Polymers of intrinsic microporosity for membrane-based precise separations

X Feng, J Zhu, J **, Y Wang, Y Zhang… - Progress in Materials …, 2024 - Elsevier
Polymer materials have been extensively utilized in diverse separation fields, especially in
membrane-based nanotechnologies for gas and liquid separations. The membrane …

Polymer materials for solving actual problems of membrane gas separation

AY Alentiev, VE Ryzhikh, DA Syrtsova… - Uspehi himii, 2023 - journals.rcsi.science
Membrane gas separation using polymeric membranes is one of rapidly develo** energy-
conserving technologies. This review describes the scope of membrane gas separation …

Fabrication of CeO2/carbon molecular sieving membranes for enhanced O2/N2 gas separation

Z Gao, B Zhang, C Yang, Y Wu - Applied Surface Science, 2024 - Elsevier
In this study, CeO 2/carbon composite molecular sieving membranes (CMSMs) were
prepared on carbonaceous plate supports using polyimide as precursor and cerium oxide …

Tuning free volume for enhanced gas separation by introducing fluorinated aryl ether diamine moiety in Tröger's-based membranes

B Zhang, J Li, L Zhang, D Wu - International Journal of Hydrogen Energy, 2024 - Elsevier
Tröger's-based polymeric membranes have received tremendous attention for their inherent
high free volume and excellent gas permeability. However, its selectivity was still unable to …

Some Specifics of Defect-Free Poly-(o-aminophenylene) naphthoylenimide Fibers Preparation by Wet Spinning

IY Skvortsov, VG Kulichikhin, II Ponomarev… - Materials, 2022 - mdpi.com
A series of model experiments were carried out on drops of poly-(o-aminophenylene)
naphthoylenimide (PANI-O) solutions in N-methyl-2-pyrrolidone (NMP) surrounded by a …

Prospects for the Development of Hydrogen Energy. Polymer Membranes for Fuel Cells and Electrolyzers

IA Stenina, AB Yaroslavtsev - Membranes and Membrane Technologies, 2024 - Springer
Due to the increased attention to hydrogen energy and the fact that many countries adopted
the programs for its development, the question on the prospects for this area becomes …

Polynaphthoylenebenzimidazoles as polymer materials for high-temperature membrane gas separation

AY Alentiev, DA Syrtsova, RY Nikiforov, VE Ryzhikh… - Polymer, 2024 - Elsevier
Homogeneous films of polynaftoylenebenzimidazole (PNBI-σ) were obtained by two-stage
synthesis from prepolymer films by thermal cyclization at 350° C. The presence of …

A more environmentally friendly path to the family of the flame-resistant semi-ladder “Lola” fibers

IY Skvortsov, II Ponomarev, LA Varfolomeeva… - Polymer, 2022 - Elsevier
High strength flame-resistant semi-ladder fibers of the “Lola” family (PNBI) have been
obtained by an acid-free and more environmentally friendly method with controlled heating …

The first example of hollow polynaphthoylenebenzimidazole fiber preparation

IY Skvortsov, LA Varfolomeeva, AF Vashchenko… - Mendeleev …, 2024 - Elsevier
A new unique two-stage method for spinning hollow polynaphthoylenebenzimidazole
(PNBI) fibers has been proposed. Polyacrylonitrile (PAN) fiber having a porous morphology …

Ultramicroporous Polyphenylenes via Diels–Alder Polycondensation Approach

SA Sorokina, NV Kuchkina, AV Mikhalchenko… - Polymers, 2023 - mdpi.com
Development of new microporous organic polymers attracts significant attention due to a
wide scope of promising applications. In addition, the synthesis of soluble, non-crosslinking …