Synthesis, Characterization, and Gas Permeation Properties of a Novel Group of Polymers with Intrinsic Microporosity: PIM-Polyimides

被引：280

作者：

Ghanem, Bader S. ^{[1
,5
]}

McKeown, Neil B. ^{[1
]}

Budd, Peter M. ^{[2
]}

Al-Harbi, Nasser M. ^{[2
]}

Fritsch, Detlev ^{[3
]}

Heinrich, Kathleen ^{[3
]}

Starannikova, Ludmila ^{[4
]}

Tokarev, Andrei ^{[4
]}

Yampolskii, Yuri ^{[4
]}

机构：

[1] Cardiff Univ, Sch Chem, Cardiff CF10 3AT, S Glam, Wales

[2] Univ Manchester, Sch Chem, Organ Mat Innovat Ctr, Manchester M13 9PL, Lancs, England

[3] GKSS Res Ctr Gessthacht GmbH, Polymer Res Inst, D-21502 Geesthacht, Germany

[4] Russian Acad Sci, AV Topchiev Petrochem Synth Inst, Moscow 119991, Russia

[5] Taibah Univ, Dept Chem, Almadinah Almonawarah, Saudi Arabia

来源：

MACROMOLECULES | 2009年 / 42卷 / 20期

基金：

英国工程与自然科学研究理事会;

关键词：

6FDA-1,5-NDA DENSE MEMBRANES; FREE-VOLUME DISTRIBUTION; TRANSPORT-PROPERTIES; LADDER POLYMER; SEPARATION; PERMEABILITY; PERMSELECTIVITY; PARAMETERS; UNIT;

D O I：

10.1021/ma901430q

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 [高分子化学与物理];

摘要：

A range of polyimides with characteristics similar to a polymer of intrinsic microporosity (PIM) were prepared by reaction with various aromatic diamines of a bis(carboxylic anhydride) incorporating a spiro-center. The polymers exhibited high surface area, as determined by nitrogen adsorption, and high thermal stability. Membrane gas permeation experiments showed PIM-polyimides to be among the most permeable of all polyimides and to have selectivities close to the upper bound for several important gas pairs. A group contribution method was used to predict permeability coefficients and separation factors for further PIM-polyimide structures, revealing worthwhile targets for future synthetic efforts.

引用

页码：7881 / 7888

页数：8

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