Synthesis and gas permeation properties of amphiphilic graft copolymer membranes

Sung Hoon Ahn, Jin Ah Seo, Jong Hak Kim, Youngdeok Ko, Seong Uk Hong

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)

Abstract

Amphiphilic graft copolymers comprising poly(vinyl chloride) (PVC) main chains and poly(oxyethylene methacrylate) (POEM) side chains, i.e. PVC-g-POEM, were synthesized via atom transfer radical polymerization (ATRP) using direct initiation of the secondary chlorines of PVC. Successful synthesis of the graft copolymer was confirmed using 1HNMRand FT-IR spectroscopy.TEMand DSC analysis revealed the welldefined microphase-separated structure of the graft copolymer into hydrophobic PVC and hydrophilic POEM domains. All the membranes exhibited amorphous structures and the intersegmental d-spacing were increased with the grafting degree, as characterized by XRD analysis. Permeation experimental results using a CO2/N2 (50/50) mixture indicated that as an amount of POEM in a copolymer increased, CO2 permeability increased dramatically without the sacrifice of selectivity. For example, the CO2 permeability [1×10-8 cm3(STP) cm/cm2 scmHg (100 Barrer)] of PVC-g-POEM with 70 wt% of POEM at 25 °C was about 70 times higher than that of the pure PVC membrane [1.45×10-10cm3(STP) cm/cm2 scmHg (1.45 Barrer)].

Original languageEnglish
Title of host publication20th Annual Meeting of the North American Membrane Society and 11th International Conference on Inorganic Membranes 2010, NAMS/ICIM 2010
Pages291-296
Number of pages6
DOIs
Publication statusPublished - 2010
Event20th Annual Meeting of the North American Membrane Society 2010, NAMS 2010 and 11th International Conference on Inorganic Membranes 2010, ICIM 2010 - Washington, DC, United States
Duration: 2010 Jul 172010 Jul 22

Publication series

Name20th Annual Meeting of the North American Membrane Society and 11th International Conference on Inorganic Membranes 2010, NAMS/ICIM 2010

Other

Other20th Annual Meeting of the North American Membrane Society 2010, NAMS 2010 and 11th International Conference on Inorganic Membranes 2010, ICIM 2010
CountryUnited States
CityWashington, DC
Period10/7/1710/7/22

All Science Journal Classification (ASJC) codes

  • Filtration and Separation

Fingerprint Dive into the research topics of 'Synthesis and gas permeation properties of amphiphilic graft copolymer membranes'. Together they form a unique fingerprint.

  • Cite this

    Ahn, S. H., Seo, J. A., Kim, J. H., Ko, Y., & Hong, S. U. (2010). Synthesis and gas permeation properties of amphiphilic graft copolymer membranes. In 20th Annual Meeting of the North American Membrane Society and 11th International Conference on Inorganic Membranes 2010, NAMS/ICIM 2010 (pp. 291-296). (20th Annual Meeting of the North American Membrane Society and 11th International Conference on Inorganic Membranes 2010, NAMS/ICIM 2010). https://doi.org/10.1016/j.memsci.2009.08.037