Role of polymer matrix in polymer/silver complexes for structure, interactions, and facilitated olefin transport

Jong Hak Kim, Byoung Ryul Min, Jongok Won, Seung Hwan Joo, Hoon Sik Kim, Yong Soo Kang

Research output: Contribution to journalArticle

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Abstract

The role of the polymer matrix in facilitated olefin transport through polymer/silver salt complex membranes was investigated, particularly its influence on the structure and interactions of polymer/silver salt complexes and hence on the interactions of silver ions with olefin molecules. This role was assessed for complexes of silver salts with polymeric ligands containing three different carbonyl groups, specifically, amide, ketone, and ester groups. It was found that the threshold concentration of silver salt for facilitated olefin transport depends on the polymeric ligand and has the following order: amide > ketone > ester. This dependence of the threshold concentration on the polymeric ligand is explained in terms of the differences between the comparative strengths of the interactions of silver ions with the different carbonyl oxygens and that of silver ions with olefin molecules. It is concluded that when the former interaction is stronger than the latter, the threshold concentration for facilitated olefin transport is high, and when the former interaction is weaker than the latter, the threshold concentration for facilitated olefin transport is low. These interactions were characterized experimentally using differential scanning calorimetry, X-ray photoelectron spectroscopy, and FT-IR and Raman spectroscopy.

Original languageEnglish
Pages (from-to)6183-6188
Number of pages6
JournalMacromolecules
Volume36
Issue number16
DOIs
Publication statusPublished - 2003 Aug 12

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Alkenes
Polymer matrix
Silver
Olefins
Polymers
Salts
Ligands
Ions
Ketones
Amides
Esters
Molecules
Raman spectroscopy
Differential scanning calorimetry
Infrared spectroscopy
X ray photoelectron spectroscopy
Oxygen
Membranes

All Science Journal Classification (ASJC) codes

  • Organic Chemistry
  • Polymers and Plastics
  • Inorganic Chemistry
  • Materials Chemistry

Cite this

Kim, Jong Hak ; Min, Byoung Ryul ; Won, Jongok ; Joo, Seung Hwan ; Kim, Hoon Sik ; Kang, Yong Soo. / Role of polymer matrix in polymer/silver complexes for structure, interactions, and facilitated olefin transport. In: Macromolecules. 2003 ; Vol. 36, No. 16. pp. 6183-6188.
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Role of polymer matrix in polymer/silver complexes for structure, interactions, and facilitated olefin transport. / Kim, Jong Hak; Min, Byoung Ryul; Won, Jongok; Joo, Seung Hwan; Kim, Hoon Sik; Kang, Yong Soo.

In: Macromolecules, Vol. 36, No. 16, 12.08.2003, p. 6183-6188.

Research output: Contribution to journalArticle

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AU - Kim, Hoon Sik

AU - Kang, Yong Soo

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