Copolymers of 1-(3,3,3-Trifluoropropyldimethylsilyl)-1-Propyne with 1-Trimethylsilyl-1-Propyne as Membrane Materials for Separation of Gas Mixtures Containing Hydrocarbons

2018 ◽  
Vol 58 (13) ◽  
pp. 1123-1128
Author(s):  
A. A. Kossov ◽  
E. G. Litvinova ◽  
A. A. Ezhov ◽  
V. S. Khotimskii ◽  
S. M. Shishatskii ◽  
...  
Keyword(s):  
Gas Mixtures ◽  
Membrane Materials ◽  
Separation Of Gas Mixtures

scholarly journals Amphiphilic Poly(dimethylsiloxane-ethylene-propylene oxide)-polyisocyanurate Cross-Linked Block Copolymers in a Membrane Gas Separation

Membranes ◽  
2021 ◽  
Vol 11 (2) ◽  
pp. 94
Author(s):  
Ilsiya M. Davletbaeva ◽  
Ilgiz M. Dzhabbarov ◽  
Askhat M. Gumerov ◽  
Ilnaz I. Zaripov ◽  
Ruslan S. Davletbaev ◽  
...  
Keyword(s):  
Block Copolymers ◽  
Propylene Oxide ◽  
Microphase Separation ◽  
Gas Mixtures ◽  
Toluene Diisocyanate ◽  
Polymerization Process ◽  
Ethylene Propylene ◽  
Membrane Materials ◽  
The Core ◽  
Separation Of Gas Mixtures

Amphiphilic poly(dimethylsiloxane-ethylene-propylene oxide)-polyisocyanurate cross-linked block copolymers based on triblock copolymers of propylene and ethylene oxides with terminal potassium-alcoholate groups (PPEG), octamethylcyclotetrasiloxane (D4) and 2,4-toluene diisocyanate (TDI) were synthesized and investigated. In the first stage of the polymerization process, a multiblock copolymer (MBC) was previously synthesized by polyaddition of D4 to PPEG. The usage of the amphiphilic branched silica derivatives associated with oligomeric medium (ASiP) leads to the structuring of block copolymers via the transetherification reaction of the terminal silanol groups of MBC with ASiP. The molar ratio of PPEG, D4, and TDI, where the polymer chains are packed in the “core-shell” supramolecular structure with microphase separation of the polyoxyethylene, polyoxypropylene and polydimethylsiloxane segments as the shell, was established. Polyisocyanurates build the “core” of the described macromolecular structure. The obtained polymers were studied as membrane materials for the separation of gas mixtures CO2/CH4 and CO2/N2. It was found that obtained polymers are promising as highly selective and productive membrane materials for the separation of gas mixtures containing CO2, CH4 and N2.

New membrane materials based on crosslinked poly(ethylene glycols) and ionic liquids for separation of gas mixtures containing CO2

2014 ◽  
Vol 56 (6) ◽  
pp. 900-908 ◽  
Author(s):  
E. M. Erdni-Goryaev ◽  
A. Yu. Alent’ev ◽  
A. S. Shaplov ◽  
D. O. Ponkratov ◽  
E. I. Lozinskaya
Keyword(s):  
Ionic Liquids ◽  
Gas Mixtures ◽  
Membrane Materials ◽  
Ethylene Glycols ◽  
Separation Of Gas Mixtures ◽  
Poly Ethylene

scholarly journals Separation of gas mixtures by supported complexes

1986 ◽  
Author(s):  
D.A. Nelson ◽  
M.A. Lilga ◽  
R.T. Hallen ◽  
S.E. Lyke
Keyword(s):  
Gas Mixtures ◽  
Separation Of Gas Mixtures

Separation of gas mixtures in unsteady-state conditions

1991 ◽  
Vol 55 (3) ◽  
pp. 283-297 ◽  
Author(s):  
I.N. Beckman ◽  
A.B. Shelekhin ◽  
V.V. Teplyakov
Keyword(s):  
Gas Mixtures ◽  
Unsteady State ◽  
Separation Of Gas Mixtures

Effect of longitudinal diffusion on separation of gas mixtures using semipermeable membranes

1986 ◽  
Vol 51 (6) ◽  
pp. 1393-1399
Author(s):  
E. B. Gruzdev ◽  
V. K. Ezhov ◽  
N. I. Laguntsov ◽  
B. I. Nikolaev
Keyword(s):  
Gas Mixtures ◽  
Longitudinal Diffusion ◽  
Semipermeable Membranes ◽  
Separation Of Gas Mixtures
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