Preparation of Superhydrophobic Polypropylene Membrane Using Dip-Coating Method: The Effects of Solution and Process Parameters

被引：66

作者：

Himma, Nurul Faiqotul ^{[1
]}

Wardani, Anita Kusuma ^{[1
]}

Wenten, I. Gede ^{[1
]}

机构：

[1] Inst Teknol Bandung, Dept Chem Engn, Jl Ganesha 10, Bandung 40132, Indonesia

来源：

POLYMER-PLASTICS TECHNOLOGY AND ENGINEERING | 2017年 / 56卷 / 02期

关键词：

Dip coating; membrane; polypropylene; superhydrophobic; water-oil separation; HOLLOW-FIBER MEMBRANE; SURFACE; SEPARATION; CONTACTORS; ABSORPTION; DISTILLATION; WETTABILITY; FABRICATION; CO2;

D O I：

10.1080/03602559.2016.1185666

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

Superhydrophobic polypropylene hollow fiber membranes were prepared through two-step dip-coating process. The effects of solution and process parameters were investigated. It was found that polymer solution concentration and temperature were crucial parameters to obtain homogeneous coating. High hydrophobicity could be achieved by controlling the polymer solution concentration and drying temperature. Using methyl ethyl ketone as nonsolvent, the membrane surface roughness was increased, resulting in superhydrophobicity with high contact angle of 151.3 degrees. The modified membrane still exhibited lower flux than unmodified membrane in water-oil separation due to porosity decrease. However, their water rejections were comparable. [GRAPHICS] .

引用

页码：184 / 194

页数：11

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