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

Research output: Contribution to journalArticle

8 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 languageEnglish
Pages (from-to)160-164
Number of pages5
JournalMacromolecular Research
Volume22
Issue number2
DOIs
Publication statusPublished - 2014 Feb 1

Fingerprint

Gas permeability
Graft copolymers
Polyvinyl Chloride
Polyvinyl chlorides
Methacrylates
Vapors
Membranes
Vinyl Chloride
Atom transfer radical polymerization
Hexanes
Carbon Monoxide
Acetone
Hexane
X ray scattering
Methanol
Nanostructures
Transmission electron microscopy

All Science Journal Classification (ASJC) codes

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

Cite this

Ahn, Sung Hoon ; Kim, Sang Jin ; Roh, Dong Kyu ; Lee, Hyung Keun ; Jung, Bumsuk ; Kim, Jong Hak. / Controlling gas permeability of a graft copolymer membrane using solvent vapor treatment. In: Macromolecular Research. 2014 ; Vol. 22, No. 2. pp. 160-164.
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Controlling gas permeability of a graft copolymer membrane using solvent vapor treatment. / Ahn, Sung Hoon; Kim, Sang Jin; Roh, Dong Kyu; Lee, Hyung Keun; Jung, Bumsuk; Kim, Jong Hak.

In: Macromolecular Research, Vol. 22, No. 2, 01.02.2014, p. 160-164.

Research output: Contribution to journalArticle

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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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