Self-Supported Fibrous Porous Aromatic Membranes for Efficient COinf2/inf/Ninf2/inf Separations

	Self-Supported Fibrous Porous Aromatic Membranes for Efficient COinf2/inf/Ninf2/inf Separations
	Meng, L.; X. Zou; S. Guo; H. Ma; Y. Zhao and G. Zhu
	2015
发表期刊	ACS Applied Materials and Interfaces
卷号	7 期号:28
摘要	In this paper, we describe a new synthesis protocol for the preparation of self-supported hollow fiber membranes composed of porous aromatic framework PAF-56P and PSF. PAF-56P was facilely prepared by the cross-coupling reaction of triangle-shaped cyanuric chloride and linear p-terophenyl monomers. The prepared PAF-56P material possesses an extended conjugated network, the structure of which is confirmed by nuclear magnetic resonance and infrared characterizations, as well as a permanent porosity with a BET surface area of 553.4 msup2/sup gsup-1/sup and a pore size of 1.2 nm. PAF-56P was subsequently integrated with PSF matrix into PAF-56P/PSF asymmetric hollow fiber membranes via the dry jet-wet quench method employing PAF-56P/PSF suspensions. Scanning electron microscopy studies show that PAF-56P particles are embedded in the PSF matrix to form continuous membranes. Fabricated PAF-56P/PSF membranes were further exploited for COinf2/inf capture, which was exemplified by gas separations of COinf2/inf/Ninf2/inf mixtures. The PAF-56P/PSF membranes show a high selectivity of COinf2/inf over Ninf2/inf with a separation factor of 38.9 due to the abundant nitrogen groups in the PAF-56P framework. A preferred permeance for COinf2/inf in the binary COinf2/inf/Ninf2/inf gas mixture is obtained in the range of 93-141 GPU due to the large COinf2/inf adsorption capacity and a large pore size of PAF-56P. Additionally, PAF-56P/PSF membranes exhibit excellent thermal and mechanical stabilities, which were examined by thermal analysis and gas separation tests with the dependencies of temperatures and pressures. The merits of high selectivity for COinf2/inf, good stability, and easy scale up make PAF-56P/PSF hollow fiber membranes of great interest for the industrial separations of COinf2/inf from the gas exhausts. 2015 American Chemical Society.
文章类型	期刊
收录类别	EI
语种	英语
文献类型	期刊论文
条目标识符	http://ir.ciomp.ac.cn/handle/181722/55901
专题	中科院长春光机所知识产出
推荐引用方式 GB/T 7714	Meng, L.,X. Zou,S. Guo,et al. Self-Supported Fibrous Porous Aromatic Membranes for Efficient COinf2/inf/Ninf2/inf Separations[J]. ACS Applied Materials and Interfaces,2015,7(28).
APA	Meng, L.,X. Zou,S. Guo,H. Ma,&Y. Zhao and G. Zhu.(2015).Self-Supported Fibrous Porous Aromatic Membranes for Efficient COinf2/inf/Ninf2/inf Separations.ACS Applied Materials and Interfaces,7(28).
MLA	Meng, L.,et al."Self-Supported Fibrous Porous Aromatic Membranes for Efficient COinf2/inf/Ninf2/inf Separations".ACS Applied Materials and Interfaces 7.28(2015).

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