2%时，分离膜的综合性能达到最优。

关键词: 氧化石墨烯, 聚乙烯醇, 膜, 亲水性

Abstract:

Polyvinyl alcohol (PVA)is swelling and poor stability when it is made of membrane material, however, graphene oxide (GO)has good chemical stability. PVA/GO composite membranes with different GO content are prepared in this research, and PVA as the main raw material, GO for additives, PEG as the pore,adopting blending method. The hydrophilicity and pure water flux of the membrane are measured by the optical contact angle measuring instrument and the ultra filtration cup, and morphology, thermal and mechanical properties are characterized by SEM, IR, TGA and so on. The results showed that:addition of GO improve the internal channel, the hydrophilicity,anti-fouling property and the pure water flux, meanwhile, the thermal stability and mechanical properties of the membrane are improved. When the content of GO was 2%, the comprehensive performance of the membrane is optimized.

Key words: graphene oxide, polyvinyl alcohol, membranes, hydrophilic

中图分类号:

TQ325.9

肖淑娟, 于守武, 谭小耀. 聚乙烯醇/氧化石墨烯分离膜的结构与性能[J]. 化工学报, 2016, 67(S2): 197-201.

XIAO Shujuan, YU Shouwu, TAN Xiaoyao. PVA/GO structure and performance of separation membrane[J]. CIESC Journal, 2016, 67(S2): 197-201.

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聚乙烯醇/氧化石墨烯分离膜的结构与性能

PVA/GO structure and performance of separation membrane

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