Volume 41, Issue 2 pp. 353-366
Research Article

[Ni3(HCOO)6]/Poly(styrene-b-butadiene-b-styrene) Mixed-Matrix Membranes for CH4/N2 Gas Separation

Shumin Wang

Shumin Wang

Taiyuan University of Technology, College of Materials Science and Engineering, 79, 79, Yingze West Street, 030024 Taiyuan, Shanxi, China

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Qingping Guo

Qingping Guo

Taiyuan University of Technology, College of Materials Science and Engineering, 79, 79, Yingze West Street, 030024 Taiyuan, Shanxi, China

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Shujun Liang

Shujun Liang

Taiyuan Institute of Technology, Department of Materials Engineering, 31, 31, Xinlan Road, 030008 Taiyuan, Shanxi, China

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Peng Li

Peng Li

Taiyuan Institute of Technology, Department of Materials Engineering, 31, 31, Xinlan Road, 030008 Taiyuan, Shanxi, China

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Xin Li

Xin Li

Taiyuan Institute of Technology, Department of Materials Engineering, 31, 31, Xinlan Road, 030008 Taiyuan, Shanxi, China

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Jujie Luo

Corresponding Author

Jujie Luo

Taiyuan University of Technology, College of Materials Science and Engineering, 79, 79, Yingze West Street, 030024 Taiyuan, Shanxi, China

Correspondence: Jujie Luo ([email protected]), Taiyuan University of Technology, College of Materials Science and Engineering, 79, Yingze West Street, Taiyuan, Shanxi 030024, China.Search for more papers by this author
First published: 30 November 2017
Citations: 23

Abstract

For the evaluation of CH4/N2 separation, mixed-matrix membranes (MMMs) were fabricated by adding [Ni3(HCOO)6] as a filler into the poly(styrene-b-butadiene-b-styrene) (SBS) polymer. The structures and morphologies of [Ni3(HCOO)6] and [Ni3(HCOO)6]/SBS MMMs were characterized by different techniques, proving the crystalline structure of [Ni3(HCOO)6] in SBS polymer matrices. The structural integrity of the MMMs and good compatibility between [Ni3(HCOO)6] and SBS polymer were examined by scanning electron microscopy. Gas permeation measurements revealed that membranes containing various [Ni3(HCOO)6] loadings exhibited different separation performances. The operational temperature exerted a significantly positive effect on the separation of CH4 and N2.

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