Gas transport behavior of mixed-matrix membranes composed of silica nanoparticles in a polymer of intrinsic microporosity (PIM-1)

被引：229

作者：

Ahn, Juhyeon ^{[1
,2
]}

Chung, Wook-Jin ^{[2
]}

Pinnau, Ingo ^{[3
]}

Song, Jingshe ^{[1
]}

Du, Naiying ^{[1
]}

Robertson, Gilles P. ^{[1
]}

Guiver, Michael D. ^{[1
]}

机构：

[1] Natl Res Council Canada, Inst Chem Proc & Environm Technol, Ottawa, ON K1A 0R6, Canada

[2] MyongJi Univ, Dept Environm Engn & Biotechnol, Yongin 449728, South Korea

[3] KAUST, Membranes Res Ctr, Thuwal, Saudi Arabia

来源：

JOURNAL OF MEMBRANE SCIENCE | 2010年 / 346卷 / 02期

关键词：

Microporous organic polymer; Polymer of intrinsic microporosity (PIM-1); Fumed silica nanoparticle; Nanocomposite; Mixed-matrix; Gas permeability; SURFACE-TREATED SILICA; NANOCOMPOSITE MEMBRANES; SEPARATION MEMBRANES; PERMEATION; POLY(1-TRIMETHYLSILYL-1-PROPYNE); 1-TRIMETHYLSILYL-1-PROPYNE; PERMEABILITY; SORPTION; NETWORK; PHASE;

D O I：

10.1016/j.memsci.2009.09.047

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

Recently, high-free volume, glassy ladder-type polymers, referred to as polymers of intrinsic microporosity (PIM), have been developed and their reported gas transport performance exceeded the Robeson upper bound trade-off for O-2/N-2 and CO2/CH4. The present work reports the gas transport behavior of PIM-1/silica nanocomposite membranes. The changes in free volume, as well as the presence and volume of the void cavities, were investigated by analyzing the density, thermal stability, and nano-structural morphology. The enhancement in gas permeability (e.g., He, H-2, O-2, N-2, and CO2) with increasing filler content shows that the trend is related to the true silica volume and void volume fraction. Crown Copyright (C) 2009 Published by Elsevier B.V. All rights reserved.

引用

页码：280 / 287

页数：8

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