Long-term separation performance of phthalate polymer/silver salt complex membranes for olefin/paraffin separation

Wook Kang Sang, Hak Kim Jong, Kookheon Char, Soo Kang Yong

Research output: Contribution to journalArticle

11 Citations (Scopus)


(Graph Presented) PTDP is coordinated to the aliphatic carbonyl oxygen, as well as to the phthalate oxygens [phthalate oxygen : single carbonyl = 21: 38%], although the interaction of the silver ions with the latter is approximately twice as strong as that with the former. Thus, the weaker interaction between PTDP and the silver ions causes the silver ions to be readily reduced to silver metal, resulting in the loss of carrier activity for olefins and, consequently, poor long-term stability.

Original languageEnglish
Pages (from-to)162-166
Number of pages5
JournalMacromolecular Research
Issue number2
Publication statusPublished - 2005 Apr 1


All Science Journal Classification (ASJC) codes

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

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