A lipophilic acyclic polyether dicarboxylic acid as Pb2+ carrier in polymer inclusion and bulk liquid membranes

Sang Chul Lee, John D. Lamb, Moon Hwan Cho, Chang Hwan Rhee, Jong Seung Kim

Research output: Contribution to journalArticle

21 Citations (Scopus)

Abstract

An acyclic polyether dicarboxylic acid which contains n-tetradecyl alkyl substituents at the α-position of the carboxylic acid side-arm unit was prepared by the reaction of bisphenol and 2-bromoalkanoic acid in the presence of NaH as base with quantitative yields. This ligand was incorporated into chloroform bulk liquid membranes and into polymer inclusion membranes (PIMs) composed of cellulose triacetate as support and o- nitrophenyl octyl ether as plasticizer. Selective transport of Pb2+ was observed over transition metal ions in bulk liquid membranes. The PIM showed excellent stability and durability, with very high transport of Pb2+ from an acetate buffer source phase.

Original languageEnglish
Pages (from-to)767-778
Number of pages12
JournalSeparation Science and Technology
Volume35
Issue number5
DOIs
Publication statusPublished - 2000 Jan 1
Externally publishedYes

Fingerprint

Dicarboxylic Acids
Liquid membranes
Polyethers
Polymers
Membranes
Plasticizers
Acids
Chloroform
Chlorine compounds
Carboxylic Acids
Carboxylic acids
Ether
Transition metals
Metal ions
Ethers
Cellulose
Buffers
Acetates
Durability
Ligands

Keywords

  • Acyclic polyether dicarboxylic acid
  • Bulk liquid membranes
  • Cellulose triacetate
  • Pb
  • Polymer inclusion membranes

ASJC Scopus subject areas

  • Chemical Engineering(all)
  • Filtration and Separation
  • Process Chemistry and Technology
  • Chemistry(all)

Cite this

A lipophilic acyclic polyether dicarboxylic acid as Pb2+ carrier in polymer inclusion and bulk liquid membranes. / Lee, Sang Chul; Lamb, John D.; Cho, Moon Hwan; Rhee, Chang Hwan; Kim, Jong Seung.

In: Separation Science and Technology, Vol. 35, No. 5, 01.01.2000, p. 767-778.

Research output: Contribution to journalArticle

Lee, Sang Chul ; Lamb, John D. ; Cho, Moon Hwan ; Rhee, Chang Hwan ; Kim, Jong Seung. / A lipophilic acyclic polyether dicarboxylic acid as Pb2+ carrier in polymer inclusion and bulk liquid membranes. In: Separation Science and Technology. 2000 ; Vol. 35, No. 5. pp. 767-778.
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