Chemical activation of AgNO3 to form olefin complexes induced by strong coordinative interactions with phthalate oxygens of poly(ethylene phthalate)

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

doi:10.1021/ie051328+

Chemical activation of AgNO₃ to form olefin complexes induced by strong coordinative interactions with phthalate oxygens of poly(ethylene phthalate)

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

Department of Chemical and Biomolecular Engineering

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

12 Citations (Scopus)

Abstract

AgNO₃ is inactive as an olefin complexing agent and is not easily reduced to metallic silver. Poly(ethylene phthalate) (PEP) was used to induce the dissociation of AgNO₃ into free ions, resulting in more active complexation with propylene. The free ion formation is mainly due to the strong interactions of silver ions with phthalate oxygens, as confirmed by Raman spectroscopy and X-ray photoelectron spectroscopy (XPS). Furthermore, increased silver ion complexation with propylene in the electrolyte membrane of PEP/AgNO₃ polymer was confirmed by the improved separation performance of propylene/propane mixtures, compared to a poly(2-ethyl-2- oxazoline) (POZ)/AgNO₃ membrane. In addition, the separation performance for the former remained unchanging for a longer period of time than that for the latter.

Original language	English
Pages (from-to)	4011-4014
Number of pages	4
Journal	Industrial and Engineering Chemistry Research
Volume	45
Issue number	11
DOIs	https://doi.org/10.1021/ie051328+
Publication status	Published - 2006 May 24

All Science Journal Classification (ASJC) codes

Chemistry(all)
Chemical Engineering(all)
Industrial and Manufacturing Engineering

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10.1021/ie051328+

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title = "Chemical activation of AgNO3 to form olefin complexes induced by strong coordinative interactions with phthalate oxygens of poly(ethylene phthalate)",

abstract = "AgNO3 is inactive as an olefin complexing agent and is not easily reduced to metallic silver. Poly(ethylene phthalate) (PEP) was used to induce the dissociation of AgNO3 into free ions, resulting in more active complexation with propylene. The free ion formation is mainly due to the strong interactions of silver ions with phthalate oxygens, as confirmed by Raman spectroscopy and X-ray photoelectron spectroscopy (XPS). Furthermore, increased silver ion complexation with propylene in the electrolyte membrane of PEP/AgNO3 polymer was confirmed by the improved separation performance of propylene/propane mixtures, compared to a poly(2-ethyl-2- oxazoline) (POZ)/AgNO3 membrane. In addition, the separation performance for the former remained unchanging for a longer period of time than that for the latter.",

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Chemical activation of AgNO₃ to form olefin complexes induced by strong coordinative interactions with phthalate oxygens of poly(ethylene phthalate). / Kang, Sang Wook; Kim, Jong Hak; Char, Kookheon; Kang, Yong Soo.

In: Industrial and Engineering Chemistry Research, Vol. 45, No. 11, 24.05.2006, p. 4011-4014.

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

TY - JOUR

T1 - Chemical activation of AgNO3 to form olefin complexes induced by strong coordinative interactions with phthalate oxygens of poly(ethylene phthalate)

AU - Kang, Sang Wook

AU - Kim, Jong Hak

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AU - Kang, Yong Soo

PY - 2006/5/24

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AB - AgNO3 is inactive as an olefin complexing agent and is not easily reduced to metallic silver. Poly(ethylene phthalate) (PEP) was used to induce the dissociation of AgNO3 into free ions, resulting in more active complexation with propylene. The free ion formation is mainly due to the strong interactions of silver ions with phthalate oxygens, as confirmed by Raman spectroscopy and X-ray photoelectron spectroscopy (XPS). Furthermore, increased silver ion complexation with propylene in the electrolyte membrane of PEP/AgNO3 polymer was confirmed by the improved separation performance of propylene/propane mixtures, compared to a poly(2-ethyl-2- oxazoline) (POZ)/AgNO3 membrane. In addition, the separation performance for the former remained unchanging for a longer period of time than that for the latter.

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