Modification of Poly(4-Methyl-2-Pentyne) in Supercritical Fluid Media for the Preparation of CO₂-Selective Gas Separation Membranes

2017, №2

сс. 49-59

V.G. Polevaya, A.M. Vorobei, O.I. Pokrovskiy, G.A. Shandryuk, O.O. Parenago, V.V. Lunin, V.S. Khotimskiy.

Key words: polymer membranes, gas separation, 1,2-disubstituted polyacetylenes, polymer chemical modification, СО₂ separation, permeability, selectivity, quaternization

This work is devoted to the investigation of supercritical fluid media applicability for the modification of a promising gas-separating polymer in order to improve CO₂-selectivity. The possibility to introduce a quaternary ammonium salt functional group into poly(4-methyl-2-pentyne) structure via two-stage process was demonstrated: bromination with N-bromosuccinimide and its subsequent addition to a tertiary amine (quaternization) in supercritical fluid media. Using trifluoromethane as a reaction media leads to the highest polymer modification degree. The best achieved result gave a three-fold increase in CO₂/N₂ selectivity in comparison with initial poly(4-methyl-2-pentyne).

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ГОСТ
7.0.100-2018

Полевая, В.Г. Modification of Poly(4-Methyl-2-Pentyne) in Supercritical Fluid Media for the Preparation of CO<sub>2</sub>-Selective Gas Separation Membranes / В.Г. Полевая, А.М. Воробей, О.И. Покровский [и др.]. – Текст : непосредственный // Сверхкритические Флюиды: Теория и Практика.. – 2017. – Т. 12. – № 2. – С. 49-59.

TRANSLIT

Polevaya, V.G. Modifikaciya poli(4-metil-2-pentina) v srede sverhkriticheskih flyuidov dlya sozdaniya SO2-selektivnyh gazorazdelitel'nyh membran / V.G. Polevaya, A.M. Vorobej , O.I. Pokrovskij [i dr.]. – Tekst : neposredstvennyj // Sverhkriticheskie Flyuidy: Teoriya i Praktika.. – 2017. – Т. 12. – № 2. – S. 49-59.

V.G. Polevaya, A.M. Vorobei, O.I. Pokrovskiy, G.A. Shandryuk, O.O. Parenago, V.V. Lunin, V.S. Khotimskiy Modification of Poly(4-Methyl-2-Pentyne) in Supercritical Fluid Media for the Preparation of CO<sub>2</sub>-Selective Gas Separation Membranes. Sverhkriticheskie Flyuidy: Teoriya i Praktika, 2, 49-59 (2017). https://doi.org/

Modification of Poly(4-Methyl-2-Pentyne) in Supercritical Fluid Media for the Preparation of CO2-Selective Gas Separation Membranes

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Modification of Poly(4-Methyl-2-Pentyne) in Supercritical Fluid Media for the Preparation of CO₂-Selective Gas Separation Membranes