Controlling gas permeability of a graft copolymer membrane using solvent vapor treatment

Sung Hoon Ahn; Sang Jin Kim; Dong Kyu Roh; Hyung Keun Lee; Bumsuk Jung; Jong Hak Kim

doi:10.1007/s13233-014-2014-0

Controlling gas permeability of a graft copolymer membrane using solvent vapor treatment

Sung Hoon Ahn, Sang Jin Kim, Dong Kyu Roh, Hyung Keun Lee, Bumsuk Jung, Jong Hak Kim

Department of Chemical and Biomolecular Engineering

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

10 Citations (Scopus)

Abstract

A strategy is reported that combines assembled nanostructures and solvent vapor treatment to manipulate the gas permeability of graft copolymer membranes. The VC-g-POEM graft copolymer consists of poly(vinyl chloride) (PVC) main chains and poly(oxyethylene methacrylate) (POEM) side chains, and was synthesized via atom transfer radical polymerization (ATRP). When the PVC-g-POEM membrane was treated with a good solvent vapor such as acetone, the CO ₂ permeability increased from 107 to 145 Barrer (1 Barrer=10 ^-10 cm³(STP)·cm·cm ^-2·s^-1·cmHg^-1), which is approximately a 36% improvement compared to an untreated sample. However, the permeability was significantly reduced from 107 to 45 and 38 Barrer upon being treated with a selective (methanol) or poor solvent (hexane). The structure-property relation of the solvent-vapor-treated membranes was investigated using transmission electron microscopy (TEM) and small-angle X-ray scattering (SAXS) analysis. [Figure not available: see fulltext.]

Original language	English
Pages (from-to)	160-164
Number of pages	5
Journal	Macromolecular Research
Volume	22
Issue number	2
DOIs	https://doi.org/10.1007/s13233-014-2014-0
Publication status	Published - 2014 Feb

All Science Journal Classification (ASJC) codes

Chemical Engineering(all)
Organic Chemistry
Polymers and Plastics
Materials Chemistry

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10.1007/s13233-014-2014-0

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title = "Controlling gas permeability of a graft copolymer membrane using solvent vapor treatment",

abstract = "A strategy is reported that combines assembled nanostructures and solvent vapor treatment to manipulate the gas permeability of graft copolymer membranes. The VC-g-POEM graft copolymer consists of poly(vinyl chloride) (PVC) main chains and poly(oxyethylene methacrylate) (POEM) side chains, and was synthesized via atom transfer radical polymerization (ATRP). When the PVC-g-POEM membrane was treated with a good solvent vapor such as acetone, the CO 2 permeability increased from 107 to 145 Barrer (1 Barrer=10 -10 cm3(STP)·cm·cm -2·s-1·cmHg-1), which is approximately a 36% improvement compared to an untreated sample. However, the permeability was significantly reduced from 107 to 45 and 38 Barrer upon being treated with a selective (methanol) or poor solvent (hexane). The structure-property relation of the solvent-vapor-treated membranes was investigated using transmission electron microscopy (TEM) and small-angle X-ray scattering (SAXS) analysis. [Figure not available: see fulltext.]",

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AU - Ahn, Sung Hoon

AU - Kim, Sang Jin

AU - Roh, Dong Kyu

AU - Lee, Hyung Keun

AU - Jung, Bumsuk

AU - Kim, Jong Hak

PY - 2014/2

Y1 - 2014/2

N2 - A strategy is reported that combines assembled nanostructures and solvent vapor treatment to manipulate the gas permeability of graft copolymer membranes. The VC-g-POEM graft copolymer consists of poly(vinyl chloride) (PVC) main chains and poly(oxyethylene methacrylate) (POEM) side chains, and was synthesized via atom transfer radical polymerization (ATRP). When the PVC-g-POEM membrane was treated with a good solvent vapor such as acetone, the CO 2 permeability increased from 107 to 145 Barrer (1 Barrer=10 -10 cm3(STP)·cm·cm -2·s-1·cmHg-1), which is approximately a 36% improvement compared to an untreated sample. However, the permeability was significantly reduced from 107 to 45 and 38 Barrer upon being treated with a selective (methanol) or poor solvent (hexane). The structure-property relation of the solvent-vapor-treated membranes was investigated using transmission electron microscopy (TEM) and small-angle X-ray scattering (SAXS) analysis. [Figure not available: see fulltext.]

AB - A strategy is reported that combines assembled nanostructures and solvent vapor treatment to manipulate the gas permeability of graft copolymer membranes. The VC-g-POEM graft copolymer consists of poly(vinyl chloride) (PVC) main chains and poly(oxyethylene methacrylate) (POEM) side chains, and was synthesized via atom transfer radical polymerization (ATRP). When the PVC-g-POEM membrane was treated with a good solvent vapor such as acetone, the CO 2 permeability increased from 107 to 145 Barrer (1 Barrer=10 -10 cm3(STP)·cm·cm -2·s-1·cmHg-1), which is approximately a 36% improvement compared to an untreated sample. However, the permeability was significantly reduced from 107 to 45 and 38 Barrer upon being treated with a selective (methanol) or poor solvent (hexane). The structure-property relation of the solvent-vapor-treated membranes was investigated using transmission electron microscopy (TEM) and small-angle X-ray scattering (SAXS) analysis. [Figure not available: see fulltext.]

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JO - Macromolecular Research

JF - Macromolecular Research

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Controlling gas permeability of a graft copolymer membrane using solvent vapor treatment

Abstract

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