Ultrathin Composite Polymeric Membranes for CO2/N2 Separation with Minimum Thickness and High CO2 Permeance

被引：37

作者：

Benito, Javier ^{[1
]}

Sanchez-Lainez, Javier ^{[2
]}

Zornoza, Beatriz ^{[2
]}

Martin, Santiago ^{[3
]}

Carta, Mariolino ^{[4
]}

Malpass-Evans, Richard ^{[4
]}

Tellez, Carlos ^{[2
]}

McKeown, Neil B. ^{[4
]}

Coronas, Joaquin ^{[2
]}

Gascon, Ignacio ^{[1
]}

机构：

[1] Univ Zaragoza, INA, Dept Quim Fis, C Pedro Cerbuna 12, E-50009 Zaragoza, Spain

[2] Univ Zaragoza, INA, Dept Ingn Quim & Tecnol & Medio Ambiente, C Mariano Esquillor S-N, Zaragoza 50018, Spain

[3] Univ Zaragoza, ICMA, Dept Quim Fis, CSIC, C Pedro Cerbuna 12, E-50009 Zaragoza, Spain

[4] Univ Edinburgh, Sch Chem, David Brewster Rd, Edinburgh EH9 3FJ, Midlothian, Scotland

来源：

CHEMSUSCHEM | 2017年 / 10卷 / 20期

关键词：

combustion; gas separation; membranes; monolayers; polymers; INTRINSIC MICROPOROSITY; LANGMUIR-BLODGETT; GAS;

D O I：

10.1002/cssc.201701139

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The use of ultrathin films as selective layers in composite membranes offers significant advantages in gas separation for increasing productivity while reducing the membrane size and energy costs. In this contribution, composite membranes have been obtained by the successive deposition of approximately 1nm thick monolayers of a polymer of intrinsic microporosity (PIM) on top of dense membranes of the ultra-permeable poly[1-(trimethylsilyl)-1-propyne] (PTMSP). The ultrathin PIM films (30nm in thickness) demonstrate CO2 permeance up to seven times higher than dense PIM membranes using only 0.04% of the mass of PIM without a significant decrease in CO2/N-2 selectivity.

引用

页码：4014 / 4017

页数：4

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