Gas and water liquid transport through nanoporous block copolymer membranes

William A. Phillip; Javid Rzayev; Marc A. Hillmyer; E. L. Cussler

doi:10.1016/j.memsci.2006.09.028

Gas and water liquid transport through nanoporous block copolymer membranes

William A. Phillip, Javid Rzayev, Marc A. Hillmyer, E. L. Cussler

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

111 Scopus citations

Abstract

ABC triblock terpolymers containing polylactide, poly(dimethylacrylamide) and polystyrene, which can self-assemble as aligned cylinders, are etched to give nanoscopic pores. The diffusion of gases through these pores is quantitatively consistent with Knudsen diffusion. The flow of water liquid in the pores is consistent with the Hagen-Poiseuille law. If these polymers can be produced as commercial ultrafiltration membranes, they should give a larger hydraulic permeability and a sharper molecular weight cut-off.

Original language	English (US)
Pages (from-to)	144-152
Number of pages	9
Journal	Journal of Membrane Science
Volume	286
Issue number	1-2
DOIs	https://doi.org/10.1016/j.memsci.2006.09.028
State	Published - Dec 15 2006

Bibliographical note

Funding Information:
The authors benefited from suggestions of J.P. DeRocher and G.D. Moggridge of Cambridge University. This work was largely supported by the Air Force Office of Scientific Research (grant F49620-01-1-0333). Other support came from the Department of Energy (grant DE-FG-02ER63509), the Petroleum Research Fund (grant 39083-AC9), and the Initiative for Renewable Energy and the Environment at the University of Minnesota.

Keywords

Block copolymers
Gas diffusion
Nanopore

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10.1016/j.memsci.2006.09.028

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title = "Gas and water liquid transport through nanoporous block copolymer membranes",

abstract = "ABC triblock terpolymers containing polylactide, poly(dimethylacrylamide) and polystyrene, which can self-assemble as aligned cylinders, are etched to give nanoscopic pores. The diffusion of gases through these pores is quantitatively consistent with Knudsen diffusion. The flow of water liquid in the pores is consistent with the Hagen-Poiseuille law. If these polymers can be produced as commercial ultrafiltration membranes, they should give a larger hydraulic permeability and a sharper molecular weight cut-off.",

keywords = "Block copolymers, Gas diffusion, Nanopore",

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note = "Funding Information: The authors benefited from suggestions of J.P. DeRocher and G.D. Moggridge of Cambridge University. This work was largely supported by the Air Force Office of Scientific Research (grant F49620-01-1-0333). Other support came from the Department of Energy (grant DE-FG-02ER63509), the Petroleum Research Fund (grant 39083-AC9), and the Initiative for Renewable Energy and the Environment at the University of Minnesota.",

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AU - Phillip, William A.

AU - Rzayev, Javid

AU - Hillmyer, Marc A.

AU - Cussler, E. L.

N1 - Funding Information: The authors benefited from suggestions of J.P. DeRocher and G.D. Moggridge of Cambridge University. This work was largely supported by the Air Force Office of Scientific Research (grant F49620-01-1-0333). Other support came from the Department of Energy (grant DE-FG-02ER63509), the Petroleum Research Fund (grant 39083-AC9), and the Initiative for Renewable Energy and the Environment at the University of Minnesota.

PY - 2006/12/15

Y1 - 2006/12/15

N2 - ABC triblock terpolymers containing polylactide, poly(dimethylacrylamide) and polystyrene, which can self-assemble as aligned cylinders, are etched to give nanoscopic pores. The diffusion of gases through these pores is quantitatively consistent with Knudsen diffusion. The flow of water liquid in the pores is consistent with the Hagen-Poiseuille law. If these polymers can be produced as commercial ultrafiltration membranes, they should give a larger hydraulic permeability and a sharper molecular weight cut-off.

AB - ABC triblock terpolymers containing polylactide, poly(dimethylacrylamide) and polystyrene, which can self-assemble as aligned cylinders, are etched to give nanoscopic pores. The diffusion of gases through these pores is quantitatively consistent with Knudsen diffusion. The flow of water liquid in the pores is consistent with the Hagen-Poiseuille law. If these polymers can be produced as commercial ultrafiltration membranes, they should give a larger hydraulic permeability and a sharper molecular weight cut-off.

KW - Block copolymers

KW - Gas diffusion

KW - Nanopore

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ER -

Gas and water liquid transport through nanoporous block copolymer membranes

Abstract

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Keywords

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