Abstract
Influence of Chemical Structure on Gas Separation Properties of Polymer Materials Based on Polyetherimide Ultem® and Silicon-Containing Copolyetherimide Siltem®
Highlights
Gas separation by selective transport through polymeric membranes is one of the fastest growing branches of membrane technology
The existing polymeric membrane materials are inadequate to fully exploit the application opportunities on industrial scale; the improvement in permeability is the expense of selectivity, and vice versa
The amorphous polyetherimide has Tg 150-250 °C that distinguishes them from other polyimides
Summary
Influence of Chemical Structure on Gas Separation Properties of Polymer Materials Based on Polyetherimide Ultem® and Silicon-Containing Copolyetherimide Siltem®. Membrane materials based on polyimides possess high gas separation selectivity. Introduction silicon fragments in main chain of polymer can increase their productivity. Samples based on polyetherimide Ultem® and silicon-containing copolyetherimide Siltem® obtained using dry formation techniques. It was shown that changes in initial solution influence gas transport properties of the material
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