Enhanced stability and facilitation in the oxygen transport through cobalt porphyrin polymer membranes

Hiroyuki Nishide, Hiroyoshi Kawakami, Takayuki Suzuki, Yasutaka Azechi, Eishun Tsuchida

Research output: Contribution to journalArticle

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Abstract

The authors describe herein the polymer-bound cobalt porphyrin derivatives with large oxygen-binding kinetic constants and with extraordinarily prolonged lifetimes through which oxygen permeates with high selectivity. They have recently reported measurements of facilitated oxygen transport in dry (or solvent-free) polymer membranes containing a cobalt porphyrin and a cobalt-Schiff base chelate as a fixed carrier which sorbs oxygen selectively and reversibly. They intended here to enhance the efficiency of this facilitated transport and to prolong the lifetime of the metal chelate as an oxygen carrier. It is described in this paper the effects of polymer-bound CoP structure on the lifetime of oxygen-binding ability, the oxygen-binding kinetic constants, and the facilitated oxygen transport in the membrane and discuss the oxygen-transport mechanism by a dual-mode transport model.

Original languageEnglish
Pages (from-to)3714-3716
Number of pages3
JournalMacromolecules
Volume23
Issue number15
Publication statusPublished - 1990 Jan 1

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Porphyrins
Cobalt
Polymers
Oxygen
Membranes
Kinetics
Schiff Bases
Metals
Derivatives

ASJC Scopus subject areas

  • Materials Chemistry

Cite this

Nishide, H., Kawakami, H., Suzuki, T., Azechi, Y., & Tsuchida, E. (1990). Enhanced stability and facilitation in the oxygen transport through cobalt porphyrin polymer membranes. Macromolecules, 23(15), 3714-3716.

Enhanced stability and facilitation in the oxygen transport through cobalt porphyrin polymer membranes. / Nishide, Hiroyuki; Kawakami, Hiroyoshi; Suzuki, Takayuki; Azechi, Yasutaka; Tsuchida, Eishun.

In: Macromolecules, Vol. 23, No. 15, 01.01.1990, p. 3714-3716.

Research output: Contribution to journalArticle

Nishide, H, Kawakami, H, Suzuki, T, Azechi, Y & Tsuchida, E 1990, 'Enhanced stability and facilitation in the oxygen transport through cobalt porphyrin polymer membranes', Macromolecules, vol. 23, no. 15, pp. 3714-3716.
Nishide, Hiroyuki ; Kawakami, Hiroyoshi ; Suzuki, Takayuki ; Azechi, Yasutaka ; Tsuchida, Eishun. / Enhanced stability and facilitation in the oxygen transport through cobalt porphyrin polymer membranes. In: Macromolecules. 1990 ; Vol. 23, No. 15. pp. 3714-3716.
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