EFFECT OF POLYMER MATRIX AND METAL SPECIES ON FACILITATED OXYGEN TRANSPORT IN METALLOPORPHYRIN (OXYGEN CARRIER) FIXED MEMBRANES.

Manshi Ohyanagi, Hiroyuki Nishide, Koichi Suenaga, Eishun Tsuchida

Research output: Contribution to journalArticle

28 Citations (Scopus)

Abstract

Facilitated transport of molecular oxygen in membranes (poly(dimethyl siloxane), poly(butyl methacrylate), and poly(methyl methacrylate)) containing cobalt(II) or iron(II) alpha , alpha prime , alpha double prime , alpha prime double prime -meso-tetrakis (o-pivalamidophenyl)porphyrin as a fixed carrier of oxygen is studied by the combination of oxygen permeability in the membranes and oxygen-binding ability to the metalloporphyrin. The facilitation of oxygen transport is remarkable for the lower upstream pressure, which corresponds to a dual-mode transport model. The facilitation is more enhanced in the polymer matrix with the lower oxygen solubility (according to Henry's law). Although the oxygen-binding affinity of the iron porphyrin is larger than that of the cobalt porphyrin, the facilitation is lower because of its smaller oxygen-binding kinetic constant.

Original languageEnglish
Pages (from-to)1590-1594
Number of pages5
JournalMacromolecules
Volume21
Issue number6
Publication statusPublished - 1988 Jun

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Metalloporphyrins
Polymer matrix
Metals
Oxygen
Membranes
Porphyrins
Cobalt
Iron
Siloxanes
Molecular oxygen
Polymethyl Methacrylate
Polymethyl methacrylates
Solubility
Kinetics

ASJC Scopus subject areas

  • Materials Chemistry

Cite this

EFFECT OF POLYMER MATRIX AND METAL SPECIES ON FACILITATED OXYGEN TRANSPORT IN METALLOPORPHYRIN (OXYGEN CARRIER) FIXED MEMBRANES. / Ohyanagi, Manshi; Nishide, Hiroyuki; Suenaga, Koichi; Tsuchida, Eishun.

In: Macromolecules, Vol. 21, No. 6, 06.1988, p. 1590-1594.

Research output: Contribution to journalArticle

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