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Polymer (Guilford), ISSN 0032-3861, 03/2019, Volume 166, pp. 184 - 195
Three aromatic 6FDA-Durene/MDEA random copolyimides with different Durene:MDEA molar ratios (3:1; 1:1 and 1:3) were synthesized, and pure gas permeation properties through their dense films were investigated... 
Sour mixed-gas | 6FDA-Durene/MDEA | Permeability coefficient | Random copolyimide | Selectivity coefficient | Polymer Science | Physical Sciences | Science & Technology | Hydrogen sulfide | Permeability | Analysis | Natural gas | Methane | Sour gas | Membranes | Transport properties | Gas permeation | Carbon dioxide | Membrane permeability | Selectivity | Pressure | Gas mixtures | Gas transport | Gas separation | Sweet gas | Durene
Journal Article
Journal of applied polymer science, ISSN 0021-8995, 03/2016, Volume 133, Issue 9, pp. np - n/a
ABSTRACT This article reports synthesis and structure property studies of block copolyimides synthesized using diamino room temperature ionic liquids (RTIL... 
copolymers | membranes | ionic liquids | glass transition | polyimides | Polymer Science | Physical Sciences | Science & Technology | Polymerization | Polymers | Backbone | Oligomers | Gas transport | Blocking | Permeability | Density | Polyimide resins
Journal Article
Journal of membrane science, ISSN 0376-7388, 07/2019, Volume 582, Issue C, pp. 182 - 193
Polybenzimidazole (PBI) is highly selective for H2 removal from mixtures with CO2, but it exhibits low gas permeabilities. Celazole® PBI was blended with more... 
Polyimide | Gas transport | Polymer blend | Polybenzimidazole | Thermal rearrangement | Engineering | Physical Sciences | Engineering, Chemical | Polymer Science | Technology | Science & Technology | Polymers | Analysis | Permeability
Journal Article
Macromolecular chemistry and physics, ISSN 1022-1352, 08/2018, Volume 219, Issue 16, pp. 1800157 - n/a
...1 Introduction Polyimides are a unique class of materials with many excellent properties. Polyimide membranes have been studied for gas separation... 
spiro‐centers | fractional free volume | membrane | gas separations | polyimides | spiro-centers | Polymer Science | Physical Sciences | Science & Technology | Molecular dynamics | Permeability | Analysis | Polyimides | Diamines | Organic chemistry | Gas transport | Gas separation | Dianhydrides | Group dynamics | Physical properties | Polyimide resins
Journal Article
Journal of membrane science, ISSN 0376-7388, 01/2017, Volume 522, pp. 77 - 90
.... The resulting PAs exhibited good mechanical properties, with a tensile strength up to 74 MPa, thermal stability, and a high glass transition temperature... 
Molecular dynamics simulation | Trityl moiety | Polyamides | Gas transport properties | Engineering | Physical Sciences | Engineering, Chemical | Polymer Science | Technology | Science & Technology | Molecular dynamics | Lubrication and lubricants | Mechanical properties | Permeability
Journal Article
Journal of membrane science, ISSN 0376-7388, 03/2014, Volume 453, pp. 175 - 191
.... The polymers were further characterized by GPC and thermal techniques and the mechanical properties of the films prepared from these polymers are also reported... 
Gas permeability | Adamantyl moiety | Dielectric constant | Poly(ether amide) | Engineering | Physical Sciences | Engineering, Chemical | Polymer Science | Technology | Science & Technology | Polymerization | Permeability | Telomerase | Polyamides | Analysis | Gas transport | Membranes | Carbon dioxide | Permeation | Polymers | Monomers
Journal Article
Journal of membrane science, ISSN 0376-7388, 12/2014, Volume 472, pp. 55 - 66
This study describes a method using mass spectrometry (MS) to quantify the gas barrier properties of different classes of ionomer membranes and the base film used in radiation grafted membranes for polymer electrolyte fuel cells... 
Gas barrier properties | Radiation grafting | Gas permeability | Proton exchange membrane | Mechanism of gas transport | Engineering | Physical Sciences | Engineering, Chemical | Polymer Science | Technology | Science & Technology
Journal Article
Separation and purification technology, ISSN 1383-5866, 11/2019, Volume 227, p. 115713
Journal Article