Abstract
Using a NbCl5-based catalyst system, random copolymers of 1-(3,3,3-trifluoropropyldimethylsilyl)-1-propyne and 1-trimethylsilyl-1-propyne are synthesized in a wide range of comonomer contents. The dependences of gas-transport behavior on the composition and supramolecular organization of the copolymer are studied. Composition regions and conditions of preparing copolymers combining high permeability coefficients with resistance against nonpolar organic solvents are ascertained. The copolymers demonstrate a high selectivity in the separation of butane from a methane–butane mixture.
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Original Russian Text © A.A. Kossov, K. Buhr, S.M. Shishatskii, E.G. Litvinova, V.S. Khotimskii, 2017, published in Vysokomolekulyarnye Soedineniya, Seriya B, 2017, Vol. 59, No. 4, pp. 291–298.
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Kossov, A.A., Buhr, K., Shishatskii, S.M. et al. Copolymers of 1,2-disubstituted acetylenes containing trifluoropropyl groups synthesized in the presence of NbCl5-based catalyst systems: Structure and gas-transport behavior. Polym. Sci. Ser. B 59, 452–458 (2017). https://doi.org/10.1134/S1560090417040066
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DOI: https://doi.org/10.1134/S1560090417040066