Aromatic polysulfone imides and membranes based on them

Aromatic polysulfone imides and membranes based on them Aromatic polyimides containing diphenyl sulfone fragments in the backbone were prepared. Asymmetric microporous films of the synthesized polymers were prepared by wet forming under the conditions of a phase-inversion process. The morphologies and the mechanical and transport properties of nonporous and phase-inversion films as materials for pervaporation membranes were studied. Multilayer composite membranes with diffusion layers of an aromatic polyether imide were prepared on the basis of microporous polyamido imide films. These membranes showed high performance in pervaporation separation of ethanol-cyclohexane mixtures of various compositions. Russian Journal of Applied Chemistry Springer Journals

Aromatic polysulfone imides and membranes based on them

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SP MAIK Nauka/Interperiodica
Copyright © 2009 by Pleiades Publishing, Ltd.
Chemistry; Industrial Chemistry/Chemical Engineering; Chemistry/Food Science, general
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