Abstract
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.
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Original Russian Text © S.V. Kononova, K.A. Romashkova, I.V. Gofman, R.V. Kremnev, E.V. Kruchinina, V.M. Svetlichnyi, 2009, published in Zhurnal Prikladnoi Khimii, 2009, Vol. 82, No. 6, pp. 976–983.
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Kononova, S.V., Romashkova, K.A., Gofman, I.V. et al. Aromatic polysulfone imides and membranes based on them. Russ J Appl Chem 82, 1033–1040 (2009). https://doi.org/10.1134/S1070427209060202
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DOI: https://doi.org/10.1134/S1070427209060202