Characterization and Gas Permeation Properties of Synthesized Polyurethane-Polydimethylsiloxane / Polyamide 12-b-Polytetramethylene Glycol Blend Membranes

Eshagh Vakili; Mohammad Ali Semsarzadeh; Behnam Ghalei; Morteza Khoshbin; Hadi Nasiri

doi:10.1007/s12633-015-9312-9

Characterization and Gas Permeation Properties of Synthesized Polyurethane-Polydimethylsiloxane / Polyamide 12-b-Polytetramethylene Glycol Blend Membranes

Eshagh Vakili
, Mohammad Ali Semsarzadeh
, Behnam Ghalei
, Morteza Khoshbin
, Hadi Nasiri

Research output: Contribution to journal › Article › peer-review

24 Scopus citations

Abstract

Blend membranes of synthesized polyurethane (PU) based on toluene diisocyanate (TDI), polydimethylsiloxane (PDMS) and polytetramethylene glycol (PTMG) with polyamide 12-b- polytetramethylene glycol (PA12-b-PTMG) were prepared by a solution casting technique. The heterogeneous microstructures of the blend membranes (PU /PA12-b-PTMG) were characterized by Fourier transform infrared spectroscopy (FT-IR), differential scanning calorimetry (DSC) and scanning electron microscopy (SEM). Gas transport properties were determined for O₂, N₂, CH₄, and CO₂ gases and the obtained permeabilities were correlated with polymer properties and morphology of the membranes. Comparison of the results with that of the pure PU membrane indicates that the blend membranes had higher permeability to CO₂, but lower permeability to O₂, N₂ and CH₄ gases, and, therefore, had higher values of CO₂/N₂ and CO₂/CH₄ ideal gas pair selectivities. The blend membrane with 20 % (wt) PA12-b-PTMG showed the highest CO₂ permeability (≈105 Barrer) compared to the PU and other blend membranes. In the blend membranes with 5–20 % (wt) PA12-b-PTMG contents an enhancement of CO₂/CH₄ (≈10) and CO₂/N ₂ (≈52) selectivities was observed. The experimental permeabilities of the blend membranes were compared with the calculated permeabilities based on a modified additive logarithmic model.

Original language	English (US)
Pages (from-to)	75-85
Number of pages	11
Journal	Silicon
Volume	8
Issue number	1
DOIs	https://doi.org/10.1007/s12633-015-9312-9
State	Published - Jan 1 2016
Externally published	Yes

All Science Journal Classification (ASJC) codes

Electronic, Optical and Magnetic Materials

Keywords

Gas separation
Membrane
Polyamide-12-b-PTMG
Polyurethane

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10.1007/s12633-015-9312-9

Cite this

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title = "Characterization and Gas Permeation Properties of Synthesized Polyurethane-Polydimethylsiloxane / Polyamide 12-b-Polytetramethylene Glycol Blend Membranes",

abstract = "Blend membranes of synthesized polyurethane (PU) based on toluene diisocyanate (TDI), polydimethylsiloxane (PDMS) and polytetramethylene glycol (PTMG) with polyamide 12-b- polytetramethylene glycol (PA12-b-PTMG) were prepared by a solution casting technique. The heterogeneous microstructures of the blend membranes (PU /PA12-b-PTMG) were characterized by Fourier transform infrared spectroscopy (FT-IR), differential scanning calorimetry (DSC) and scanning electron microscopy (SEM). Gas transport properties were determined for O2, N2, CH4, and CO2 gases and the obtained permeabilities were correlated with polymer properties and morphology of the membranes. Comparison of the results with that of the pure PU membrane indicates that the blend membranes had higher permeability to CO2, but lower permeability to O2, N2 and CH4 gases, and, therefore, had higher values of CO2/N2 and CO2/CH4 ideal gas pair selectivities. The blend membrane with 20 \% (wt) PA12-b-PTMG showed the highest CO2 permeability (≈105 Barrer) compared to the PU and other blend membranes. In the blend membranes with 5–20 \% (wt) PA12-b-PTMG contents an enhancement of CO2/CH4 (≈10) and CO2/N 2 (≈52) selectivities was observed. The experimental permeabilities of the blend membranes were compared with the calculated permeabilities based on a modified additive logarithmic model.",

keywords = "Gas separation, Membrane, Polyamide-12-b-PTMG, Polyurethane",

author = "Eshagh Vakili and Semsarzadeh, \{Mohammad Ali\} and Behnam Ghalei and Morteza Khoshbin and Hadi Nasiri",

note = "Publisher Copyright: {\textcopyright} 2015, Springer Science+Business Media Dordrecht.",

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doi = "10.1007/s12633-015-9312-9",

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T1 - Characterization and Gas Permeation Properties of Synthesized Polyurethane-Polydimethylsiloxane / Polyamide 12-b-Polytetramethylene Glycol Blend Membranes

AU - Vakili, Eshagh

AU - Semsarzadeh, Mohammad Ali

AU - Ghalei, Behnam

AU - Khoshbin, Morteza

AU - Nasiri, Hadi

PY - 2016/1/1

Y1 - 2016/1/1

N2 - Blend membranes of synthesized polyurethane (PU) based on toluene diisocyanate (TDI), polydimethylsiloxane (PDMS) and polytetramethylene glycol (PTMG) with polyamide 12-b- polytetramethylene glycol (PA12-b-PTMG) were prepared by a solution casting technique. The heterogeneous microstructures of the blend membranes (PU /PA12-b-PTMG) were characterized by Fourier transform infrared spectroscopy (FT-IR), differential scanning calorimetry (DSC) and scanning electron microscopy (SEM). Gas transport properties were determined for O2, N2, CH4, and CO2 gases and the obtained permeabilities were correlated with polymer properties and morphology of the membranes. Comparison of the results with that of the pure PU membrane indicates that the blend membranes had higher permeability to CO2, but lower permeability to O2, N2 and CH4 gases, and, therefore, had higher values of CO2/N2 and CO2/CH4 ideal gas pair selectivities. The blend membrane with 20 % (wt) PA12-b-PTMG showed the highest CO2 permeability (≈105 Barrer) compared to the PU and other blend membranes. In the blend membranes with 5–20 % (wt) PA12-b-PTMG contents an enhancement of CO2/CH4 (≈10) and CO2/N 2 (≈52) selectivities was observed. The experimental permeabilities of the blend membranes were compared with the calculated permeabilities based on a modified additive logarithmic model.

AB - Blend membranes of synthesized polyurethane (PU) based on toluene diisocyanate (TDI), polydimethylsiloxane (PDMS) and polytetramethylene glycol (PTMG) with polyamide 12-b- polytetramethylene glycol (PA12-b-PTMG) were prepared by a solution casting technique. The heterogeneous microstructures of the blend membranes (PU /PA12-b-PTMG) were characterized by Fourier transform infrared spectroscopy (FT-IR), differential scanning calorimetry (DSC) and scanning electron microscopy (SEM). Gas transport properties were determined for O2, N2, CH4, and CO2 gases and the obtained permeabilities were correlated with polymer properties and morphology of the membranes. Comparison of the results with that of the pure PU membrane indicates that the blend membranes had higher permeability to CO2, but lower permeability to O2, N2 and CH4 gases, and, therefore, had higher values of CO2/N2 and CO2/CH4 ideal gas pair selectivities. The blend membrane with 20 % (wt) PA12-b-PTMG showed the highest CO2 permeability (≈105 Barrer) compared to the PU and other blend membranes. In the blend membranes with 5–20 % (wt) PA12-b-PTMG contents an enhancement of CO2/CH4 (≈10) and CO2/N 2 (≈52) selectivities was observed. The experimental permeabilities of the blend membranes were compared with the calculated permeabilities based on a modified additive logarithmic model.

KW - Gas separation

KW - Membrane

KW - Polyamide-12-b-PTMG

KW - Polyurethane

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JO - Silicon

JF - Silicon

IS - 1

ER -

Characterization and Gas Permeation Properties of Synthesized Polyurethane-Polydimethylsiloxane / Polyamide 12-b-Polytetramethylene Glycol Blend Membranes

Abstract

All Science Journal Classification (ASJC) codes

Keywords

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